-
660 BCE
Japan
-Constitutional monarchy, Parliamentary system, Unitary system
- Shinzo Abe
-3 branches -
Great Britain
-Parliamentary system, Unitary system, Constitutional monarchy
-Theresa May
- 3 branches -
United States
-Federal republic ,Presidential system,Liberal democracy, Constitutional republic
-President Donald Trump
-Executive,Legislative,Judicial -
Venezuela
-Republic,Socialist state,Federation,Presidential system
-Nicolas Maduro
-5 branches -
Mexico
-Republic, Federal republic,Presidential system,Constitutional republic
-Enrique Pena Nieto
-2 -
Cuba
-Dictatorship, Unitary state, Republic, Communist state, Presidential system, Socialist state
- Raul Castro
-3 branches -
Taiwan
-Unitary state, Semi-presidential system, Constitutional republic
- Tsai Ing-wen
-5 branches -
Saudia Arabia
-Monarchy, Absolute monarchy, Unitary state, Islamic state
-King Salman Abdullah
-2 branches -
Iraq
-Republic, federal, Parliamentary
-Fuad malum
-3 branches -
North Korea
-Totalitarianism, Socialist, One party state
-Kim Jong-un
-3 branches -
China
-Communist
-President Xi Jinping
-Legislative, executive, and judicial branch -
Russia
-Federation
- Vladimir Putin
-3 branches