• (230) 4278861, 4260399

Protection & Enforcement of IPRs in United States

United States of America

Motto: 
Other traditional mottos:

USA orthographic.svg
US insular areas SVG.svg
CapitalWashington, D.C.
38°53′N 77°01′W / 38.883°N 77.017°W / 38.883; -77.017
Largest cityNew York City
40°43′N 74°00′W / 40.717°N 74.000°W / 40.717; -74.000
Official languagesNone at the federal level[a]
National languageEnglish
Ethnic groups
(2019)[8]
By race:
By ethnicity:
Religion
(2020)[9]
Demonym(s)American[b][10]
GovernmentFederal presidential constitutional republic
• President
Joe Biden (D)
Kamala Harris (D)
Nancy Pelosi (D)
John Roberts
LegislatureCongress
Senate
House of Representatives
Independence 
July 4, 1776
March 1, 1781
September 3, 1783
June 21, 1788
September 25, 1789
August 21, 1959
May 5, 1992
Area
• Total area
3,796,742 sq mi (9,833,520 km2)[c][11] (3rd/4th)
• Water (%)
4.66 (as of 2015)[12]
• Total land area
3,531,905 sq mi (9,147,590 km2)
Population
• 2020 census
Neutral increase 331,449,281[d][13] (3rd)
• Density
87/sq mi (33.6/km2) (146th)
GDP (PPP)2021 estimate
• Total
Increase $22.675 trillion[14] (2nd)
• Per capita
Increase $68,309[14] (7th)
GDP (nominal)2021 estimate
• Total
Increase $22.675 trillion[14] (1st)
• Per capita
Increase $68,309[14] (5th)
Gini (2020)Negative increase 48.5[15]
high
HDI (2019)Increase 0.926[16]
very high · 17th
CurrencyUnited States dollar ($) (USD)
Time zoneUTC−4 to −12, +10, +11
• Summer (DST)
UTC−4 to −10[e]
Date format
  • mm/dd/yyyy
  • yyyy-mm-dd
Mains electricity110–120 V, 60 Hz[17]
Driving sideright[f]
Calling code+1
ISO 3166 codeUS
Internet TLD
Generic top-level domain
.com, .org, .net, .edu, .gov, .mil[18]
Country code top-level domain
[g] .us, .pr, .as, .gu, .mp, .vi, .um[h]

United States

The United States of America, commonly known as the United States or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territories, 326 Indian reservations, and some minor possessions. At 3.8 million square miles, it is the world's third- or fourth-largest country by total area. The United States shares significant land borders with Canada to the north and Mexico to the south, as well as limited maritime borders with Cuba, Russia, and the Bahamas. With a population of more than 331 million people, it is the third most populous country in the world. The national capital is Washington, D.C., and the most populous city is New York City.