Tokyo is the capital of Japan, whose population is around 127 million people. The main religions are Shinto and Buddhism, and the head of state is the Emperor, while the Prime Minister is the chief of government. Japan comprises over 3000 islands in the Pacific Ocean, over 70% of which are mountainous. The culture combines influences from Asia, Europe and North America, with traditional arts including painting, sculpture, flower arranging, theater, architecture, and kimono clothing. Cuisine such as sushi and tempura are popular worldwide.