Turkmenistan
less than 0.1% (2007 est.)
Turks and Caicos Islands
NA
Tuvalu
NA
Uganda
5.4% (2007 est.)
Ukraine
1.6% (2007 est.)
United Arab Emirates
0.18% (2001 est.)
United Kingdom
0.2% (2007 est.)
United States
0.6% (2007 est.)
Uruguay
0.6% (2007 est.)
Uzbekistan
less than 0.1% (2007 est.)