<Li> Turks and Caicos Islands: 18 </Li> <Li> Tuvalu: 18 </Li> <Ul> <Li> Uganda: 18 </Li> <Li> Ukraine: 18 </Li> <Li> United Arab Emirates: none but at least 25 (the minimum age is decided by the ruler of each Emirate and may vary from one Emirate to another) </Li> <Li> United Kingdom: 18 (16 for the Scottish independence referendum, Scottish Parliament elections and Scottish local government elections .) </Li> <Li> United States: 18; however, in many states, persons 17 years of age are permitted to vote in primary elections if they will be 18 years of age on or before the day of the general election . </Li> <Li> Uruguay: 18 </Li> <Li> Uzbekistan: 18 </Li> </Ul> <Li> Uganda: 18 </Li>

When was the voting age lowered to 18 in canada