Cambodia Population 2017
Cambodia has an estimated population of 15.67 million, up from the official 2008 census population of 13.38 million. Cambodia has a population density of 82 people per square kilometer (212/square mile), which ranks 118th in the world.
The largest city and capital is Phnom Penh, with a population of 1.4 million, or 2.2 million in the metropolitan area. The next largest city is Battambang, with a population not yet reaching 200,000.
90% of Cambodia's population is of Khmer origin, speaking the Khmer language. The population of Cambodia is fairly homogeneous with other ethnic groups being Vietnamese (5%) and Chinese (1%). The demographics of the country are very affected by the civil war and later genocide, and 50% of the population is under 22 years old. It also has the most female-biased sex ratio in the region.
Over 95% of the population practices Theravada Buddhism, the official religion, with an estimated 4,400 monastery temples in the country. Islam is the main religion of the majority of Malay and Chams minorities in the country, while most Muslims are Sunnis. There are approximately 300,000 Muslims in Cambodia, with about 1% identified as Christian.