Annual change in primary energy use in Tonga
Tonga: Annual change in primary energy use was 0.0741 terawatt-hours in 2024. ◆ Volatile
Annual change in primary energy use in Tonga, 1981–2024
Source: Energy Institute – Statistical Review of World Energy (2026); U.S. Energy Information Administration (2026) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
The most recent figure for annual change in primary energy use in Tonga is 0.0741 terawatt-hours, measured in 2024.
The figure is down 19.6% on the previous year and up 584.9% over ten years.
Over the whole period, annual change in primary energy use in Tonga peaked at 0.1562 terawatt-hours in 2012 and was at its lowest, -0.1468 terawatt-hours, in 2018.
Tonga ranks 126th of 219 countries on this measure, in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Annual change in primary energy use in Tonga, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1981 | 0.0612 terawatt-hours | — |
| 1982 | 0 terawatt-hours | -100.0% |
| 1983 | 0 terawatt-hours | — |
| 1984 | 0.0005 terawatt-hours | — |
| 1985 | -0.0005 terawatt-hours | -200.0% |
| 1986 | -0.0699 terawatt-hours | +13728.4% |
| 1987 | 0.1396 terawatt-hours | -299.6% |
| 1988 | 0.0637 terawatt-hours | -54.4% |
| 1989 | 0.0748 terawatt-hours | +17.5% |
| 1990 | 0 terawatt-hours | -100.0% |
| 1991 | 0.0062 terawatt-hours | — |
| 1992 | -0.0196 terawatt-hours | -417.2% |
| 1993 | -0.0008 terawatt-hours | -95.8% |
| 1994 | 0.1359 terawatt-hours | -16533.6% |
| 1995 | -0.0495 terawatt-hours | -136.4% |
| 1996 | 0.0635 terawatt-hours | -228.3% |
| 1997 | 0.0245 terawatt-hours | -61.3% |
| 1998 | 0.0093 terawatt-hours | -62.2% |
| 1999 | 0 terawatt-hours | -99.9% |
| 2000 | -0.1241 terawatt-hours | -1285649.3% |
| 2001 | -0.0435 terawatt-hours | -64.9% |
| 2002 | 0.0333 terawatt-hours | -176.5% |
| 2003 | 0.0993 terawatt-hours | +198.5% |
| 2004 | -0.039 terawatt-hours | -139.2% |
| 2005 | 0.0317 terawatt-hours | -181.4% |
| 2006 | 0.0649 terawatt-hours | +104.9% |
| 2007 | -0.0842 terawatt-hours | -229.6% |
| 2008 | 0.04 terawatt-hours | -147.5% |
| 2009 | 0.0462 terawatt-hours | +15.4% |
| 2010 | -0.0285 terawatt-hours | -161.8% |
| 2011 | -0.0376 terawatt-hours | +31.8% |
| 2012 | 0.1562 terawatt-hours | -515.4% |
| 2013 | 0.1328 terawatt-hours | -15.0% |
| 2014 | 0.0108 terawatt-hours | -91.9% |
| 2015 | -0.0022 terawatt-hours | -120.3% |
| 2016 | 0.1338 terawatt-hours | -6185.6% |
| 2017 | 0.1093 terawatt-hours | -18.3% |
| 2018 | -0.1468 terawatt-hours | -234.3% |
| 2019 | -0.0283 terawatt-hours | -80.7% |
| 2020 | -0.0896 terawatt-hours | +216.5% |
| 2021 | 0.0028 terawatt-hours | -103.1% |
| 2022 | -0.0439 terawatt-hours | -1656.6% |
| 2023 | 0.0921 terawatt-hours | -309.8% |
| 2024 | 0.0741 terawatt-hours | -19.6% |
Tonga compared with similar countries
- Tonga's 0.0741 terawatt-hours is below the median for upper middle income countries, which is 0.5628 terawatt-hours, 13% of the median. (57 countries reporting)
- Tonga's 0.0741 terawatt-hours is below the median for East Asia & Pacific, which is 0.2174 terawatt-hours, 34% of the median. (35 countries reporting)
Biggest year-on-year movements
Years where Annual change in primary energy use 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 |
|---|---|---|---|
| 2000 | -1285649.3% | 0 terawatt-hours | -0.1241 terawatt-hours |
| 1994 | +16533.6% | -0.0008 terawatt-hours | 0.1359 terawatt-hours |
| 1986 | -13728.4% | -0.0005 terawatt-hours | -0.0699 terawatt-hours |
| 2016 | +6185.6% | -0.0022 terawatt-hours | 0.1338 terawatt-hours |
| 2022 | -1656.6% | 0.0028 terawatt-hours | -0.0439 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 0.0299 terawatt-hours | -0.0699 terawatt-hours | 0.1396 terawatt-hours | 9 |
| 1990s | 0.0169 terawatt-hours | -0.0495 terawatt-hours | 0.1359 terawatt-hours | 10 |
| 2000s | 0.0025 terawatt-hours | -0.1241 terawatt-hours | 0.0993 terawatt-hours | 10 |
| 2010s | 0.0299 terawatt-hours | -0.1468 terawatt-hours | 0.1562 terawatt-hours | 10 |
| 2020s | 0.0071 terawatt-hours | -0.0896 terawatt-hours | 0.0921 terawatt-hours | 5 |
Countries ranked near Tonga
- 123 Guinea-Bissau 0.0813 terawatt-hours compare
- 124 Liberia 0.0781 terawatt-hours compare
- 125 Sao Tome and Principe 0.0771 terawatt-hours compare
- 127 Western Sahara 0.0713 terawatt-hours compare
- 128 Vanuatu 0.0702 terawatt-hours compare
- 129 Gambia 0.0688 terawatt-hours 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)
- Coal production, per capita 0 terawatt-hours per person (2024)
- Coal production, per unit of GDP 0 terawatt-hours per US$ of GDP (2024)
- Primary energy use, per capita 0 terawatt-hours per person (2024)
- Fuel imports 16.4% (2023)
- Ores and metals imports 0.6% (2023)
Frequently asked questions
- What is annual change in primary energy use in Tonga?
- Annual change in primary energy use in Tonga was 0.0741 terawatt-hours in 2024, according to Energy Institute – Statistical Review of World Energy (2026); U.S. Energy Information Administration (2026) – with major processing by Our World in Data.
- What is the highest annual change in primary energy use recorded in Tonga?
- The highest recorded value was 0.1562 terawatt-hours in 2012.
- What is the lowest annual change in primary energy use recorded in Tonga?
- The lowest recorded value was -0.1468 terawatt-hours in 2018.
- How does Tonga rank for annual change in primary energy use?
- Tonga ranks 126th out of 219 countries with data for 2024.
- Is annual change in primary energy use rising or falling in Tonga?
- Over the last ten years it is up 584.9%. The long-run trend across the full record is volatile.
- Where does this Tonga data come from?
- The figures come from Energy Institute – Statistical Review of World Energy (2026); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as part of Annual change in primary energy use. Statizoid updates them automatically from the source API.
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About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.