At 3.79 million square miles (9.83 million km2) and with over 310 million people, the United States is the third or fourth largest country by total area, and the third largest both by land area and population. It is one of the world's most ethnically diverse and multicultural nations, the product of large-scale immigration from many countries.[6] The U.S. economy is the world's largest national economy, with an estimated 2010 GDP of $14.780 trillion (23% of nominal global GDP and 20% of global GDP at purchasing power parity).[3][7]
Indigenous peoples of Asian origin have inhabited what is now the mainland United States for many thousands of years. This Native American population was greatly reduced by disease and warfare after European contact. The United States was founded by thirteen British colonies located along the Atlantic seaboard. On July 4, 1776, they issued the Declaration of Independence, which proclaimed their right to self-determination and their establishment of a cooperative union. The rebellious states defeated the British Empire in the American Revolution, the first successful colonial war of independence.[8] The current United States Constitution was adopted on September 17, 1787; its ratification, the following year, made the states part of a single federal republic with a strong federal government. The Bill of Rights, comprising ten constitutional amendments guaranteeing many fundamental civil rights and freedoms, was ratified in 1791.
Through the 19th century, the United States displaced native tribes, acquired land from France, Spain, the United Kingdom, Mexico, and Russia, and annexed the Republic of Texas and the Republic of Hawaii. Disputes between the agrarian South and industrial North over the expansion of the institution of slavery and states' rights provoked the Civil War of the 1860s. The North's victory prevented a permanent split of the country and led to the end of legal slavery in the United States. By the 1870s, its national economy was the world's largest.[9] The Spanish–American War and World War I confirmed the country's status as a military power. It emerged from World War II as the first country with nuclear weapons and a permanent member of the United Nations Security Council. The end of the Cold War and the dissolution of the Soviet Union left the United States as the sole superpower. The country accounts for 43% of global military spending and is a leading economic, political, and cultural force in the world.[10]
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Etymology
See also: Names for United States citizens
In 1507, German cartographer Martin Waldseemüller produced a world map on which he named the lands of the Western Hemisphere "America" after Italian explorer and cartographer Amerigo Vespucci.[11] The former British colonies first used the country's modern name in the 1776 Declaration of Independence, the "unanimous Declaration of the thirteen united States of America".[12] On November 15, 1777, the Second Continental Congress adopted the Articles of Confederation, which states, "The Stile of this Confederacy shall be 'The United States of America.'" The Franco-American treaties of 1778 used "United States of North America", but from July 11, 1778, "United States of America" was used on the country's bills of exchange, and it has been the official name ever since.[13]The short form "United States" is also standard. Other common forms include the "U.S.", the "USA", and "America". Colloquial names include the "U.S. of A." and, internationally, the "States". "Columbia", a once popular name for the United States, derives from Christopher Columbus; it appears in the name "District of Columbia".
The standard way to refer to a citizen of the United States is as an "American". Although "United States" is the official appositional term, "American" and "U.S." are more commonly used to refer to the country adjectivally ("American values", "U.S. forces"). "American" is rarely used in English to refer to people not connected to the United States.[14]
The phrase "United States" was originally treated as plural—e.g., "the United States are"—including in the Thirteenth Amendment to the United States Constitution, ratified in 1865. It became common to treat it as singular—e.g., "the United States is"—after the end of the Civil War. The singular form is now standard; the plural form is retained in the idiom "these United States".[15]
Geography and environment
Main articles: Geography of the United States, Climate of the United States, and Environment of the United States
The land area of the contiguous United States is approximately 1,900 million acres (7,700,000 km2). Alaska, separated from the contiguous United States by Canada, is the largest state at 365 million acres (1,480,000 km2). Hawaii, occupying an archipelago in the central Pacific, southwest of North America, has just over 4 million acres (16,000 km2).[16] The United States is the world's third or fourth largest nation by total area (land and water), ranking behind Russia and Canada and just above or below China. The ranking varies depending on how two territories disputed by China and India are counted and how the total size of the United States is measured: calculations range from 3,676,486 square miles (9,522,055 km2)[17] to 3,717,813 square miles (9,629,091 km2)[18] to 3,794,101 square miles (9,826,676 km2).[1] Including only land area, the United States is third in size behind Russia and China, just ahead of Canada.[19]
The U.S. ecology is considered "megadiverse": about 17,000 species of vascular plants occur in the contiguous United States and Alaska, and over 1,800 species of flowering plants are found in Hawaii, few of which occur on the mainland.[22] The United States is home to more than 400 mammal, 750 bird, and 500 reptile and amphibian species.[23] About 91,000 insect species have been described.[24] The Endangered Species Act of 1973 protects threatened and endangered species and their habitats, which are monitored by the United States Fish and Wildlife Service. There are fifty-eight national parks and hundreds of other federally managed parks, forests, and wilderness areas.[25] Altogether, the government owns 28.8% of the country's land area.[26] Most of this is protected, though some is leased for oil and gas drilling, mining, logging, or cattle ranching; 2.4% is used for military purposes.[26]
