Tonga Climate risk profile and hazard map
- Region
- Oceania
- Subregion
- Polynesia
- Income
- Lower middle income
- ISO
- TON
Tonga: mid-pack overall, with governance the main pressure, easing recently.
Live events
Hourly disaster feed, shown alongside the standing risk below. Open the live mapHow risky is Tonga, overall?
The composite and its five dimensions. Higher means more risk.
Medium 45 / 100
- 18 Climate Very low
- 55 Nature -0.9 Medium
- 34 Social Low
- 64 Governance High
- 55 Adaptation -3.1 Medium
Which hazards threaten Tonga most?
Physical hazard intensity. INFORM Risk Index, 0 to 10.
- 0.0FloodVery low
- 6.6DRR capacityHigh
Tonga in global context
Risk-ranked against its cohorts. Click any country to open its page.
Polynesia
#3 of 3 · median 42Oceania
#8 of 14 · median 43Lower middle income
#12 of 53 · median 49Put two countries head to head
Compare with any neighbour on all risks and their 5-year trajectory.
Indicator panel
Every source-level indicator behind the dimensions above. Sort by score, value, or name.
Renewable Energy Share | 2.30 % of total energy | 98.5 |
Coastal Protection Needed | 95.6 % coast | 94.3 |
Renewable Electricity Share | 14.2 % of total | 85.8 |
Land Surface Temperature | 25.2 deg C change | 60.7 |
Cooling Degree Days | 4102 degree days | 56.2 |
Energy Intensity | 4.03 MJ/$2017 PPP GDP | 23.9 |
N2O Emissions Per Capita | 0.49 kt CO2e per capita | 11.5 |
Access to Clean Fuels | 89.5 % population | 10.5 |
PM2.5 Air Pollution | 12.5 ug/m3 | 9.5 |
CO2 Emissions Per Capita | 1.12 metric tons | 3.5 |
Flood Risk | 0.00 0-10 | 0.0 |
Heating Degree Days | 0.00 degree days | 0.0 |
Heat Index | 0.00 index | 0.0 |
Coal Electricity Share | 0.00 % of total | 0.0 |
Dependency Ratio | 1.00 0-1 | 100.0 |
Ecological Footprint | 1.00 0-1 | 100.0 |
Projected Sea Level Rise Impact | 1.00 0-1 | 100.0 |
Population Below 5m | 1.00 0-1 | 100.0 |
Protected Areas | 0.10 % of land | 99.9 |
Agricultural Capacity | 0.96 0-1 | 96.0 |
Projected Cereal Yield Change | 0.89 0-1 | 89.2 |
Projected Marine Biodiversity Loss | 0.89 0-1 | 88.6 |
Forest Area | 12.4 % of land | 86.8 |
Health Expenditure Per Capita | 0.83 0-1 | 83.5 |
Rural Population | 0.83 0-1 | 82.8 |
Environmental Treaties Engagement | 0.81 0-1 | 80.6 |
Food Production Index | 97.8 index | 74.9 |
Paved Roads | 0.74 0-1 | 73.6 |
Projected Warm Period Change | 0.73 0-1 | 73.1 |
Access to Reliable Drinking Water | 0.71 0-1 | 71.5 |
Earthquake Risk | 7.10 0-10 | 71.0 |
Age Dependency Ratio | 0.70 0-1 | 69.6 |
Access to Improved Sanitation | 0.69 0-1 | 68.7 |
Projected Vector Disease Change | 0.66 0-1 | 65.8 |
Agricultural Land | 48.6 % of land | 57.3 |
Tsunami Risk | 5.70 0-10 | 57.0 |
Disaster Preparedness | 0.50 0-1 | 50.0 |
Agriculture GDP Share | 17.5 % of GDP | 48.7 |
Protected Biome Areas | 0.45 0-1 | 44.6 |
Food Import Dependency | 0.43 0-1 | 43.1 |
Natural Capital Dependency | 0.30 0-1 | 30.4 |
Projected Groundwater Change | 0.25 0-1 | 24.9 |
Projected Population Change | 0.20 0-1 | 20.2 |
Projected Flood Hazard Change | 0.19 0-1 | 19.4 |
Urban Concentration | 0.17 0-1 | 17.2 |
Projected Climate-Related Deaths | 0.09 0-1 | 9.1 |
Child Malnutrition | 0.05 0-1 | 4.5 |
Threatened Mammal Species | 2.00 count | 1.0 |
Forest Depletion | 0.04 % of GNI | 0.2 |
