-
Japan
Parliamentary and Constitutional
Naoto Kan
1660 -
Great Britian
Monarchy
David Cameron
1707 -
United states
Type of Government: Constitutional Republic
Barack Obama
3 branches
founded 1776 -
Mexico
Constitutional Republic
Felipe Calderon
3 branches
1810 -
Venezuela
Constitutional
Hugo Chavez
1830 -
Cuba
Comunist Country
Raul Castro
One
1868 -
Taiwan
Repubican
Ma Ying-jeou
1919 -
North Korea
Dictatorship
Kim Jong
1919 -
Iraq
Parliamentary Republic
Jalal Talaban
1919 -
Saudi Arabia
Monarchy
Abdullah bin Abdul Aziz
1932 -
China
Single Party-Led Communist
Hu Jintao
3 branches
1949 -
Russia
Republican
Dmitry Medvedev
1991