The document lists current heads of state and government for several countries including Canada, the United States, Great Britain, Mexico, Russia, India, China, and Japan. Stephen Harper, Barack Obama, David Cameron, Felipe Calderon, Dmitry Medvedev, Vladimir Putin, Pratibha Patil, Manmohan Singh, Wen Jiabao, Hu Jintao, Yoshihiko Noda, and Akihito are named as leaders for their respective nations.