Trinidad and Tobago
18 years of age; universal
Tunisia
18 years of age; universal except for active government
security forces (including the police and the military), people with
mental disabilities, people who have served more than three months
in prison (criminal cases only), and people given a suspended
sentence of more than six months
Turkey
18 years of age; universal
Turkmenistan
18 years of age; universal
Turks and Caicos Islands
18 years of age; universal
Tuvalu
18 years of age; universal
Uganda
18 years of age; universal
Ukraine
18 years of age; universal
United Arab Emirates
none
United Kingdom
18 years of age; universal