Political divisions
Main article: U.S. state
Further information: Territorial evolution of the United States and United States territorial acquisitions
The United States is a federal union of fifty states. The original thirteen states were the successors of the thirteen colonies that rebelled against British rule. Early in the country's history, three new states were organized on territory separated from the claims of the existing states: Kentucky from Virginia; Tennessee from North Carolina; and Maine from Massachusetts. Most of the other states have been carved from territories obtained through war or purchase by the U.S. government. One set of exceptions comprises Vermont, Texas, and Hawaii: each was an independent republic before joining the union. During the American Civil War, West Virginia broke away from Virginia. The most recent state—Hawaii—achieved statehood on August 21, 1959. The states do not have the right to secede from the union.The states compose the vast bulk of the U.S. land mass; the two other areas considered integral parts of the country are the District of Columbia, the federal district where the capital, Washington, is located; and Palmyra Atoll, an uninhabited but incorporated territory in the Pacific Ocean. The United States also possesses five major overseas territories: Puerto Rico and the United States Virgin Islands in the Caribbean; and American Samoa, Guam, and the Northern Mariana Islands in the Pacific.[27] Those born in the major territories (except for American Samoa) possess U.S. citizenship.[28] American citizens residing in the territories have many of the same rights and responsibilities as citizens residing in the states; however, they are generally exempt from federal income tax, may not vote for president, and have only nonvoting representation in the U.S. Congress.[29]
History
Main article: History of the United States
Native American and European settlement
See also: Native Americans in the United States, European colonization of the Americas, and Thirteen Colonies
The indigenous peoples of the U.S. mainland, including Alaska Natives, are believed to have migrated from Asia, beginning between 12,000 and 40,000 years ago.[30] Some, such as the pre-Columbian Mississippian culture, developed advanced agriculture, grand architecture, and state-level societies. After Europeans began settling the Americas, many millions of indigenous Americans died from epidemics of imported diseases such as smallpox.[31]
In 1674, the Dutch ceded their American territory to England; the province of New Netherland was renamed New York. Many new immigrants, especially to the South, were indentured servants—some two-thirds of all Virginia immigrants between 1630 and 1680.[33] By the turn of the 18th century, African slaves were becoming the primary source of bonded labor. With the 1729 division of the Carolinas and the 1732 colonization of Georgia, the thirteen British colonies that would become the United States of America were established. All had local governments with elections open to most free men, with a growing devotion to the ancient rights of Englishmen and a sense of self-government stimulating support for republicanism. All legalized the African slave trade. With high birth rates, low death rates, and steady immigration, the colonial population grew rapidly. The Christian revivalist movement of the 1730s and 1740s known as the Great Awakening fueled interest in both religion and religious liberty. In the French and Indian War, British forces seized Canada from the French, but the francophone population remained politically isolated from the southern colonies. Excluding the Native Americans (popularly known as "American Indians"), who were being displaced, those thirteen colonies had a population of 2.6 million in 1770, about one-third that of Britain; nearly one in five Americans were black slaves.[34] Though subject to British taxation, the American colonials had no representation in the Parliament of Great Britain.
Independence and expansion
After the British defeat by American forces assisted by the French and Spanish, Great Britain recognized the independence of the United States and the states' sovereignty over American territory west to the Mississippi River. Those wishing to establish a strong national government with powers of taxation organized a constitutional convention in 1787. The United States Constitution was ratified in 1788, and the new republic's first Senate, House of Representatives, and president—George Washington—took office in 1789. The Bill of Rights, forbidding federal restriction of personal freedoms and guaranteeing a range of legal protections, was adopted in 1791.
Attitudes toward slavery were shifting; a clause in the Constitution protected the African slave trade only until 1808. The Northern states abolished slavery between 1780 and 1804, leaving the slave states of the South as defenders of the "peculiar institution". The Second Great Awakening, beginning about 1800, made evangelicalism a force behind various social reform movements, including abolitionism.
Civil War and industrialization
World War I, Great Depression, and World War II
See also: American Expeditionary Forces and Military history of the United States during World War II
Cold War and protest politics
The 1961 Soviet launch of the first manned spaceflight prompted President John F. Kennedy's call for the United States to be first to land "a man on the moon", achieved in 1969. Kennedy also faced a tense nuclear showdown with Soviet forces in Cuba. Meanwhile, the United States experienced sustained economic expansion. A growing civil rights movement, symbolized and led by African Americans such as Rosa Parks, Martin Luther King, Jr., and James Bevel, used nonviolence to confront segregation and discrimination. Following Kennedy's assassination in 1963, the Civil Rights Act of 1964 and Voting Rights Act of 1965 were passed under President Lyndon B. Johnson. Johnson and his successor, Richard Nixon, expanded a proxy war in Southeast Asia into the unsuccessful Vietnam War. A widespread countercultural movement grew, fueled by opposition to the war, black nationalism, and the sexual revolution. Betty Friedan, Gloria Steinem, and others led a new wave of feminism that sought political, social, and economic equality for women.
