Mongolia vs Puerto Rico
Mongolia has 12% more people than Puerto Rico: 3,568,978 vs 3,184,835, a gap of 384,143. Mongolia is growing faster (+1.25% vs −0.55% a year), adding about 44,466 people a year against −17,637. At these source-year rates the modelled relative population gap is widening. Puerto Rico is the older society: 25.3% aged 65+ against 5.4% in Mongolia, while Mongolia has more children (31.6% under 15 vs 11.2%). Puerto Rico is 161.7× as densely populated (361.2 vs 2.2 people per km²). People in Puerto Rico live 9.5 years longer on average (81.9 vs 72.4). GDP per capita is 5.7× higher in Puerto Rico ($40,620 vs $7,108).
Country/territory population bases: World Bank 2025 (Mongolia) and 2025 (Puerto Rico); growth years 2025 / 2025. Annual source values, not live counts; years may differ. Growth is national, not local.
Mongolia vs Puerto Rico — side by side
 Mongolia |  Puerto Rico | |
|---|---|---|
| Population | 3,568,9782025 | 3,184,8352025 |
| Growth rate / yr | +1.25%2025 | −0.55%2025 |
| Births per 1,000 | 16.92024 | 5.72024 |
| Deaths per 1,000 | 5.52024 | 10.32024 |
| Children per woman | 2.502024 | 0.922024 |
| Life expectancy | 72.4 yrs2024 | 81.9 yrs2024 |
| Aged 0–14 | 31.6%2025 | 11.2%2025 |
| Aged 65+ | 5.4%2025 | 25.3%2025 |
| Density | 2.2 /km²2023 | 361.2 /km²2023 |
| Area | 1,564,116 km²2023 | 8,870 km²2023 |
| Urban population | 71.1%2025 | 94.3%2025 |
| Net migration / yr | +792025 | +5,4952025 |
| GDP per capita | $7,1082025 | $40,6202025 |
| Country population rank (available records) | #132 | #134 |
| Base / world population (World Bank 2025) | 0.04% | 0.04% |
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). Mongolia: 3.7× from 1960 to 2025; Puerto Rico: 1.4× 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: East Asia & Pacific · Latin America & Caribbean · rankings
Mongolia: Mongolia vs Georgia, Mongolia vs Croatia, Mongolia vs Eritrea, Mongolia vs Uruguay, Mongolia vs Puerto Rico, Mongolia vs Bosnia and Herzegovina.
Puerto Rico: Puerto Rico vs Eritrea, Puerto Rico vs Mongolia, Puerto Rico vs Uruguay, Puerto Rico vs Bosnia and Herzegovina, Puerto Rico vs Namibia, Puerto Rico vs Armenia.
Compare anything
Pick any two. The result renders instantly from the same live data as the map, and the URL updates so you can share it.
What changed during your lifetime?
Turn these figures into a private, five-scene personal world story.
Compare like with like
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.