In the United States, there are 19 states that allow 17 year olds to vote in primary elections and caucuses if they will be 18 years of age, by election day.
- - 18 is the most common voting age, with a small minority of countries differing from this rule. Those with a national minimum age of 17 include East Timor, Indonesia, North Korea, the Seychelles and Sudan. The minimum age is 16 in Austria, Brazil, Cuba, Nicaragua and the Isle of Man (though Man is not a sovereign state). People aged 16-18 can vote in Bosnia, Serbia and Montenegro if employed. By contrast the minimum age in Uzbekistan is 25, which age is also used in Italy for elections to the Senate. Some countries have variable provision for the minimum voting age, whereby a lower age is set for eligibility to vote in state, regional or municipal elections.