Turkey
republican parliamentary democracy
Turkmenistan
republic; authoritarian presidential rule, with little
power outside the executive branch
Turks and Caicos Islands
NA
Tuvalu
a parliamentary democracy and a Commonwealth realm
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 and Commonwealth realm
United States
Constitution-based federal republic; strong democratic
tradition
Uruguay
constitutional republic