Sweden
total: 40.6 years
male: 39.49 years
female: 41.75 years (2005 est.)
Switzerland
total: 39.77 years
male: 38.75 years
female: 40.81 years (2005 est.)
Syria
total: 20.37 years
male: 20.24 years
female: 20.51 years (2005 est.)
Taiwan
total: 34.14 years
male: 33.71 years
female: 34.57 years (2005 est.)
Tajikistan
total: 19.73 years
male: 19.45 years
female: 20.02 years (2005 est.)
Tanzania
total: 17.62 years
male: 17.36 years
female: 17.89 years (2005 est.)
Thailand
total: 30.88 years
male: 30.11 years
female: 31.66 years (2005 est.)
Togo
total: 17.78 years
male: 17.42 years
female: 18.14 years (2005 est.)
Tonga
total: 20.46 years
male: 19.93 years
female: 21.02 years (2005 est.)
Trinidad and Tobago
total: 30.91 years
male: 30.46 years
female: 31.44 years (2005 est.)