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.
Share of electricity production by source in Tonga, year by year
| Year | % of total | Change |
|---|---|---|
| 2000 | 99.8% | — |
| 2001 | 99.8% | -0.0% |
| 2002 | 99.7% | -0.1% |
| 2003 | 99.8% | +0.0% |
| 2004 | 99.8% | +0.0% |
| 2005 | 99.8% | +0.0% |
| 2006 | 99.7% | -0.1% |
| 2007 | 99.7% | +0.0% |
| 2008 | 99.7% | -0.0% |
| 2009 | 99.7% | -0.0% |
| 2010 | 99.7% | +0.0% |
| 2011 | 99.7% | +0.0% |
| 2012 | 97.8% | -1.9% |
| 2013 | 94.7% | -3.2% |
| 2014 | 93.2% | -1.5% |
| 2015 | 92.1% | -1.2% |
| 2016 | 91.6% | -0.6% |
| 2017 | 90.7% | -1.0% |
| 2018 | 89.1% | -1.7% |
| 2019 | 87.3% | -2.1% |
| 2020 | 85.8% | -1.7% |
| 2021 | 85.8% | +0.0% |
Tonga compared with similar countries
- Tonga's 85.8% is above the median for upper middle income countries, which is 78.6%, 1.1× the median. (58 countries reporting)
- Tonga's 85.8% is above the median for East Asia & Pacific, which is 80.4%, 1.1× the median. (35 countries reporting)
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
- 63 Malta 86.4% compare
- 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
- Fossil fuel consumption by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2024)
- Primary energy use, annual growth rate 8.74 % change on previous year (2024)
- Coal consumption, per capita 0 terawatt-hours per person (2024)
- Coal consumption, per unit of GDP 0 terawatt-hours per US$ of GDP (2024)
- Primary energy use, per unit of GDP 0 terawatt-hours per US$ of GDP (2024)
- Primary energy use, per capita 0 terawatt-hours per person (2024)
- Coal production, per capita 0 terawatt-hours per person (2024)
- Coal production, per unit of GDP 0 terawatt-hours per US$ of GDP (2024)
- Fossil fuel consumption by fuel, per capita 0 terawatt-hours per person (2024)
- Fuel imports 16.4% (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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