Urban Development in Tonga
3 indicators covering urban development for Tonga.
| Indicator | Latest | Year | 10-yr change | Rank |
|---|---|---|---|---|
| Population density | 145.27 people per sq. km of land area | 2023 | down 2.3% | 81st |
| PM2.5 air pollution, mean annual exposure | 4.69 micrograms per cubic meter | 2023 | up 1.8% | 190th |
| PM2.5 air pollution, population exposed to levels exceeding WHO guidel | 99.8% | 2017 | down 0.2% | 138th |