Countries Government & Their Leaders

Mexico

Government- Federal Republic

Leader- President Enrique Pena Nieto

Germany

Government- Federal Republic

Leader- President Joachim Gauck & Angela Merkel

Venezuela
Government- Federal Republic
Leader-
President Nicolas Maduro Moros

China
Government- Communist State
Leader- President XI Jinping

India
Government- Federal Republic
Leader- President Pranab Mukherjee

United Kingdom

Government- Constitutional Monarchy and Commonwealth Realm 

Leader- Queen Elizabeth II 

Saudi Arabia 

Government- Monarchy

Leader- King & Prime Minister Abdallah bin Abd al-Aziz Al Saud

France

Government- Republic

Leader- President Francois Hollande

Iran

Government- Theocratic Republic

Leader- President Ruhani & Supreme Leader Ali Hoseini-Khamenei 

Brazil

Government- Federal Republic

Leader- President Dilma Rousseff

Israel

Government- Parliamentary Democracy

Leader- President Shimon Peres 

Afghanistan 

Government- Islamic Republic

Leader- President of the Islamic Republic of Afghanistan Hamid Karzai

Sources: https://www.cia.gov/library/publications/the-world-factbook/ & http://www.google.com/imghp