Country

Brazil

Federal Republic

Presdent Dilma rosseff

Mexico

Federal Republic

President Enrique Pena Nieto

China

people's republic of china

President XI Jinping

India

Republic of India

President Pranab MUKHERJEE

Russia

Federation

President Vladimir Vladimirovich Putin

Germany

Federal Repulic

President Joachim Gauck

United Kingdom (UK)

Constitutional Monarchy and Commonwealth Realm

Queen Elizabeth II

France

Republic

President Francois Hollande

Syria

Republic under an authoritarian

President Bashar al-ASAD

Canada

a parliamentary democracy, a federation, and a constitutional monarchy

Queen Elizabeth II 

Japan 

parliamentary government with a constitutional monarchy

Emperor Akihito

Israel

Parliamentary democracy 

President Shimon Peres