Myanmar (Burmese pronunciation: [mjəmà]), officially the Republic of the Union of Myanmar, also known as Burma, is a sovereign state in the region of Southeast Asia and has been a member of the Association of Southeast Asian Nations (ASEAN) since 1997. In counterclockwise order, Myanmar is bordered by India and Bangladesh to its west, Thailand and Laos to its east, and China to its north and northeast. To its south, about one third of Myanmar's total perimeter of 5,876 km (3,651 miles) forms an uninterrupted coastline of 1,930 km (1,200 miles) along the Bay of Bengal and the Andaman Sea. The country's 2014 census revealed a much lower population than expected, with 51 million people recorded. Myanmar is 676,578 square kilometres (261,227 sq mi) in size. Its capital city is Naypyidaw and its largest city and former capital city is Yangon (Rangoon).