Malaysia (pronounce /məˈleɪʒə/ or /məˈleɪziə/) is a country that consists of thirteen states and three federal territories in Southeast Asia with a total landmass of 329,847 square kilometres (127,355 sq mi). The capital city is Kuala Lumpur, while Putrajaya is the seat of the federal government. The population stands at over 25 million. The country is separated into two regions — Peninsular Malaysia and Malaysian Borneo — by the South China Sea. Malaysia borders Thailand, Indonesia, Singapore, Brunei and the Philippines. Located near the equator, the weather is characterized by tropical climate. Malaysia is headed by the Yang di-Pertuan Agong and politically led by a Prime Minister. The government is closely modeled after the Westminster parliamentary system.