47 cities · 5 states/provinces · Capital: Nuku'alofa · Oceania
| Capital | Nuku'alofa |
| Continent | Oceania |
| Region | Oceania |
| Subregion | Polynesia |
| Languages | English, Tongan |
| Currency | Pa'anga (TOP) |
| Population | 103,197 |
| Density | 138.0/km² |
| Median Age | 25.9 |
| Urban Population | 21.2% |
| Birth Rate | 23.1 per 1K |
| Death Rate | 6.4 per 1K |
| Fertility Rate | 3.13 |
| GDP | $0.6 billion |
| GDP per Capita | $5,652 |
| HDI | 0.769 |
| Gini Index | 37.6 |
| Internet Users | 58.5% |
| Area | 748 km² |
| Driving Side | Left |
| Landlocked | No |
| Calling Code | ++676 |
| TLD | .to |
| ISO Code | TO / TON |
| UN Member | Yes |
| Independent | Yes |
| Life Expectancy | 72.9 years |
| # | City | State/Province | Population | Avg Temp | Elevation |
|---|---|---|---|---|---|
| 1 | Nuku‘alofa | Tongatapu | 22,400 | 76°F | 3 ft |
| 2 | Mu‘a | Tongatapu | 3,900 | 76°F | 30 ft |
| 3 | Neiafu | Vava‘u | 3,825 | 78°F | 3 ft |
| 4 | Haveluloto | Tongatapu | 3,473 | 76°F | 16 ft |
| 5 | Tofoa-Koloua | Tongatapu | 3,467 | 76°F | 3 ft |
| 6 | Vainī | Tongatapu | 3,295 | 76°F | 30 ft |
| 7 | Ha'ateiho | Tongatapu | 2,627 | 76°F | 23 ft |
| 8 | Popua | Tongatapu | 2,335 | 76°F | 3 ft |
| 9 | Nukunuku | Tongatapu | 2,104 | 76°F | 30 ft |
| 10 | Fangale’ounga | Ha‘apai | 2,016 | 77°F | 46 ft |
| 11 | Pea | Tongatapu | 1,991 | 76°F | 13 ft |
| 12 | Lapaha | Tongatapu | 1,974 | 76°F | 26 ft |
| 13 | Houma | Tongatapu | 1,932 | 76°F | 79 ft |
| 14 | Tatakamotonga | Tongatapu | 1,840 | 76°F | 30 ft |
| 15 | Pangai | Ha‘apai | 1,738 | 77°F | 20 ft |
| 16 | Fua'amotu | Tongatapu | 1,675 | 75°F | 217 ft |
| 17 | 'Ohonua | ʻEua | 1,466 | 74°F | 66 ft |
| 18 | Leimātu'a | Vava‘u | 1,425 | 78°F | 272 ft |
| 19 | Veitongo | Tongatapu | 1,411 | 76°F | 46 ft |
| 20 | Hōfoa | Tongatapu | 1,404 | 76°F | 36 ft |