As of 2025, the population of Gabon is approximately 2.59 million people (2 593 130), making it the 142nd most populous country in the dataset of 217 countries, with a 0.03% share of the combined total.
Over the past five years the population of Gabon changed by +11.65%, and over the past ten years by +27.05%. By five-year growth, Gabon ranks 39th of 217 countries; in terms of momentum, growth is slowing — from +2.62% to +2.23% per year.
| Year | Population | Diff | Diff % | Share of Universe |
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