Bulgaria vs El Salvador
Bulgaria has about the same population as El Salvador: 6,433,302 vs 6,365,503, a gap of 67,799. El Salvador is growing faster (+0.43% vs −0.13% a year), adding about 27,369 people a year against −8,114. Using continuous exponential growth from the stated base year, if these rates held, El Salvador would overtake Bulgaria in about 2 years (from the 2025 population bases, around 2027) — a projection, not a forecast. Bulgaria is the older society: 22.2% aged 65+ against 8.3% in El Salvador, while El Salvador has more children (24.4% under 15 vs 14.4%). El Salvador is 5.1× as densely populated (304.5 vs 59.4 people per km²). People in Bulgaria live 3.5 years longer on average (75.8 vs 72.3). GDP per capita is 3.5× higher in Bulgaria ($20,328 vs $5,767).
Country/territory population bases: World Bank 2025 (Bulgaria) and 2025 (El Salvador); growth years 2025 / 2025. Annual source values, not live counts; years may differ. Growth is national, not local.
Bulgaria vs El Salvador — side by side
 Bulgaria |  El Salvador | |
|---|---|---|
| Population | 6,433,3022025 | 6,365,5032025 |
| Growth rate / yr | −0.13%2025 | +0.43%2025 |
| Births per 1,000 | 8.32024 | 15.62024 |
| Deaths per 1,000 | 15.62024 | 7.52024 |
| Children per woman | 1.722024 | 1.772024 |
| Life expectancy | 75.8 yrs2024 | 72.3 yrs2024 |
| Aged 0–14 | 14.4%2025 | 24.4%2025 |
| Aged 65+ | 22.2%2025 | 8.3%2025 |
| Density | 59.4 /km²2023 | 304.5 /km²2023 |
| Area | 110,997 km²2023 | 21,040 km²2023 |
| Urban population | 74.2%2025 | 75.5%2025 |
| Net migration / yr | -2,9612025 | -23,9342025 |
| GDP per capita | $20,3282025 | $5,7672025 |
| Country population rank (available records) | #111 | #112 |
| Base / world population (World Bank 2025) | 0.08% | 0.08% |
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). Bulgaria: 0.8× from 1960 to 2025; El Salvador: 2.3× 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: Europe & Central Asia · Latin America & Caribbean · rankings
Bulgaria: Bulgaria vs Nicaragua, Bulgaria vs Serbia, Bulgaria vs Republic of the Congo, Bulgaria vs El Salvador, Bulgaria vs Singapore, Bulgaria vs Denmark.
El Salvador: El Salvador vs Serbia, El Salvador vs Republic of the Congo, El Salvador vs Bulgaria, El Salvador vs Singapore, El Salvador vs Denmark, El Salvador vs Lebanon.
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