Mexico
president: Enrique Peña Nieto
federal republic 









China 
prime minister: Xi Jinping
Communist state

India
president: Pranab Mukherjee
federal republic

Russia 
president：Владимир Владимирович Путин
federation








Germany
president: Joachim Gauck
federal republic

United Kingdom
prime minister: David Cameron
constitutional monarchy and Commonwealth realm

France
president: François Hollande
republic







Brazil
president: Dilma Rousseff
federal republic








Syria
president: Bashar al-Assad
republic under an authoritarian regime









Canada
prime minister: Stephen Harper
a parliamentary democracy, a federation, and a constitutional monarchy







Japan
prime minister: Shinzō Abe
a parliamentary government with a constitutional monarchy




Israel
prime minister: Benjamin Netanyahu
parliamentary democracy