Mexico
Federal Presidential Constitution Republic
President
Enrique Peña Nieto

China
Single-Party Socialist State
President
Xi Jinping

 India
Federal Parliamentary Constitutional Republic
President
Pranab Mukherjee

Russia
Federal Semi-Presidential Constitutional Republic
President
Vladimir Putin

Germany
Federal Parliamentary Constitutional Republic
President
Joachim Gauck

United Kingdom
Unitary Parliamentary Constitutional Monarchy
Monarch & Prime Ministe
Elizabeth II & David Cameron

France
Unitary Semi-Presidential Constitutional Republic
President & Prime Minister
Francois Hollande & Manuel Valls

Brazil
Federal Presidential Constitutional Republic
President
Dilma Rousseff

Syria
Unitary Single-Party Semi-Presidential Republic
President
Bashar al-Assad

Canada
Federal Parliamentary Constitutional Monarchy
Monarch & Prime Minister
Elizabeth II & Stephen Harper

Japan
Unitary Parliamentary Constitutional Monarchy
Emperor & Prime Minister
Akihito & Shinzo Abe

Israel
Unitary Parliamentary Republic
President
Reuven Rivlin