Tonga
NA
Trinidad and Tobago
3.2% (2003 est.)
Tunisia
less than 0.1% (2005 est.)
Turkey
less than 0.1% - note: no country specific models provided
(2001 est.)
Turkmenistan
less than 0.1% (2004 est.)
Turks and Caicos Islands
NA
Tuvalu
NA
Uganda
4.1% (2003 est.)
Ukraine
2% (2003 est.)
United Arab Emirates
0.18% (2001 est.)