As of 2025, the population of Zambia is approximately 21.91 million people (21 913 874), making it the 61st most populous country in the dataset of 217 countries, with a 0.27% share of the combined total.
Over the past five years the population of Zambia changed by +14.98%, and over the past ten years by +33.63%. By five-year growth, Zambia ranks 17th of 217 countries; in terms of momentum, growth is slowing — from +3.05% to +2.83% per year.
| Year | Population | Diff | Diff % | Share of Universe |
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