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Estados Unidos

United States of America
Motto: 
Projection of North America with the United States in green
The United States and its territories
The United States including its territories
Capital Washington, D.C.
38°53′N 77°01′W / 38.883°N 77.017°W / 38.883; -77.017
Largest city New York City
40°43′N 74°00′W / 40.717°N 74.000°W / 40.717; -74.000
Official languages None at federal level
National language English
Ethnic groups (2016) By race:
77.1% White
13.3% Black
5.6% Asian
2.6% Other/multiracial
1.2% Native
0.2% Pacific Islander
Ethnicity:
17.6% Hispanic or Latino
82.4% non-Hispanic or Latino
Religion (2015) 70.6% Christian
22.8% Unaffiliated
1.9% Jewish
0.9% Muslim
0.7% Buddhist
0.7% Hindu
1.8% Other faiths
Demonym American
Government Federal presidential constitutional republic
• President
Donald Trump
Mike Pence
Paul Ryan
John Roberts
Legislature Congress
Senate
House of Representatives
July 4, 1776
March 1, 1781
September 3, 1783
June 21, 1788
March 24, 1976
Area
• Total area
3,796,742 sq mi (9,833,520 km2) (3rd/4th)
• Water (%)
6.97
• Total land area
3,531,905 sq mi (9,147,590 km2)
Population
• 2017 estimate
325,365,189 (3rd)
• 2010 census
308,745,538 (3rd)
• Density
90.6/sq mi (35.0/km2) (180th)
GDP (PPP) 2016 estimate
• Total
$18.558 trillion (2nd)
• Per capita
$57,220 (14th)
GDP (nominal) 2016 estimate
• Total
$18.558 trillion (1st)
• Per capita
$57,467 (7th)
Gini (2013) Negative increase 41.1
medium
HDI (2015) Increase 0.920
very high · 10th
Currency United States dollar ($) (USD)
Time zone (UTC−4 to −12, +10, +11)
• Summer (DST)
 (UTC−4 to −10)
Date format mm/dd/yyyy (AD)
Drives on the right
Calling code +1
ISO 3166 code US
Internet TLD .us
Website
usa.gov
Leading population centers (see complete list)
Rank Core city (cities) Metro area population Metropolitan Statistical Area Region
New York City
New York City

Los Angeles
Los Angeles

Chicago
Chicago

Dallas
Dallas

1 New York 20,153,634 New York–Newark–Jersey City, NY–NJ–PA MSA Northeast
2 Los Angeles 13,310,447 Los Angeles–Long Beach–Anaheim, CA MSA West
3 Chicago 9,512,999 Chicago–Joliet–Naperville, IL–IN–WI MSA Midwest
4 Dallas–Fort Worth 7,233,323 Dallas–Fort Worth–Arlington, TX MSA South
5 Houston 6,656,947 Houston–The Woodlands-Sugar Land MSA South
6 Washington, D.C. 6,772,470 Washington, DC–VA–MD–WV MSA South
7 Philadelphia 6,070,500 Philadelphia–Camden–Wilmington, PA–NJ–DE–MD MSA Northeast
8 Miami 6,066,387 Miami–Fort Lauderdale–West Palm Beach, FL MSA South
9 Atlanta 5,789,700 Atlanta–Sandy Springs–Roswell, GA MSA South
10 Boston 4,794,447 Boston–Cambridge–Quincy, MA–NH MSA Northeast
11 San Francisco 4,679,166 San Francisco–Oakland–Fremont, CA MSA West
12 Phoenix 4,661,537 Phoenix–Mesa–Chandler, AZ MSA West
13 Riverside–San Bernardino 4,527,837 Riverside–San Bernardino–Ontario, CA MSA West
14 Detroit 4,297,617 Detroit-Warren-Dearborn, MI MSA Midwest
15 Seattle 3,798,902 Seattle–Tacoma–Bellevue, WA MSA West
16 Minneapolis–St. Paul 3,551,036 Minneapolis–St. Paul–Bloomington, MN–WI MSA Midwest
17 San Diego 3,317,749 San Diego–Carlsbad–San Marcos, CA MSA West
18 Tampa–St. Petersburg 3,032,171 Tampa–St. Petersburg–Clearwater, FL MSA South
19 Denver 2,853,077 Denver–Aurora–Lakewood, CO MSA West
20 St. Louis 2,807,002 St. Louis MO–IL MSA Midwest
Based on 2015 population estimates from the U.S. Census Bureau
Economic indicators
Nominal GDP $18.45 trillion (Q2 2016)
Real GDP growth 1.4% (Q2 2016)
2.6% (2015)
CPI inflation 1.1% (August 2016)
Employment-to-population ratio 59.7% (August 2016)
Unemployment 4.9% (August 2016)
Labor force participation rate 62.8% (August 2016)
Total public debt $19.808 trillion (October 25, 2016)
Household net worth $89.063 trillion (Q2 2016)

Coordinates: 40°N 100°W / 40°N 100°W / 40; -100

The United States of America (USA), commonly known as the United States (U.S.) or America (/əˈmɛrɪkə/), is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions. At 3.8 million square miles (9.8 million km2) and with over 324 million people, the United States is the world's third- or fourth-largest country by total area and the third-most populous. The capital is Washington, D.C., and the largest city by population is New York City. Forty-eight states and the capital's federal district are contiguous and located in North America between Canada and Mexico. The state of Alaska is in the northwest corner of North America, bordered by Canada to the east and across the Bering Strait from Russia to the west. The state of Hawaii is an archipelago in the mid-Pacific Ocean. The U.S. territories are scattered about the Pacific Ocean and the Caribbean Sea, stretching across nine official time zones. The extremely diverse geography, climate and wildlife of the United States make it one of the world's 17 megadiverse countries.


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