Electricity production by source in Tonga
Tonga: Electricity production by source was 14.2% in 2021. ◆ Volatile
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
Tonga recorded 14.2% for electricity production by source in 2021.
The figure is down 0.1% on the previous year and up 4,598.6% over ten years.
Over the whole period, electricity production by source in Tonga peaked at 14.2% in 2020 and was at its lowest, 0.2%, in 2000.
That places Tonga 57th out of 208 countries with data for 2021, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Electricity production by source in Tonga, year by year
| Year | % of total | Change |
|---|---|---|
| 2000 | 0.2% | — |
| 2001 | 0.2% | +3.8% |
| 2002 | 0.3% | +28.0% |
| 2003 | 0.2% | -7.7% |
| 2004 | 0.2% | -3.9% |
| 2005 | 0.2% | -5.6% |
| 2006 | 0.3% | +30.2% |
| 2007 | 0.3% | -2.6% |
| 2008 | 0.3% | +0.2% |
| 2009 | 0.3% | +12.5% |
| 2010 | 0.3% | -0.1% |
| 2011 | 0.3% | -2.1% |
| 2012 | 2.2% | +636.2% |
| 2013 | 5.3% | +139.4% |
| 2014 | 6.8% | +27.3% |
| 2015 | 7.9% | +16.4% |
| 2016 | 8.4% | +6.9% |
| 2017 | 9.3% | +10.5% |
| 2018 | 10.9% | +16.6% |
| 2019 | 12.7% | +16.8% |
| 2020 | 14.2% | +11.9% |
| 2021 | 14.2% | -0.1% |
Tonga compared with similar countries
- Tonga's 14.2% is above the median for upper middle income countries, which is 3.9%, 3.6× the median. (58 countries reporting)
- Tonga's 14.2% is above the median for East Asia & Pacific, which is 7.9%, 1.8× the median. (35 countries reporting)
Biggest year-on-year movements
Years where Electricity production by source in Tonga changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2012 | +636.2% | 0.3% | 2.2% |
| 2013 | +139.4% | 2.2% | 5.3% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 0.2% | 0.2% | 0.3% | 10 |
| 2010s | 6.4% | 0.3% | 12.7% | 10 |
| 2020s | 14.2% | 14.2% | 14.2% | 2 |
Countries ranked near Tonga
- 54 Aruba 14.8% compare
- 55 Vanuatu 14.4% compare
- 56 Faroe Islands 14.4% compare
- 58 United States 14.0% compare
- 59 Philippines 14.0% compare
- 60 Mexico 13.4% 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 electricity production by source in Tonga?
- Electricity production by source in Tonga was 14.2% in 2021, according to IEA Energy Statistics Data Browser, IEA, via World Bank (2026) – processed by Our World in Data.
- What is the highest electricity production by source recorded in Tonga?
- The highest recorded value was 14.2% in 2020.
- What is the lowest electricity production by source recorded in Tonga?
- The lowest recorded value was 0.2% in 2000.
- How does Tonga rank for electricity production by source?
- Tonga ranks 57th out of 208 countries with data for 2021.
- Is electricity production by source rising or falling in Tonga?
- Over the last ten years it is up 4,598.6%. The long-run trend across the full record is volatile.
- 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 Electricity production by source. Statizoid updates them automatically from the source API.
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