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 except for active duty military
Turkey
18 years of age; universal
Turkmenistan
18 years of age; universal