Ukraine
lowest 10%: 3.4%
highest 10%: 25.7% (2006)

United Arab Emirates
lowest 10%: NA%
highest 10%: NA%

United Kingdom
lowest 10%: 2.1%
highest 10%: 28.5% (1999)

United States
lowest 10%: 2%
highest 10%: 30% (2007 est.)

Uruguay
lowest 10%: 1.9%
highest 10%: 34% (2003)

Uzbekistan
lowest 10%: 2.8%
highest 10%: 29.6% (2003)

Vanuatu
lowest 10%: NA%
highest 10%: NA%

Venezuela
lowest 10%: 0.7%
highest 10%: 35.2% (2003)

Vietnam
lowest 10%: 2.9%
highest 10%: 28.9% (2004)

Virgin Islands
lowest 10%: NA%
highest 10%: NA%