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| System of government | constitutional monarchy where monarch personally exercises power |
| Country code | TO, TON |
| Flag | ![]() |
| Capital city | Nuku'alofa |
| Currency | Tongan paanga (TOP) |
| Predominant religion | Protestant Christianity |
| Membership | UN WTO MMF |
| Population | 103 036 people (181. place in the world) |
| Area | 748 km2 (175. place in the world) |
| Density | 138 people per km2 (60. place in the world) |
| GDP per capita | 5 969 USD per capita (129. place in the world) |
| Peacefulness | N/A |
| Corruption | N/A |
| Human development | HDI Human Development Index 0,726 (97. place in the world) |
| Economy freedom | EFI Economy Freedom Index 57,7 (104. place in the world) |
| Life expectancy | 73,2 years (101. place in the world) |
| Income iequality | Gini coefficient 37,6 (82. place in the world) |
| CO2 emissions | 0,136 Mt CO2/year (180. place in the world) |
| CO2 emissions per km2 | 182 t CO2/km2/year (84. place in the world) |
| CO2 emissions per capita | 1,3 t CO2/per capita/year (124. place in the world) |
