The 2001 CIA World Factbook

by United States. Central Intelligence Agency

United Arab Emirates:
2,407,460

note: includes 1,576,472 non-nationals (July 2001 est.)

United Kingdom:
59,647,790 (July 2001 est.)

United States:
278,058,881 (July 2001 est.)

Uruguay:
3,360,105 (July 2001 est.)

Uzbekistan:
25,155,064 (July 2001 est.)

Vanuatu:
192,910 (July 2001 est.)

Venezuela:
23,916,810 (July 2001 est.)

Vietnam:
79,939,014 (July 2001 est.)

Virgin Islands:
122,211 (July 2001 est.)