Share of electricity production by source in Tonga
Tonga: Share of electricity production by source was 85.8% in 2021. ▼ Falling
Share of electricity production by source in Tonga, 2000–2021
Source: IEA Energy Statistics Data Browser, IEA, via World Bank (2026) – processed by Our World in Data. Measured in % of total.
Analysis
In 2021, share of electricity production by source in Tonga stood at 85.8%.
Compared with earlier readings it is down 13.9% over ten years.
Over the whole period, share of electricity production by source in Tonga peaked at 99.8% in 2000 and was at its lowest, 85.8%, in 2020.
That places Tonga 66th out of 208 countries with data for 2021, putting it in the middle of the range.
The long-run direction has been consistently falling across the 22 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 99.8% | 99.7% | 99.8% | 10 |
| 2010s | 93.6% | 87.3% | 99.7% | 10 |
| 2020s | 85.8% | 85.8% | 85.8% | 2 |
Countries ranked near Tonga
- 64 Senegal 86.0% compare
- 65 Burkina Faso 86.0% compare
- 67 Aruba 85.2% compare
- 68 South Africa 85.1% compare
- 69 Saint Vincent and the Grenadines 85.0% compare
More energy & mining data for Tonga
- Fuel imports 16.4% (2023)
- Ores and metals imports 0.6% (2023)
- Ores and metals exports 1.0% (2023)
- Gas production 0 terawatt-hours (2024)
- Fossil fuel production per person, by fuel 0 kilowatt-hours per person (2024)
- Fossil fuel production by fuel 0 terawatt-hours (2024)
- Gas production per person 0 kilowatt-hours per person (2024)
- Fuel exports 0.0% (2023)
- Share of dietary energy supply from carbohydrates vs. GDP per capita 46.6% (2023)
- Share of dietary energy derived from protein vs. GDP per capita 16.9% (2023)
Frequently asked questions
- What is share of electricity production by source in Tonga?
- Share of electricity production by source in Tonga was 85.8% in 2021, according to IEA Energy Statistics Data Browser, IEA, via World Bank (2026) – processed by Our World in Data.
- What is the highest share of electricity production by source recorded in Tonga?
- The highest recorded value was 99.8% in 2000.
- What is the lowest share of electricity production by source recorded in Tonga?
- The lowest recorded value was 85.8% in 2020.
- How does Tonga rank for share of electricity production by source?
- Tonga ranks 66th out of 208 countries with data for 2021.
- Is share of electricity production by source rising or falling in Tonga?
- Over the last ten years it is down 13.9%. The long-run trend across the full record is falling.
- Where does this Tonga data come from?
- The figures come from IEA Energy Statistics Data Browser, IEA, via World Bank (2026) – processed by Our World in Data, published as part of Share of electricity production by source. Statizoid updates them automatically from the source API.
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CSV · JSON — 22 observations, free to reuse under CC BY 4.0 (Our World in Data).