As of 2025, the population of Oman is approximately 5.49 million people (5 494 691), making it the 120th most populous country in the dataset of 217 countries, with a 0.07% share of the combined total.
Over the past five years the population of Oman changed by +21.50%, and over the past ten years by +31.30%. By five-year growth, Oman ranks 5th of 217 countries; in terms of momentum, growth is accelerating — from +1.56% to +3.97% per year.
| Year | Population | Diff | Diff % | Share of Universe |
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