As a result of the Watergate scandal, in 1974 Nixon became the first U.S. president to resign, to avoid being impeached on charges including obstruction of justice and abuse of power; he was succeeded by Vice President Gerald Ford. The Jimmy Carter administration of the late 1970s was marked by stagflation and the Iran hostage crisis. The election of Ronald Reagan as president in 1980 heralded a rightward shift in American politics, reflected in major changes in taxation and spending priorities. His second term in office brought both the Iran-Contra scandal and significant diplomatic progress with the Soviet Union. The subsequent Soviet collapse ended the Cold War.
Contemporary era
On September 11, 2001, al-Qaeda terrorists struck the World Trade Center in New York City and The Pentagon near Washington, D.C., killing nearly three thousand people. In response, the Bush administration launched the global War on Terror. In October 2001, U.S. forces led an invasion of Afghanistan, removing the Taliban government and al-Qaeda training camps. Taliban insurgents continue to fight a guerrilla war. In 2002, the Bush administration began to press for regime change in Iraq on controversial grounds.[48] Lacking the support of NATO or an explicit UN mandate for military intervention, Bush organized a Coalition of the Willing; coalition forces preemptively invaded Iraq in 2003, removing dictator Saddam Hussein. In 2005, Hurricane Katrina caused severe destruction along much of the Gulf Coast, devastating New Orleans. On November 4, 2008, amid a global economic recession the first African American president, Barack Obama, was elected. In 2010, major health care and financial system reforms were enacted. The Deepwater Horizon oil spill in the Gulf of Mexico that year became the largest peacetime oil disaster in history.[49]
Government, elections, and politics
Main articles: Federal government of the United States, state governments of the United States, and elections in the United States
- Legislative: The bicameral Congress, made up of the Senate and the House of Representatives, makes federal law, declares war, approves treaties, has the power of the purse, and has the power of impeachment, by which it can remove sitting members of the government.
- Executive: The president is the commander-in-chief of the military, can veto legislative bills before they become law, and appoints the members of the Cabinet (subject to Senate approval) and other officers, who administer and enforce federal laws and policies.
- Judicial: The Supreme Court and lower federal courts, whose judges are appointed by the president with Senate approval, interpret laws and overturn those they find unconstitutional.
The state governments are structured in roughly similar fashion; Nebraska uniquely has a unicameral legislature. The governor (chief executive) of each state is directly elected. Some state judges and cabinet officers are appointed by the governors of the respective states, while others are elected by popular vote.
All laws and governmental procedures are subject to judicial review, and any law ruled in violation of the Constitution is voided. The original text of the Constitution establishes the structure and responsibilities of the federal government and its relationship with the individual states. Article One protects the right to the "great writ" of habeas corpus, and Article Three guarantees the right to a jury trial in all criminal cases. Amendments to the Constitution require the approval of three-fourths of the states. The Constitution has been amended twenty-seven times; the first ten amendments, which make up the Bill of Rights, and the Fourteenth Amendment form the central basis of Americans' individual rights.
Parties and ideology
Main articles: Politics of the United States and Political ideologies in the United States
Within American political culture, the Republican Party is considered center-right or "conservative" and the Democratic Party is considered center-left or "liberal". The states of the Northeast and West Coast and some of the Great Lakes states, known as "blue states", are relatively liberal. The "red states" of the South and parts of the Great Plains and Rocky Mountains are relatively conservative.
The winner of the 2008 presidential election, Democrat Barack Obama, is the 44th U.S. president. The 2010 midterm elections saw the Republican Party take control of the House and make gains in the Senate, where the Democrats retain the majority. In the 112th United States Congress, the Senate comprises 51 Democrats, two independents who caucus with the Democrats, and 47 Republicans; the House comprises 242 Republicans and 193 Democrats. There are 29 Republican and 20 Democratic state governors, as well as one independent.
