Burma, officially the Republic of the Union of Myanmar, is a country in South Asia and Southeast Asia. Burma is bordered by India, Bangladesh, China, Laos and Thailand. One-third of Burma's total perimeter of 1,930 kilometres (1,200 mi) forms an uninterrupted coastline along the Bay of Bengal and the Andaman Sea. At 676,578 km2 (261,227 sq mi), it is the 40th largest country in the world and the second largest country in Southeast Asia. Burma is also the 24th most populous country in the world with over 58.8 million people.