Natural Resource Depletion | 0.04 % of GNI | 0.1 |
Water Dependency Ratio | 0.00 0-1 | 0.0 |
Electricity Access | 0.00 0-1 | 0.0 |
Overweight Adults | 90.4 % adults | 100.0 |
Aid Dependency | 9.00 0-10 | 90.0 |
Safe Drinking Water | 29.5 % population | 75.1 |
Sanitation Access | 32.0 % population | 69.8 |
Education Expenditure | 8.44 % of govt | 67.4 |
Net Migration | -2173 persons | 55.0 |
Labor Participation | 54.5 % (15+) | 52.6 |
GDP Growth | 2.08 % annual | 50.2 |
Unmet Contraception Need | 21.8 % | 49.9 |
Internet Users | 58.5 % population | 46.7 |
Fertility Rate | 3.13 births per woman | 44.5 |
Life Expectancy | 72.9 years | 42.2 |
Gender Labor Ratio | 64.9 ratio F/M | 40.8 |
School Gender Parity | 1.05 ratio | 38.7 |
Primary School Enrollment | 103 % gross | 38.3 |
Food Security | 3.80 0-10 | 38.0 |
Poverty Rate (National) | 20.6 % population | 23.7 |
Development and Deprivation | 2.30 0-10 | 23.0 |
Health Conditions | 1.90 0-10 | 19.0 |
Communicable Disease Deaths | 11.1 % | 15.3 |
Aging Population | 6.60 % population | 14.5 |
ESG Performance Score | 2.43 0-100 | 12.9 |
Income Share Bottom 20% | 9.30 % | 12.7 |
Gini Coefficient | 27.1 0-100 | 9.7 |
Under-5 Mortality Rate | 9.90 per 1,000 | 7.5 |
Unemployment Rate | 2.26 % | 6.1 |
Children Under 5 | 0.50 0-10 | 5.0 |
Adult Literacy Rate | 99.4 % | 1.0 |
Population Density | 146 people/km2 | 0.8 |
Recent Shocks | 0.00 0-10 | 0.0 |
Uprooted People | 0.00 0-10 | 0.0 |
Access to Electricity | 100 % population | 0.0 |
Scientific Articles | 4.63 count | 100.0 |
Women in Parliament | 7.14 % seats | 88.3 |
Disaster Risk Reduction | 6.60 0-10 | 66.0 |
Regulatory Quality | -0.39 -2.5 to +2.5 | 57.9 |
Control of Corruption | -0.31 -2.5 to +2.5 | 56.2 |
Government Effectiveness | -0.12 -2.5 to +2.5 | 52.3 |
INFORM Governance Index | 5.10 0-10 | 51.0 |
Healthcare Access | 4.20 0-10 | 42.0 |
Rule of Law | 0.55 -2.5 to +2.5 | 39.0 |
Voice and Accountability | 0.87 -2.5 to +2.5 | 32.6 |
Political Stability | 1.09 -2.5 to +2.5 | 28.2 |
Communication Infrastructure | 2.60 0-10 | 26.0 |
Legal Rights Strength | 10.0 0-12 | 16.7 |
Physical Infrastructure | 0.30 0-10 | 3.0 |
Education (Readiness) | 0.31 0-1 | 69.4 |
Control of Corruption (Readiness) | 0.35 0-1 | 64.6 |
Rule of Law (Readiness) | 0.43 0-1 | 57.3 |
ICT Infrastructure | 0.44 0-1 | 55.8 |
Doing Business Score | 0.45 0-1 | 55.2 |
Regulatory Quality (Readiness) | 0.62 0-1 | 38.3 |
Political Stability (Readiness) | 0.76 0-1 | 24.3 |
These indicators have site-level resolution. Score your exact location.
Score a site in Tonga →But what about your location?
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Where exactly?
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Common questions
Answer-first, drawn from the same data above.
How risky is Tonga?
Tonga: mid-pack overall, with governance the main pressure, easing recently. Its overall risk score is 45 out of 100 (medium), blended from World Bank, INFORM Risk Index and ND-GAIN Country Index.
What drives Tonga's risk?
Tonga's highest pressures are governance (64, high) and nature (55). Its strongest area is climate (18).
When was Tonga's risk data last updated?
Updated September 2026, drawing on World Bank, INFORM Risk Index and ND-GAIN Country Index.