Belize vs Brunei
Brunei has 10% more people than Belize: 466,330 vs 422,924, a gap of 43,406. Belize is growing faster (+1.39% vs +0.78% a year), adding about 5,893 people a year against +3,623. Using continuous exponential growth from the stated base year, if these rates held, Belize would overtake Brunei in about 16 years (from the 2025 population bases, around 2041) — a projection, not a forecast. Brunei is the older society: 7.2% aged 65+ against 5.2% in Belize, while Belize has more children (26.3% under 15 vs 20.6%). Brunei is 4.8× as densely populated (87.1 vs 18.0 people per km²). People in Brunei live 1.8 years longer on average (75.5 vs 73.7). GDP per capita is 4.1× higher in Brunei ($32,235 vs $7,865).
Country/territory population bases: World Bank 2025 (Belize) and 2025 (Brunei); growth years 2025 / 2025. Annual source values, not live counts; years may differ. Growth is national, not local.
Belize vs Brunei — side by side
 Belize |  Brunei | |
|---|---|---|
| Population | 422,9242025 | 466,3302025 |
| Growth rate / yr | +1.39%2025 | +0.78%2025 |
| Births per 1,000 | 18.12024 | 13.32024 |
| Deaths per 1,000 | 5.02024 | 5.32024 |
| Children per woman | 2.022024 | 1.732024 |
| Life expectancy | 73.7 yrs2024 | 75.5 yrs2024 |
| Aged 0–14 | 26.3%2025 | 20.6%2025 |
| Aged 65+ | 5.2%2025 | 7.2%2025 |
| Density | 18.0 /km²2023 | 87.1 /km²2023 |
| Area | 22,966 km²2023 | 5,770 km²2023 |
| Urban population | 41.6%2025 | 75.0%2025 |
| Net migration / yr | +3602025 | 02025 |
| GDP per capita | $7,8652025 | $32,2352025 |
| Country population rank (available records) | #174 | #173 |
| Base / world population (World Bank 2025) | 0.01% | 0.01% |
Highlighted cell = the higher value (not "better"). Small print under each value is its own data year. Source: World Bank; country/territory population bases may have different years. These are not live counts.
Population since 1960
World Bank population history (not the separate UN WPP timeline). Belize: 4.6× from 1960 to 2025; Brunei: 5.3× from 1960 to 2025. Left: absolute population. Right: each series indexed to its own first available year = 100; baseline years may differ.
More comparisons
Regions: Latin America & Caribbean · East Asia & Pacific · rankings
Belize: Belize vs Maldives, Belize vs Cape Verde, Belize vs Brunei, Belize vs Bahamas, Belize vs Iceland, Belize vs Vanuatu.
Brunei: Brunei vs Malta, Brunei vs Maldives, Brunei vs Cape Verde, Brunei vs Belize, Brunei vs Bahamas, Brunei vs Iceland.
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This page is a structured reference entry. Its sources, geographic definition and reference dates determine what the figures mean; it is not independent reporting about the causes of change. Read the accompanying explanation before comparing different places or vintages.