Population of Cambodia

As of June 2025, the population of Cambodia is 17.3 million. The number of inhabitants has increased by 169 thousand in the last year, representing a growth of 1.00%. The median age of the population has increased in recent years, rising from 24.2 years in 2015 to 27.6 years in 2025. Currently, life expectancy at birth is 71.8 years and population density is 95.5 inhabitants per square kilometer.

Population Growth

The population growth rate of Cambodia peaked in 1992, reaching around 5.82% annually, but has since declined to approximately 0.98% in 2025. The annual increase in the number of people has also decreased from a peak of around 565.75 thousand in 1992 to nearly 168.82 thousand in 2025.

Life Expectancy

In Cambodia, life expectancy at birth has been increasing, with the indicator rising from 64.3 years in 2005 to 71.8 years in 2025, representing an increase of almost 8 years over the past 2 decades.

Most populous cities in Cambodia

The cities of Cambodia are mostly small, but 4 stand out with more than 100 thousand inhabitants. The most populous city is Phnom Penh, with approximately 1.6 million inhabitants. It is followed by Takeo with 843.9 thousand and Siem Reap with 139.5 thousand.

These are the 20 most populous cities in Cambodia: