The 2005 CIA World Factbook

by United States. Central Intelligence Agency

Taiwan
20 years of age; universal

Tajikistan
18 years of age; universal

Tanzania
18 years of age; universal

Thailand
18 years of age; universal and compulsory

Togo
NA years of age; universal adult

Tokelau
21 years of age; universal

Tonga
21 years of age; universal

Trinidad and Tobago
18 years of age; universal

Tunisia
20 years of age; universal

Turkey
18 years of age; universal