Tanzania
total: 17.7 years
male: 17.5 years
female: 18 years (2006 est.)
Thailand
total: 31.9 years
male: 31.1 years
female: 32.8 years (2006 est.)
Togo
total: 18.3 years
male: 17.8 years
female: 18.7 years (2006 est.)
Tonga
total: 20.7 years
male: 20.1 years
female: 21.3 years (2006 est.)
Trinidad and Tobago
total: 31.2 years
male: 30.8 years
female: 31.7 years (2006 est.)
Tunisia
total: 27.8 years
male: 27.3 years
female: 28.3 years (2006 est.)
Turkey
total: 28.1 years
male: 27.9 years
female: 28.3 years (2006 est.)
Turkmenistan
total: 21.8 years
male: 20.9 years
female: 22.7 years (2006 est.)
Turks and Caicos Islands
total: 27.5 years
male: 28.3 years
female: 26.8 years (2006 est.)
Tuvalu
total: 24.6 years
male: 23.6 years
female: 26 years (2006 est.)