Foreign relations and military
Main articles: Foreign policy of the United States and United States Armed Forces
The United States has a "special relationship" with the United Kingdom[51] and strong ties with Canada, Australia, New Zealand, Japan, South Korea, Israel, and several European countries. It works closely with fellow NATO members on military and security issues and with its neighbors through the Organization of American States and free trade agreements such as the trilateral North American Free Trade Agreement with Canada and Mexico. In 2008, the United States spent a net $25.4 billion on official development assistance, the most in the world. As a share of America's large gross national income (GNI), however, the U.S. contribution of 0.18% ranked last among twenty-two donor states. By contrast, private overseas giving by Americans is relatively generous.[52]
The president holds the title of commander-in-chief of the nation's armed forces and appoints its leaders, the secretary of defense and the Joint Chiefs of Staff. The United States Department of Defense administers the armed forces, including the Army, Navy, Marine Corps, and Air Force. The Coast Guard is run by the Department of Homeland Security in peacetime and the Department of the Navy in time of war. In 2008, the armed forces had 1.4 million personnel on active duty. The Reserves and National Guard brought the total number of troops to 2.3 million. The Department of Defense also employed about 700,000 civilians, not including contractors.[53]
Military service is voluntary, though conscription may occur in wartime through the Selective Service System. American forces can be rapidly deployed by the Air Force's large fleet of transport aircraft, the Navy's eleven active aircraft carriers, and Marine Expeditionary Units at sea with the Navy's Atlantic and Pacific fleets. The military operates 865 bases and facilities abroad,[54] and maintains deployments greater than 100 active duty personnel in 25 foreign countries.[55] The extent of this global military presence has prompted some scholars to describe the United States as maintaining an "empire of bases".[56]
Total U.S. military spending in 2008, more than $600 billion, was over 41% of global military spending and greater than the next fourteen largest national military expenditures combined. The per capita spending of $1,967 was about nine times the world average; at 4% of GDP, the rate was the second-highest among the top fifteen military spenders, after Saudi Arabia.[57] The proposed base Department of Defense budget for 2012, $553 billion, is a 4.2% increase over 2011; an additional $118 billion is proposed for the military campaigns in Iraq and Afghanistan.[58] As of September 2010, the United States is scheduled to have 96,000 troops deployed to Afghanistan, and 50,000 to Iraq.[59] As of July 25, 2011, the United States had suffered 4,474 military fatalities during the Iraq War,[60] and 1,680 during the War in Afghanistan.[61]
Economy
Main article: Economy of the United States
| Economic indicators | ||
|---|---|---|
| Unemployment | 9.2% (June 2011) | [62] |
| GDP growth | 1.8% (1Q 2011), 2.9% (2009 – 2010) | [63] |
| CPI inflation | 3.6% (June 2010 – June 2011) | [64] |
| Poverty | 14.3% (2009) | [65] |
| Public debt | $14.34 trillion (July 21, 2011) | [66] |
| Household net worth | $58.1 trillion (1Q 2011) | [67] |
The United States is the largest importer of goods and third largest exporter, though exports per capita are relatively low. In 2008, the total U.S. trade deficit was $696 billion.[69] Canada, China, Mexico, Japan, and Germany are its top trading partners.[70] In 2007, vehicles constituted both the leading import and leading export commodity.[71] China is the largest foreign holder of U.S. public debt.[72] The United States ranks fourth in the Global Competitiveness Report.[73]
In August 2010, the American labor force comprised 154.1 million people. With 21.2 million people, government is the leading field of employment. The largest private employment sector is health care and social assistance, with 16.4 million people.[62] About 12% of workers are unionized, compared to 30% in Western Europe.[83] The World Bank ranks the United States first in the ease of hiring and firing workers.[84] In 2009, the United States had the third highest labor productivity per person in the world, behind Luxembourg and Norway. It was fourth in productivity per hour, behind those two countries and the Netherlands.[85] Compared to Europe, U.S. property and corporate income tax rates are generally higher, while labor and, particularly, consumption tax rates are lower.[86]
Income and human development
Main article: Income in the United States
See also: Income inequality in the United States, Poverty in the United States, and Affluence in the United States
According to the United States Census Bureau, the pretax median household income in 2007 was $49,777. The median ranged from $65,469 among Asian American households to $32,584 among African American households.[65] Using purchasing power parity exchange rates, the overall median is similar to the most affluent cluster of developed nations. After declining sharply during the middle of the 20th century, poverty rates have plateaued since the early 1970s, with 11–15% of Americans below the poverty line every year, and 58.5% spending at least one year in poverty between the ages of 25 and 75.[87][88] In 2009, 43.6 million Americans lived in poverty.[65]The U.S. welfare state is one of the least extensive in the developed world, reducing both relative poverty and absolute poverty by considerably less than the mean for rich nations,[89][90] though combined private and public social expenditures per capita are relatively high.[91] While the American welfare state effectively reduces poverty among the elderly,[92] it provides relatively little assistance to the young.[93] A 2007 UNICEF study of children's well-being in twenty-one industrialized nations ranked the United States next to last.[94]
Between 1947 and 1979, real median income rose by over 80% for all classes, with the incomes of poor Americans rising faster than those of the rich. Since 1980, the United States has witnessed strong increases in productivity, low unemployment, and low inflation. However, income gains since 1980 have been slower than in previous decades, less widely shared, and accompanied by increased economic insecurity.[95][96] Median household income has increased for all classes since 1980,[97] largely owing to more dual-earner households, the closing of the gender gap, and longer work hours, but growth has been slower and strongly tilted toward the very top (see graph).[89][95][98] Consequently, the share of income of the top 1%—21.8% of total reported income in 2005—has more than doubled since 1980,[99] leaving the United States with the greatest income inequality among developed nations.[89][100] The top 1% pays 27.6% of all federal taxes, while the top 10% pays 54.7%.[101] Wealth, like income, is highly concentrated: The richest 10% of the adult population possesses 69.8% of the country's household wealth, the second-highest share among developed nations.[102] The top 1% possesses 33.4% of net wealth.[103] In 2010 the United Nations Development Programme ranked the United States 12th among 139 countries on its inequality-adjusted human development index (IHDI), eight places lower than in the standard HDI.[104]
