Mexico
Federal republic
President 

Enrique Pena Nieto

China

Communist State
President 

Xi Jinping

India
Federal Republic
President

Narendra Modi

Germany 

Federal Republic

President 

Joachim Gauck

Syria

Republic

President

 Bashar al-ASAD

United Kingdom

Constitutional Monarchy and Common Wealth
Prime Minister 

David Cameron

Canada

Parliamentary Democracy

Prime Minister 

Stephen Harper

 

Japan

Constitutional Monarchy

Emperor 

Akihito

Israel

Parliamentary Democracy

President 

Reuven Rivlin

Brazil

Federal Republic

President 

Dilma Rousseff

France
French Fifth Republic
President 

Francois Hollande

United Kingdom
Parliament
Queen 

Elizabeth II