As of 2025, the population of Montenegro is approximately 0.62 million people (623 129), making it the 169th most populous country in the dataset of 217 countries, with a 0.01% share of the combined total.
Over the past five years the population of Montenegro changed by -0.55%, and over the past ten years by -0.24%. By five-year growth, Montenegro ranks 183rd of 217 countries; in terms of momentum, the decline is accelerating — from +0.06% to -0.11% per year.
| Year | Population | Diff | Diff % | Share of Universe |
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