page_title: Southeast Asia
section_title: Demographics
hierarchical_section_title: Southeast Asia / Demographics
caption_attribution_description: English: A pie chart showing the population distribution of the countries of Southeast Asia (with Indonesia split into its major islands).
context_page_description: Southeast Asia or Southeastern Asia is the southeastern region of Asia, consisting of the regions that are geographically south of China, east of the Indian subcontinent and north-west of Australia. Southeast Asia is bordered to the north by East Asia, to the west by South Asia and the Bay of Bengal, to the east by Oceania and the Pacific Ocean, and to the south by Australia and the Indian Ocean. The region is the only part of Asia that lies partly within the Southern Hemisphere, although the majority of it is in the Northern Hemisphere. In contemporary definition, Southeast Asia consists of two geographic regions:
  Mainland Southeast Asia, also known historically as Indochina, comprising Cambodia, Laos, Myanmar, Peninsular Malaysia, Thailand and Vietnam.
  Maritime Southeast Asia, also known historically as Nusantara, the East Indies, or the Malay Archipelago, comprising the Andaman and Nicobar Islands, Ashmore and Cartier Islands, Brunei, Christmas Island, the Cocos Islands, East Malaysia, East Timor, Indonesia, the Philippines and Singapore.
  The region lies near the intersection of geological plates, with both heavy seismic and volcanic activities.
context_section_description: Southeast Asia has an area of approximately 4,500,000 square kilometres (1,700,000 sq mi). As of 2018, around 655 million people live in the region, more than a fifth live (143 million) on the Indonesian island of Java, the most densely populated large island in the world. Indonesia is the most populous country with 268 million people, and also the 4th most populous country in the world. The distribution of the religions and people is diverse in Southeast Asia and varies by country. Some 30 million overseas Chinese also live in Southeast Asia, most prominently in Christmas Island, Indonesia, Malaysia, the Philippines, Singapore, and Thailand, and also as the Hoa in Vietnam. People of Southeast Asian origins are known as Southeast Asians or Aseanites.
caption: Population distribution of the countries of Southeast Asia (with Indonesia split into its major islands).
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