Ninety percent of Cambodia's population is ethnically Cambodian. Other ethnic groups include Chinese, Vietnamese, hill tribes, Chams, and Laotian. Theravada Buddhism is the religion of 95% of the population; Islam, animism, and Christianity also are practiced. Khmer is the official language and is spoken by more than 95% of the population. Some French is still spoken in urban areas, and English is increasingly popular as a second language.

Nationality: Noun and adjective--Cambodian(s), Khmer.
Population (2008 census): 13.4 million.
Avg. annual growth rate (2008 census) 1.54%.
Health: Infant mortality rate--58/1,000. Life expectancy--59 years male; 63 years female.
Ethnic groups: Cambodian 90%; Vietnamese 5%; Chinese 1%; others 4%: small numbers of hill tribes, Chams, and Laotian.
Religions: Theravada Buddhism 95%; Islam; animism; Christian.
Languages: Khmer (official) spoken by more than 95% of the population; some French still spoken in urban areas; English increasingly popular as a second language.
Education: Years compulsory--nine years. Enrollment--primary school, 92.2%; grades 7 to 9, 34%; grades 10 to 12, 13%; and tertiary, 7%. Completion rates--primary school, 48%; lower secondary school, 21%; upper secondary school, 9%; university, 6%. Literacy (total population over 15 that can read and write, 2007)--74% (male 85%; female 64%).