18,051,219
As of Jan 1, 2026 - Source
Cambodia's population is projected to be 22,908,587 by 2097.
Historical
Switch the toggle to see projected data.
| Year ↓ | Population | Change | Pop. Rank |
|---|---|---|---|
| 2026 | 18,051,219 | 1.24% | 73 |
| 2025 | 17,847,982 | 1.31% | 73 |
| 2020 | 16,725,474 | 1.48% | 72 |
| 2019 | 16,481,304 | 1.27% | 71 |
| 2018 | 16,274,522 | 1.25% | 70 |
| 2017 | 16,073,372 | 1.39% | 70 |
| 2015 | 15,623,251 | 1.5% | 70 |
| 2010 | 14,500,726 | 1.53% | 68 |
| 2005 | 13,439,202 | 1.52% | 67 |
| 2000 | 12,462,336 | 4.46% | 64 |
| Year ↑ | Population | Change | Pop. Rank |
|---|---|---|---|
| 2026 | 18,051,219 | 1.24% | 73 |
| 2032 | 19,193,351 | 1.01% | 72 |
| 2037 | 20,055,504 | 0.88% | 72 |
| 2042 | 20,848,376 | 0.78% | 72 |
| 2047 | 21,558,221 | 0.67% | 73 |
| 2052 | 22,155,645 | 0.55% | 73 |
| 2057 | 22,625,409 | 0.42% | 73 |
| 2062 | 22,977,428 | 0.31% | 73 |
| 2067 | 23,207,958 | 0.2% | 73 |
| 2072 | 23,336,581 | 0.11% | 72 |
55K
100K
250K
500K
750K
1M
2.5M
Phnom Penh has a metropolitan area population of 2,542,893, comprising 14.09%% of Cambodia's total population.
| Rank | City | 2026 Pop. ↓ | % of National Pop. |
|---|---|---|---|
| 1 | Phnom Penh | 2,542,893 | 14.09% |
| 2 | Siem Reap | 259,631 | 1.44% |
| 3 | Battambang | 144,961 | 0.8% |
| 4 | Ta Khmau | 99,248 | 0.55% |
| 5 | Poipet | 91,205 | 0.51% |
| 6 | Sisophon | 80,478 | 0.45% |
| 7 | Preah Sihanouk | 72,317 | 0.4% |
| 8 | Kampong Thom | 63,004 | 0.35% |
| 9 | Pouthisat | 62,747 | 0.35% |
| 10 | Takev | 55,427 | 0.31% |
As of 2026, Cambodia has a total population of 18,051,219, ranking as the 73rd most populous nation in the world.
Cambodia has a net population change of approximately 546 people per day, driven by 965 births, 325 deaths, and net emigration of 94 people.
Cambodia represents 0.23% of the total global population and 0.36% of Asia's population.
Cambodia has a population density of 102.3 people per km² (approximately 264.9 per mi²), making it the 113th most densely populated country in the world.
Currently, 24.74% of the population resides in urban areas, a figure that is increasing annually.
*Rates last updated: June 8, 2026
As of 2026, the largest ethnicity in Cambodia is Khmer (95.4%) , followed by Cham (2.4%) .
As of 2026, Buddhist (official) is the largest religion in Cambodia, comprising 97.1% of the population.