Annual percentage change in primary energy from hydropower in Algeria
Algeria: Annual percentage change in primary energy from hydropower was -29.3% in 2025. ◆ Volatile
Annual percentage change in primary energy from hydropower in Algeria, 1966–2025
Source: Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data. Measured in %.
Analysis
In 2025, annual percentage change in primary energy from hydropower in Algeria stood at -29.3%.
Compared with earlier readings it is down 170.8% on the previous year and down 17.9% over ten years.
Over the whole period, annual percentage change in primary energy from hydropower in Algeria peaked at 364.9% in 2003 and was at its lowest, -81.2%, in 2021.
Algeria ranks 64th of 71 countries on this measure, in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Annual percentage change in primary energy from hydropower in Algeria, year by year
| Year | % | Change |
|---|---|---|
| 1966 | -11.2% | — |
| 1967 | 15.5% | -237.7% |
| 1968 | 37.3% | +140.9% |
| 1969 | -35.9% | -196.1% |
| 1970 | 60.7% | -269.1% |
| 1971 | -43.1% | -171.1% |
| 1972 | 50.0% | -216.0% |
| 1973 | 51.9% | +3.8% |
| 1974 | -33.9% | -165.3% |
| 1975 | -34.0% | +0.3% |
| 1976 | 18.6% | -154.7% |
| 1977 | -30.8% | -265.9% |
| 1978 | -7.1% | -77.1% |
| 1979 | 16.4% | -332.2% |
| 1980 | -11.7% | -171.2% |
| 1981 | 42.4% | -463.0% |
| 1982 | 30.9% | -27.2% |
| 1983 | -50.9% | -265.0% |
| 1984 | 92.3% | -281.3% |
| 1985 | 42.9% | -53.5% |
| 1986 | -61.3% | -242.8% |
| 1987 | 99.6% | -262.5% |
| 1988 | -63.3% | -163.6% |
| 1989 | 23.5% | -137.1% |
| 1990 | -40.3% | -271.4% |
| 1991 | 117.0% | -390.7% |
| 1992 | -32.1% | -127.4% |
| 1993 | 77.4% | -341.2% |
| 1994 | -53.0% | -168.5% |
| 1995 | 16.3% | -130.7% |
| 1996 | -30.1% | -284.8% |
| 1997 | -44.4% | +47.9% |
| 1998 | 186.7% | -520.0% |
| 1999 | -5.6% | -103.0% |
| 2000 | -73.4% | +1215.1% |
| 2001 | 27.8% | -137.8% |
| 2002 | -17.4% | -162.6% |
| 2003 | 364.9% | -2198.2% |
| 2004 | -5.3% | -101.4% |
| 2005 | 121.2% | -2394.8% |
| 2006 | -60.8% | -150.2% |
| 2007 | 3.9% | -106.3% |
| 2008 | 25.2% | +553.3% |
| 2009 | 20.8% | -17.3% |
| 2010 | -49.4% | -337.0% |
| 2011 | 118.5% | -339.8% |
| 2012 | 2.9% | -97.5% |
| 2013 | -74.6% | -2661.8% |
| 2014 | 94.9% | -227.4% |
| 2015 | -24.9% | -126.2% |
| 2016 | -50.3% | +102.4% |
| 2017 | -22.2% | -55.9% |
| 2018 | 108.9% | -590.2% |
| 2019 | 29.9% | -72.5% |
| 2020 | -67.4% | -325.2% |
| 2021 | -81.2% | +20.6% |
| 2022 | 72.0% | -188.7% |
| 2023 | 81.2% | +12.8% |
| 2024 | 41.4% | -49.1% |
| 2025 | -29.3% | -170.8% |
Algeria compared with similar countries
- Algeria's -29.3% is below the median for upper middle income countries, which is 2.4%. (24 countries reporting)
- Algeria's -29.3% is below the median for Middle East, North Africa, Afghanistan & Pakistan, which is -11.9%, 2.5× the median. (7 countries reporting)
Biggest year-on-year movements
Years where Annual percentage change in primary energy from hydropower in Algeria 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 |
|---|---|---|---|
| 2013 | -2661.8% | 2.9% | -74.6% |
| 2005 | +2394.8% | -5.3% | 121.2% |
| 2003 | +2198.2% | -17.4% | 364.9% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 1.4% | -35.9% | 37.3% | 4 |
| 1970s | 4.9% | -43.1% | 60.7% | 10 |
| 1980s | 14.4% | -63.3% | 99.6% | 10 |
| 1990s | 19.2% | -53.0% | 186.7% | 10 |
| 2000s | 40.7% | -73.4% | 364.9% | 10 |
| 2010s | 13.4% | -74.6% | 118.5% | 10 |
| 2020s | 2.8% | -81.2% | 81.2% | 6 |
Countries ranked near Algeria
More reference data data for Algeria
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.2569 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 4.41 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 5.36 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.2959 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 5.36 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.8614 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.3259 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 18.2 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 22.66 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 1.61 (2050)
Frequently asked questions
- What is annual percentage change in primary energy from hydropower in Algeria?
- Annual percentage change in primary energy from hydropower in Algeria was -29.3% in 2025, according to Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data.
- What is the highest annual percentage change in primary energy from hydropower recorded in Algeria?
- The highest recorded value was 364.9% in 2003.
- What is the lowest annual percentage change in primary energy from hydropower recorded in Algeria?
- The lowest recorded value was -81.2% in 2021.
- How does Algeria rank for annual percentage change in primary energy from hydropower?
- Algeria ranks 64th out of 71 countries with data for 2025.
- Is annual percentage change in primary energy from hydropower rising or falling in Algeria?
- Over the last ten years it is down 17.9%. The long-run trend across the full record is volatile.
- Where does this Algeria data come from?
- The figures come from Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data, published as part of Annual percentage change in primary energy from hydropower. Statizoid updates them automatically from the source API.
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About this data
Percentage change in total energy supply relative to the previous year.