Corruption Perception Index
Ranking
2014
17
2013
19
2012
19
2011
24
2010
22
2008
18

 
United States
United States of America
Motto: In God We Trust (official) E Pluribus Unum (From Many, One; Latin, traditional)
 
Anthem: "The Star-Spangled Banner"
 
Capital : Washington, D.C.
38°53′N 77°02′W
Largest city : New York City
Official language :None at federal level
National language : English
Demonym : American
Government : Federal presidential constitutional republic
President : Barack Obama
Vice President : Joseph Biden
Speaker of the House : John Boehner
Chief Justice : John Roberts
Independence : from the Kingdom of Great Britain
Declared : July 4, 1776
Recognized : September 3, 1783
Current constitution :June 21, 1788
 
Area

Total

:9,857,306 km² (4th)
3,805,927 sq mi

Water % : 2.23
 
Population  
2015 estimate : 320,206,000[6] (3rd)
Density : 34.2/km2 (180th)
88.6/sq mi
   
GDP (PPP) 2013 estimate
Total : $16.72 trillion (1st)
Per Capita : $52,800 (10th)
GDP (nominal) 2013 estimate
Total : $16.768 trillion (1st)
Per Capita : $53,042 (1st)
Gini (2013) : 38 (medium)
HDI (2013) : 0.914 (very high) (5th)
Currency : United States dollar ($) (USD "$")
Time zone : (UTC-5 to -10)
Summer (DST) : (UTC-4 to -10)
Internet TLD : .us .gov .mil .edu
Calling code : +1