Infrastructure
Science and technology
Main article: Science and technology in the United States
The United States has been a leader in scientific research and technological innovation since the late 19th century. In 1876, Alexander Graham Bell was awarded the first U.S. patent for the telephone. Thomas Edison's laboratory developed the phonograph, the first long-lasting light bulb, and the first viable movie camera. Nikola Tesla pioneered alternating current, the AC motor, and radio. In the early 20th century, the automobile companies of Ransom E. Olds and Henry Ford popularized the assembly line. The Wright brothers, in 1903, made the first sustained and controlled heavier-than-air powered flight.[105] The rise of Nazism in the 1930s led many European scientists, including Albert Einstein and Enrico Fermi, to immigrate to the United States. During World War II, the Manhattan Project developed nuclear weapons, ushering in the Atomic Age. The Space Race produced rapid advances in rocketry, materials science, and computers. IBM, Apple Computer, and Microsoft refined and popularized the personal computer. The United States largely developed the ARPANET and its successor, the Internet. The world's largest search engine (Google), social networking website (Facebook), and online retailer (Amazon.com),[106] are all based in the United States.The United States leads the world in scientific research papers and impact factor.[107] The country is the primary developer and grower of genetically modified food, representing half of the world's biotech crops.[108] The United States is also a leader in medical innovation. Today, 64% of research and development funding comes from the private sector.[109] Americans possess high levels of technological consumer goods,[110] and almost half of U.S. households have broadband Internet access.[111]
Transportation
Mass transit accounts for 9% of total U.S. work trips,[119] ranking last in a survey of 17 countries.[120] While transport of goods by rail is extensive, relatively few people use rail to travel.[121] Light rail development has increased in recent years but has not reached the levels of countries such as Japan. Bicycle usage is minimal for commuting to work[122] and is more common for recreation.[123]
The civil airline industry is entirely privately owned and has been largely deregulated since 1978, while most major airports are publicly owned. The four largest airlines in the world by passengers carried are American; Southwest Airlines is number one.[124] Of the world's thirty busiest passenger airports, sixteen are in the United States, including the busiest, Hartsfield-Jackson Atlanta International Airport.[125]
Energy
See also: Energy policy of the United States
The United States energy market is 29,000 terawatt hours per year. Energy consumption per capita is 7.8 tons of oil equivalent per year, the 10th highest rate in the world. In 2005, 40% of this energy came from petroleum, 23% from coal, and 22% from natural gas. The remainder was supplied by nuclear power and renewable energy sources.[126] The United States is the world's largest consumer of petroleum.[127] For decades, nuclear power has played a limited role relative to many other developed countries, in part due to public perception in the wake of a 1979 accident. In 2007, several applications for new nuclear plants were filed.[128] The United States has 27% of global coal reserves.[129]Education
Main article: Education in the United States
American public education is operated by state and local governments, regulated by the United States Department of Education through restrictions on federal grants. Children are required in most states to attend school from the age of six or seven (generally, kindergarten or first grade) until they turn eighteen (generally bringing them through twelfth grade, the end of high school); some states allow students to leave school at sixteen or seventeen.[130] About 12% of children are enrolled in parochial or nonsectarian private schools. Just over 2% of children are homeschooled.[131]The United States has many competitive private and public institutions of higher education. According to prominent international rankings, 13 or 15 American colleges and universities are ranked among the top 20 in the world.[132][133] There are also local community colleges with generally more open admission policies, shorter academic programs, and lower tuition. Of Americans twenty-five and older, 84.6% graduated from high school, 52.6% attended some college, 27.2% earned a bachelor's degree, and 9.6% earned graduate degrees.[134] The basic literacy rate is approximately 99%.[1][135] The United Nations assigns the United States an Education Index of 0.97, tying it for 12th in the world.[136]
Health
See also: Health care in the United States, Health care reform in the United States, and Health insurance in the United States
The United States life expectancy of 78.3 years at birth is ranked 36th among 194 United Nations member states; while above the world average, it falls short of the overall figure in Western Europe.[137] Increasing obesity in the United States and health improvements elsewhere have contributed to lowering the country's rank in life expectancy from 1987 to 2007, from 11th to 42nd in the world.[138] The infant mortality rate of 6.37 per thousand places the United States 42nd out of 221 countries, above average but behind all of Western Europe.[139] Approximately one-third of the adult population is obese and an additional third is overweight;[140] the obesity rate, the highest in the industrialized world, has more than doubled in the last quarter-century.[141] Obesity-related type 2 diabetes is considered epidemic by health care professionals.[142]
Health care coverage in the United States is a combination of public and private efforts, and is not universal as in all other developed countries. In 2004, private insurance paid for 36% of personal health expenditures, private out-of-pocket payments covered 15%, and federal, state, and local governments paid for 44%.[145] In 2005, 46.6 million Americans, 15.9% of the population, were uninsured, 5.4 million more than in 2001. The main cause of this rise is the drop in the number of Americans with employer-sponsored health insurance.[146] The subject of uninsured and underinsured Americans is a major political issue.[147] A 2009 study estimated that lack of insurance is associated with nearly 45,000 deaths a year.[148] In 2006, Massachusetts became the first state to mandate universal health insurance.[149] Federal legislation passed in early 2010 will create a near-universal health insurance system around the country by 2014.
