Estados Unidos

United States of America
Flag Great Seal
Motto: "In God We Trust" Other traditional mottos "E pluribus unum" (Latin) (de facto) "Out of many, one" "Annuit cœptis" (Latin) "He has favored our undertakings" "Novus ordo seclorum" (Latin) "New order of the ages"
Anthem: "The Star-Spangled Banner" March: "The Stars and Stripes Forever"
The contiguous United States plus Alaska and Hawaii
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
• Vice President	Mike Pence
• Speaker of the House	Paul Ryan
• Chief Justice	John Roberts
Legislature	Congress
• Upper house	Senate
• Lower house	House of Representatives
Independence from Great Britain
• Declaration	July 4, 1776
• Confederation	March 1, 1781
• Treaty of Paris	September 3, 1783
• Constitution	June 21, 1788
• Last polity admitted	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	$57,467 (7th)
Gini (2013)	41.1 medium
HDI (2015)	0.920 very high · 10th
Currency	United States dollar ($) (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 Los Angeles Chicago 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.

...
Wikipedia