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Government type: Constitution-based federal republic; strong democratic tradition
Leader Barack Obama the 44th president
3 branches of government (executive, legislative and judicial) -
Federation
Dmitry Medvedev
3 Branches of Government -
Constitutional monarchy
David Cameron
3 Branches -
Federal republic
Felipe Calderon
3 branches of government -
Federal republic
Hugo Chavez
3 Branches -
Constitutional monarchy
Naoto Kan
3 branches -
Communist state
Raul Castro
3 branches (executive, legislative and judicial) -
Multiparty democratic
Ma Ying-Jeou
5 Branches -
Communist state
Hu jintao
3 branches -
Parliamentary democracy
Jalal talabani -
Saudi Arabia
Absolute monarchy
King Abdullah
3 -
Communist state, one-man dictatorship
Kim Jong-il
3 Branches