Turkmenistan:
58% (1999 est.)

Turks and Caicos Islands:
NA%

Tuvalu:
NA%

Uganda:
55% (1993 est.)

Ukraine:
50% (1999 est.)

United Arab Emirates:
NA%

United Kingdom:
17%

United States:
12.7% (1999 est.)

Uruguay:
NA%

Uzbekistan:
NA%