Demographics
Main articles: Demographics of the United States and Americans
| Race/Ethnicity (2010)[150] | |
|---|---|
| White | 72.4% |
| Black/African American | 12.6% |
| Asian | 4.8% |
| American Indian and Alaska Native | 0.9% |
| Native Hawaiian and Pacific Islander | 0.2% |
| Other | 6.2% |
| Two or more races | 2.9% |
| Hispanic/Latino (of any race) | 16.3% |
The United States has a very diverse population—thirty-one ancestry groups have more than one million members.[158] White Americans are the largest racial group; German Americans, Irish Americans, and English Americans constitute three of the country's four largest ancestry groups.[158] African Americans are the nation's largest racial minority and third largest ancestry group.[158] Asian Americans are the country's second largest racial minority; the two largest Asian American ethnic groups are Chinese Americans and Filipino Americans.[158] In 2010, the U.S. population included an estimated 5.2 million people with some American Indian or Alaska Native ancestry (2.9 million exclusively of such ancestry) and 1.2 million with some native Hawaiian or Pacific island ancestry (0.5 million exclusively).[159] The census counted more than 19 million people of "Some Other Race" who were "unable to identify with any" of its five official race categories in 2010.[159]
The population growth of Hispanic and Latino Americans (the terms are officially interchangeable) is a major demographic trend. The 50.5 million Americans of Hispanic descent[159] are identified as sharing a distinct "ethnicity" by the Census Bureau; 64% of Hispanic Americans are of Mexican descent.[160] Between 2000 and 2010, the country's Hispanic population increased 43% while the non-Hispanic population rose just 4.9%.[150] Much of this growth is from immigration; as of 2007, 12.6% of the U.S. population was foreign-born, with 54% of that figure born in Latin America.[161] Fertility is also a factor; the average Hispanic woman gives birth to 3.0 children in her lifetime, compared to 2.2 for non-Hispanic black women and 1.8 for non-Hispanic white women (below the replacement rate of 2.1).[154] Minorities (as defined by the Census Bureau, all those beside non-Hispanic, non-multiracial whites) constitute 34% of the population, and are projected to constitute the majority by 2042.[162]
About 82% of Americans live in urban areas (including suburbs);[1] about half of those reside in cities with populations over 50,000.[163] In 2008, 273 incorporated places had populations over 100,000, nine cities had more than 1 million residents, and four global cities had over 2 million (New York City, Los Angeles, Chicago, and Houston).[164] There are fifty-two metropolitan areas with populations greater than 1 million.[165] Of the fifty fastest-growing metro areas, forty-seven are in the West or South.[166] The metro areas of Dallas, Houston, Atlanta, and Phoenix all grew by more than a million people between 2000 and 2008.[165]
| Leading population centers | |||||||
|---|---|---|---|---|---|---|---|
| Rank | Core City | Metro area pop.[167] | Metropolitan Statistical Area | Region[168] |  New York  Los Angeles | ||
| 1 | New York | 18,897,109 | New York-Northern New Jersey-Long Island, NY-NJ-PA MSA | Northeast | |||
| 2 | Los Angeles | 12,828,837 | Los Angeles-Long Beach-Santa Ana, CA MSA | West | |||
| 3 | Chicago | 9,461,105 | Chicago-Naperville-Joliet, IL-IN-WI MSA | Midwest | |||
| 4 | Dallas | 6,371,773 | Dallas-Fort Worth-Arlington, TX MSA | South | |||
| 5 | Philadelphia | 5,965,343 | Philadelphia-Camden-Wilmington, PA-NJ-DE-MD MSA | Northeast | |||
| 6 | Houston | 5,946,800 | Houston-Sugar Land-Baytown, TX MSA | South | |||
| 7 | Washington, D.C. | 5,582,170 | Washington-Arlington-Alexandria, DC-VA-MD-WV MSA | South | |||
| 8 | Miami | 5,564,635 | Miami-Fort Lauderdale-Pompano Beach, FL MSA | South | |||
| 9 | Atlanta | 5,268,860 | Atlanta-Sandy Springs-Marietta, GA MSA | South | |||
| 10 | Boston | 4,552,402 | Boston-Cambridge-Quincy, MA-NH MSA | Northeast | |||
| based on the 2010 U.S. Census | |||||||
Language
Main article: Languages of the United States
See also: Language Spoken at Home (U.S. Census)
| Languages (2007)[169] | |
|---|---|
| English (only) | 225.5 million |
| Spanish, incl. Creole | 34.5 million |
| Chinese | 2.5 million |
| French, incl. Creole | 2.0 million |
| Tagalog | 1.5 million |
| Vietnamese | 1.2 million |
| German | 1.1 million |
| Korean | 1.1 million |
While neither has an official language, New Mexico has laws providing for the use of both English and Spanish, as Louisiana does for English and French.[172] Other states, such as California, mandate the publication of Spanish versions of certain government documents including court forms.[173] Many jurisdictions with large numbers of non-English speakers produce government materials, especially voting information, in the most commonly spoken languages in those jurisdictions. Several insular territories grant official recognition to their native languages, along with English: Samoan and Chamorro are recognized by American Samoa and Guam, respectively; Carolinian and Chamorro are recognized by the Northern Mariana Islands; Spanish is an official language of Puerto Rico.
