<Li> Brazil: 5 October 1988 (Constitution of the Federative Republic of Brazil, 1988) </Li> <Li> Estonia: 24 February 1990 (from 22 according to the 1938 Constitution, from 18 during the Soviet occupation); only for the Congress of Estonia, was raised to 18 according to the 1992 Constitution </Li> <Li> Isle of Man: 11 July 2006; legislation brought into force in time for general election held on 23 November 2006 </Li> <Li> Austria: 1 July 2007 (BGBl . No. 1 / 1930, as amended) </Li>

What is the minimum age required to attain the office of u.s. president