United States

United States of America
Flag Great Seal
Motto: "In God We Trust"^[1]^[2] 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"^[3]
The contiguous United States plus Alaska and Hawaii
The United States including its territories
Capital	Washington, D.C. 38°53′N77°01′W / 38.883°N 77.017°W / 38.883; -77.017
Largest city	New York City 40°43′N74°00′W / 40.717°N 74.000°W / 40.717; -74.000
Official languages	None at federal level^{[fn 1]}
National language	English^{[fn 2]}
Ethnic groups	By race:^[8] 77.1% White 13.3% Black 2.6% Other/multiracial 5.6% Asian 1.2% Native 0.2% Pacific Islander Ethnicity: 17.6% Hispanic or Latino 82.4% non-Hispanic or Latino
Religion	70.6% Christian 1.9% Jewish 0.9% Muslim 0.7% Buddhist 0.7% Hindu 1.8% Other faiths 22.8% Unaffiliated^[9]
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)^[10]^{[fn 3]} (3rd/4th)
• Water (%)	6.97
• Total land area	3,531,905 sq mi (9,147,590 km²)
Population
• 2017 estimate	325,145,963^[12] (3rd)
• 2010 census	309,349,689^[13] (3rd)
• Density	90.6/sq mi (35.0/km²) (180th)
GDP (PPP)	2016 estimate
• Total	$18.558 trillion^[14] (2nd)
• Per capita	$57,220^[14] (14th)
GDP (nominal)	2016 estimate
• Total	$18.558 trillion^[14] (1st)
• Per capita	$57,220^[14] (6th)
Gini (2013)	40.8^[15]^[16]^[17] medium
HDI (2015)	0.920^[18] very high · 10th
Currency	United States dollar ($) (USD)
Time zone	(UTC−4 to −12, +10, +11)
• Summer (DST)	(UTC−4 to −10^{[fn 4]})
Date format	mm/dd/yyyy (AD)
Drives on the	right^{[fn 5]}
Calling code	+1
ISO 3166 code	US
Internet TLD	.us .gov .mil .edu

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Contents

Introduction

Geography

Demographics

Government

Economy

Energy

Telecommunications

Transportation

Military

Transnational Issues

Environment

Health

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