Canada

Stephen Harper 

A parliamentary democracy, a federation, and a constitutional monarchy 

      

China

Xi Jinping

Communist state

                                    

France
François Hollande
Republic

Germany
Joachim Gauck
Federal republic

India
Pranab Mukherjee
Federal republic

Japan
Shinzō Abe
A parliamentary government with a constitutional monarchy

Israel
Reuven Rivlin
Parliamentary democracy

Mexico
Enrique Peña Nieto
Federal republic

Russia
Vladimir Putin
Federation

Syria
Bashar al-Assad
Republic under an authoritarian regime

The United Kingdom
David Cameron
Constitutional monarchy and Commonwealth realm

Brazil
Dilma Rousseff
Federal republic