Religion
Main article: Religion in the United States
See also: History of religion in the United States, Freedom of religion in the United States, Separation of church and state in the United States, and List of religious movements that began in the United States
The United States is officially a secular nation; the First Amendment of the U.S. Constitution guarantees the free exercise of religion and forbids the establishment of any religious governance. In a 2002 study, 59% of Americans said that religion played a "very important role in their lives", a far higher figure than that of any other wealthy nation.[174] According to a 2007 survey, 78.4% of adults identified themselves as Christian,[175] down from 86.4% in 1990.[176] Protestant denominations accounted for 51.3%, while Roman Catholicism, at 23.9%, was the largest individual denomination. The study categorizes white evangelicals, 26.3% of the population, as the country's largest religious cohort;[175] another study estimates evangelicals of all races at 30–35%.[177] The total reporting non-Christian religions in 2007 was 4.7%, up from 3.3% in 1990.[176] The leading non-Christian faiths were Judaism (1.7%), Buddhism (0.7%), Islam (0.6%), Hinduism (0.4%), and Unitarian Universalism (0.3%).[175] The survey also reported that 16.1% of Americans described themselves as agnostic, atheist, or simply having no religion, up from 8.2% in 1990.[175][176]Family structure
In 2007, 58% of Americans age 18 and over were married, 6% were widowed, 10% were divorced, and 25% had never been married.[178] Women now mostly work outside the home and receive a majority of bachelor's degrees.[179]Same-sex marriage is a contentious issue. Some states permit civil unions or domestic partnerships in lieu of marriage. Since 2003, several states have legalized gay marriage as the result of judicial or legislative action. Meanwhile, the federal government and a majority of states define marriage as between a man and a woman and/or explicitly prohibit same-sex marriage. Public opinion on the issue has shifted from general opposition in the 1990s to a statistical deadlock as of 2011.[180]
The U.S. teenage pregnancy rate, 79.8 per 1,000 women, is the highest among OECD nations.[181] Abortion policy was left to the states until the Supreme Court legalized the practice in 1972. The issue remains highly controversial, with public opinion closely divided for many years. Many states ban public funding of the procedure and restrict late-term abortions, require parental notification for minors, and mandate a waiting period. While the abortion rate is falling, the abortion ratio of 241 per 1,000 live births and abortion rate of 15 per 1,000 women aged 15–44 remain higher than those of most Western nations.[182]
Crime and law enforcement
Main articles: Law enforcement in the United States and Crime in the United States
See also: Law of the United States, Incarceration in the United States, and Capital punishment in the United States
Among developed nations, the United States has above-average levels of violent crime and particularly high levels of gun violence and homicide.[183] There were 5.0 murders per 100,000 persons in 2009, 10.4% fewer than in 2000.[184] Gun ownership rights are the subject of contentious political debate.
The United States has the highest documented incarceration rate[185] and total prison population[186] in the world. At the start of 2008, more than 2.3 million people were incarcerated, more than one in every 100 adults.[187] The current rate is about seven times the 1980 figure,[188] and over three times the figure in Poland, the Organisation for Economic Co-operation and Development (OECD) country with the next highest rate.[189] African American males are jailed at about six times the rate of white males and three times the rate of Hispanic males.[185] The country's high rate of incarceration is largely due to sentencing and drug policies.[185][190]
Though it has been abolished in most Western nations, capital punishment is sanctioned in the United States for certain federal and military crimes, and in thirty-four states. Since 1976, when the U.S. Supreme Court reinstated the death penalty after a four-year moratorium, there have been more than 1,000 executions.[191] In 2010, the country had the fifth highest number of executions in the world, following China, Iran, North Korea, and Yemen.[192] In 2007, New Jersey became the first state to legislatively abolish the death penalty since the 1976 Supreme Court decision, followed by New Mexico in 2009 and Illinois in 2011.[193]
Culture
Main article: Culture of the United States
See also: Social class in the United States
American culture is considered the most individualistic in the world.[197] Though the American Dream, or the perception that Americans enjoy high social mobility, plays a key role in attracting immigrants, other developed nations offer greater social mobility.[198] While the mainstream culture holds that the United States is a classless society,[199] scholars identify significant differences between the country's social classes, affecting socialization, language, and values.[200] The American middle and professional class has initiated many contemporary social trends such as modern feminism, environmentalism, and multiculturalism.[201] Americans' self-images, social viewpoints, and cultural expectations are associated with their occupations to an unusually close degree.[202] While Americans tend greatly to value socioeconomic achievement, being ordinary or average is generally seen as a positive attribute.[203]
Popular media
Main articles: Cinema of the United States, Television in the United States, and Music of the United States
Americans are the heaviest television viewers in the world,[206] and the average viewing time continues to rise, reaching five hours a day in 2006.[207] The four major broadcast networks are all commercial entities. Americans listen to radio programming, also largely commercialized, on average just over two-and-a-half hours a day.[208] Aside from web portals and search engines, the most popular websites are Facebook, YouTube, Wikipedia, Blogger, eBay, and Craigslist.[209]
The rhythmic and lyrical styles of African-American music have deeply influenced American music at large, distinguishing it from European traditions. Elements from folk idioms such as the blues and what is now known as old-time music were adopted and transformed into popular genres with global audiences. Jazz was developed by innovators such as Louis Armstrong and Duke Ellington early in the 20th century. Country music developed in the 1920s, and rhythm and blues in the 1940s. Elvis Presley and Chuck Berry were among the mid-1950s pioneers of rock and roll. In the 1960s, Bob Dylan emerged from the folk revival to become one of America's most celebrated songwriters and James Brown led the development of funk. More recent American creations include hip hop and house music. American pop stars such as Presley, Michael Jackson, and Madonna have become global celebrities.[210]
Literature, philosophy, and the arts
Eleven U.S. citizens have won the Nobel Prize in Literature, most recently Toni Morrison in 1993. William Faulkner and Ernest Hemingway are often named among the most influential writers of the 20th century.[213] Popular literary genres such as the Western and hardboiled crime fiction developed in the United States. The Beat Generation writers opened up new literary approaches, as have postmodernist authors such as John Barth, Thomas Pynchon, and Don DeLillo.
