As of 2025, the population of St. Vincent and the Grenadines is approximately 0.10 million people (99 924), making it the 194th most populous country in the dataset of 217 countries, with a 0.00% share of the combined total.
Over the past five years the population of St. Vincent and the Grenadines changed by -3.48%, and over the past ten years by -6.58%. By five-year growth, St. Vincent and the Grenadines ranks 206th of 217 countries; in terms of momentum, the decline is accelerating — from -0.65% to -0.71% per year.
| Year | Population | Diff | Diff % | Share of Universe |
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