Trinidad and Tobago
parliamentary democracy
Tunisia
republic
Turkey
republican parliamentary democracy
Turkmenistan
republic; authoritarian presidential rule, with little
power outside the executive branch
Turks and Caicos Islands
NA
Tuvalu
constitutional monarchy with a parliamentary democracy
Uganda
republic
Ukraine
republic
United Arab Emirates
federation with specified powers delegated to
the UAE federal government and other powers reserved to member
emirates
United Kingdom
constitutional monarchy