United States
0.883% (2008 est.)

Uruguay
0.486% (2008 est.)

Uzbekistan
0.965% (2008 est.)

Vanuatu
1.434% (2008 est.)

Venezuela
1.498% (2008 est.)

Vietnam
0.99% (2008 est.)

Virgin Islands
0.002% (2008 est.)

Wallis and Futuna
NA (2008 est.)

West Bank
2.225% (2008 est.)

Western Sahara
2.868% NA (2008 est.)