The transcendentalists, led by Thoreau and Ralph Waldo Emerson, established the first major American philosophical movement. After the Civil War, Charles Sanders Peirce and then William James and John Dewey were leaders in the development of pragmatism. In the 20th century, the work of W. V. Quine and Richard Rorty, built upon by Noam Chomsky, brought analytic philosophy to the fore of U.S. academics. John Rawls and Robert Nozick led a revival of political philosophy.
In the visual arts, the Hudson River School was a mid-19th-century movement in the tradition of European naturalism. The realist paintings of Thomas Eakins are now widely celebrated. The 1913 Armory Show in New York City, an exhibition of European modernist art, shocked the public and transformed the U.S. art scene.[214] Georgia O'Keeffe, Marsden Hartley, and others experimented with new styles, displaying a highly individualistic sensibility. Major artistic movements such as the abstract expressionism of Jackson Pollock and Willem de Kooning and the pop art of Andy Warhol and Roy Lichtenstein developed largely in the United States. The tide of modernism and then postmodernism has brought fame to American architects such as Frank Lloyd Wright, Philip Johnson, and Frank Gehry.
Though little known at the time, Charles Ives's work of the 1910s established him as the first major U.S. composer in the classical tradition, while experimentalists such as Henry Cowell and John Cage created a distinctive American approach to classical composition. Aaron Copland and George Gershwin developed a new synthesis of popular and classical music. Choreographers Isadora Duncan and Martha Graham helped create modern dance, while George Balanchine and Jerome Robbins were leaders in 20th century ballet. Americans have long been important in the modern artistic medium of photography, with major photographers including Alfred Stieglitz, Edward Steichen, and Ansel Adams. The newspaper comic strip and the comic book are both U.S. innovations. Superman, the quintessential comic book superhero, has become an American icon.[215]
Food
Main article: American cuisine
Mainstream American cuisine is similar to that in other Western countries. Wheat is the primary cereal grain. Traditional American cuisine uses indigenous ingredients, such as turkey, venison, potatoes, sweet potatoes, corn, squash, and maple syrup, which were consumed by Native Americans and early European settlers. Slow-cooked pork and beef barbecue, crab cakes, potato chips, and chocolate chip cookies are distinctively American foods. Soul food, developed by African slaves, is popular around the South and among many African Americans elsewhere. Syncretic cuisines such as Louisiana creole, Cajun, and Tex-Mex are regionally important.Characteristic dishes such as apple pie, fried chicken, pizza, hamburgers, and hot dogs derive from the recipes of various immigrants. French fries, Mexican dishes such as burritos and tacos, and pasta dishes freely adapted from Italian sources are widely consumed.[216] Americans generally prefer coffee to tea. Marketing by U.S. industries is largely responsible for making orange juice and milk are ubiquitous breakfast beverages.[217]
The American fast food industry is the largest in the world, pioneering the drive-through format in the 1930s. Fast food consumption has sparked health concerns. During the 1980s and 1990s, Americans' caloric intake rose 24%;[216] frequent dining at fast food outlets is associated with what public health officials call the American "obesity epidemic".[218] Highly sweetened soft drinks are widely popular, and sugared beverages account for 9% of American caloric intake.[219]
Sports
Main article: Sports in the United States
While most major U.S. sports have evolved out of European practices, basketball, volleyball, skateboarding, snowboarding, and cheerleading are American inventions. Lacrosse and surfing arose from Native American and Native Hawaiian activities that predate Western contact. Eight Olympic Games have taken place in the United States. The United States has won 2,301 medals at the Summer Olympic Games, more than any other country,[221] and 253 in the Winter Olympic Games, the second most.[222]
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