As of 2025, the population of Nigeria is approximately 237.53 million people (237 527 782), making it the 6th most populous country in the dataset of 217 countries, with a 2.90% share of the combined total.
Over the past five years the population of Nigeria changed by +11.00%, and over the past ten years by +24.57%. By five-year growth, Nigeria ranks 44th of 217 countries; in terms of momentum, growth is slowing — from +2.33% to +2.11% per year.
| Year | Population | Diff | Diff % | Share of Universe |
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