As of 2025, the population of Cambodia is approximately 17.85 million people (17 847 982), making it the 72nd most populous country in the dataset of 217 countries, with a 0.22% share of the combined total.
Over the past five years the population of Cambodia changed by +6.71%, and over the past ten years by +14.24%. By five-year growth, Cambodia ranks 88th of 217 countries; in terms of momentum, growth is slowing — from +1.37% to +1.31% per year.
| Year | Population | Diff | Diff % | Share of Universe |
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