Political Geography

United States

Constitution-based federal republic

President Barack Obama

Mexico

Federal Republic

President Enrique Peña Nieto

China

Communist State

President Hu Jintao

India

Federal Republic

President Pranab Mukherjee

Afghanistan 

Islamic Republic

President of the Islamic Republic of Afghanistan Hamid Karzai

Iran

Theocratic Republic

President Mahmoud Ahmadi-Nejad

President

Prime Minister

Israel

Parliamentary Democracy

Prime Minister Binyamin Netanyahu

President Shimon Peres

Germany

Federal Republic

Chancellor Angela Merkel

The Queen

Prime Minister

United Kingdom

Constitutional Monarchy and Commonwealth Realm

Prime Minister David Cameron

Queen Elizabeth II

France

Republic

President François Hollande

Brazil

Federal Republic

President Dilma Rousseff

Venezuela

Federal Republic

President Hugo Chavez Frias

Saudi Arabia

Monarchy

King and Prime Minister Abdallah bin Abd al-Aziz Al Saud