Government timeline

Great Britain

May 1, 1707

TYPE OF GOVERNMENT: Unitary parliamentary democracy and constitutional monarchy
NAME OF CURRENT POLITICAL LEADER: David Cameron
NUMBER OF BRANCHES IN GOVERNMENT: 3

United States

Jul 4, 1776

TYPE OF GOVERNMENT: Democratic Republic
NAME OF CURRENT POLITICAL LEADER: Barack Obama
NUMBER OF BRANCHES IN GOVERNMENT: 3

Mexico

Sep 27, 1821

TYPE OF GOVERNMENT: Federal presidential
constitutional republic
NAME OF CURRENT POLITICAL LEADER: Felipe Calderón
NUMBER OF BRANCHES IN GOVERNMENT: 3

Venezuala

Mar 30, 1845

TYPE OF GOVERNMENT: Federal presidential republic
NAME OF CURRENT POLITICAL LEADER: Hugo Chávez Frías
NUMBER OF BRANCHES IN GOVERNMENT: 3

Cuba

May 20, 1902

TYPE OF GOVERNMENT: communist state
NAME OF CURRENT POLITICAL LEADER: Raúl Castro
NUMBER OF BRANCHES IN GOVERNMENT: 3

Taiwan

Jan 1, 1912

TYPE OF GOVERNMENT: Semi-presidential republic
NAME OF CURRENT POLITICAL LEADER: Ma Ying-jeou
NUMBER OF BRANCHES IN GOVERNMENT: 5

Saudi Arabia

Sep 23, 1932

TYPE OF GOVERNMENT: Islamic absolute monarchy
NAME OF CURRENT POLITICAL LEADER: Abdullah bin Abdul Aziz
NUMBER OF BRANCHES IN GOVERNMENT: 1

Japan

May 3, 1947

TYPE OF GOVERNMENT: constitutional monarchy
NAME OF CURRENT POLITICAL LEADER: Naoto Kan
NUMBER OF BRANCHES IN GOVERNMENT: 3

North Korea

Sep 9, 1948

TYPE OF GOVERNMENT: military dictatorship
NAME OF CURRENT POLITICAL LEADER: Kim Jong-il
NUMBER OF BRANCHES IN GOVERNMENT: 1

China

Oct 1, 1949

TYPE OF GOVERNMENT: Single party-led state
NAME OF CURRENT POLITICAL LEADER: Hu Jintao
NUMBER OF BRANCHES IN GOVERNMENT: 3

Russia

Dec 26, 1991

TYPE OF GOVERNMENT: Federal semi-presidential republic
NAME OF CURRENT POLITICAL LEADER: Dmitry Medvedev
NUMBER OF BRANCHES IN GOVERNMENT: 3

Iraq

Oct 15, 2005

TYPE OF GOVERNMENT: federal parliamentary republic
NAME OF CURRENT POLITICAL LEADER: Jalal Talabani
NUMBER OF BRANCHES IN GOVERNMENT: 3