Tonga
MULTIPOLYGON (((-174.910858 -21.42667, -174.917267 -21.45417, -174.924469 -21.452225, -174.933929 -21.44611, -174.96582 -21.417778, -174.973602 -21.39139, -174.974701 -21.365833, -174.973907 -21.358894, -174.970551 -21.35389, -174.935272 -21.324722, -174.911438 -21.30611, -174.910858 -21.42667)), ((-175.145844 -21.17806, -175.141693 -21.17862, -175.13504 -21.173058, -175.131958 -21.16305, -175.131958 -21.15528, -175.129456 -21.144726, -175.123322 -21.135, -175.119476 -21.1325, -175.107239 -21.128059, -175.093628 -21.125, -175.07309 -21.12417, -175.066986 -21.124725, -175.060822 -21.127228, -175.050293 -21.134445, -175.047241 -21.13944, -175.045563 -21.14583, -175.046417 -21.1525, -175.051697 -21.161671, -175.118042 -21.26028, -175.123627 -21.263889, -175.13504 -21.26778, -175.145294 -21.26806, -175.186401 -21.252785, -175.314453 -21.18, -175.323639 -21.17444, -175.336426 -21.161671, -175.35141 -21.14333, -175.356934 -21.133888, -175.358032 -21.12944, -175.360535 -21.1025, -175.359467 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The page has the score and ranking breakdown per indicator for Tonga. Clicking on an indicator name will take you to that indicator's score/rankings page for all countries in the EPI.
Environmental Performance Index
| Current Rank | Current Score | Baseline Rank | Baseline Score | |
|---|---|---|---|---|
| Environmental Performance Index | 57 | 62.49 | 51 | 60.12 |
Environmental Health
| Current Rank | Current Score | Baseline Rank | Baseline Score | |
|---|---|---|---|---|
| Environmental Health | 91 | 62.51 | 91 | 60.05 |
| Current Rank | Current Score | Baseline Rank | Baseline Score | |
|---|---|---|---|---|
| Air Quality | 87 | 68.96 | 90 | 66.44 |
| Household Solid Fuels | 117 | 22.41 | 113 | 16.11 |
| PM2.5 Exposure | 1 | 100.00 | 1 | 100.00 |
| PM2.5 Exceedance | 1 | 100.00 | 1 | 100.00 |
| Current Rank | Current Score | Baseline Rank | Baseline Score | |
|---|---|---|---|---|
| Water and Sanitation | 98 | 46.97 | 95 | 44.66 |
| Drinking Water | 101 | 45.63 | 94 | 44.44 |
| Sanitation | 95 | 48.30 | 93 | 44.89 |
| Current Rank | Current Score | Baseline Rank | Baseline Score | |
|---|---|---|---|---|
| Heavy Metals | 38 | 71.83 | 31 | 69.25 |
| Lead Exposure | 38 | 71.83 | 31 | 69.25 |
Ecosystem Vitality
| Current Rank | Current Score | Baseline Rank | Baseline Score | |
|---|---|---|---|---|
| Ecosystem Vitality | 41 | 62.48 | 46 | 60.18 |
| Current Rank | Current Score | Baseline Rank | Baseline Score | |
|---|---|---|---|---|
| Biodiversity and Habitat | 71 | 82.75 | 61 | 80.80 |
| Marine Protected Areas | 58 | 86.11 | 39 | 86.10 |
| Biome Protection (Global) | 1 | 100.00 | 46 | 97.91 |
| Biome Protection (National) | 1 | 100.00 | 45 | 97.91 |
| Species Protection Index | -- | -- | -- | -- |
| Representativeness Index | 163 | 7.06 | 170 | 1.77 |
| Species Habitat Index | -- | -- | -- | -- |
| Current Rank | Current Score | Baseline Rank | Baseline Score | |
|---|---|---|---|---|
| Forests | -- | -- | -- | -- |
| Tree Cover Loss | -- | -- | -- | -- |
| Current Rank | Current Score | Baseline Rank | Baseline Score | |
|---|---|---|---|---|
| Fisheries | 10 | 76.86 | 1 | 98.63 |
| Fish Stock Status | 105 | 53.71 | 10 | 97.26 |
| Regional Marine Trophic Index | 1 | 100.00 | 1 | 100.00 |
| Current Rank | Current Score | Baseline Rank | Baseline Score | |
|---|---|---|---|---|
| Climate and Energy | 92 | 49.38 | 136 | 34.58 |
| CO2 Emissions Intensity – Total | 66 | 54.80 | 124 | 36.95 |
| CO2 Emissions Intensity – Power | -- | -- | -- | -- |
| Methane Emissions Intensity | 155 | 34.84 | 124 | 22.37 |
| N2O Emissions Intensity | 170 | 16.58 | 151 | 15.42 |
| Black Carbon Emissions Intensity | 41 | 64.38 | 36 | 69.38 |
| Current Rank | Current Score | Baseline Rank | Baseline Score | |
|---|---|---|---|---|
| Air Pollution | 48 | 63.12 | 38 | 69.92 |
| SO2 Emissions Intensity | 52 | 65.15 | 46 | 69.04 |
| NOX Emissions Intensity | 47 | 61.09 | 32 | 70.79 |
| Current Rank | Current Score | Baseline Rank | Baseline Score | |
|---|---|---|---|---|
| Water Resources | 108 | 58.45 | 108 | 58.45 |
| Wastewater Treatment | 108 | 58.45 | 108 | 58.45 |
| Current Rank | Current Score | Baseline Rank | Baseline Score | |
|---|---|---|---|---|
| Agriculture | 138 | 17.69 | 138 | 17.69 |
| Sustainable Nitrogen Management | 138 | 17.69 | 138 | 17.69 |