A side-by-side look at Sri Lanka and Tonga. Fertility is 1.95 births per woman in Sri Lanka (2024) versus 3.10 in Tonga (2024). Population stands at 21.8M (2025) and 103.7K (2025) respectively. GDP per capita at purchasing-power parity is $14.6K versus $7.4K.
| Indicator | Sri Lanka | Tonga |
|---|---|---|
| Fertility rate | 1.95#107 | 3.10#54 |
| Population | 21.8M | 103.7K |
| GDP / capita (PPP) | $14.6K | $7.4K |
Topic pages: Sri Lanka fertility · Tonga fertility · Sri Lanka population · Tonga population
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| # | Country | Value | Year |
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birthrate.io, "Sri Lanka vs Tonga". https://birthrate.io/compare/sri-lanka/tonga (accessed 25 August 2026). Underlying data: World Bank; UN.
Please cite the original statistical agency for the underlying figures. Charts and tables on this page may be reused with attribution.