Share of primary energy from fossil fuels in OECD (EI)
OECD (EI): Share of primary energy from fossil fuels was 80.7% in 2025. ▼ Falling
Latest (2025)
80.7%
Change on year
down 0.1%
Rank
2nd
of 2 groups
All-time high
97.0%
in 1965
All-time low
80.7%
in 2025
Years of data
61
1965–2025
Share of primary energy from fossil fuels in OECD (EI), 1965–2025
Source: Energy Institute – Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data. Measured in %.
Analysis
In 2025, share of primary energy from fossil fuels in OECD (EI) stood at 80.7%. That is the lowest value across all 61 years on record.
Compared with earlier readings it is down 0.1% on the previous year and down 3.6% over ten years.
Over the whole period, share of primary energy from fossil fuels in OECD (EI) peaked at 97.0% in 1965 and was at its lowest, 80.7%, in 2025.
The long-run direction has been consistently falling across the 61 years of available data.
Share of primary energy from fossil fuels in OECD (EI), year by year
| Year | % | Change |
|---|---|---|
| 1965 | 97.0% | — |
| 1966 | 96.9% | -0.1% |
| 1967 | 96.9% | -0.0% |
| 1968 | 96.9% | +0.0% |
| 1969 | 96.9% | +0.0% |
| 1970 | 96.9% | -0.0% |
| 1971 | 96.7% | -0.3% |
| 1972 | 96.4% | -0.2% |
| 1973 | 96.3% | -0.2% |
| 1974 | 95.6% | -0.7% |
| 1975 | 94.8% | -0.8% |
| 1976 | 94.8% | -0.0% |
| 1977 | 94.3% | -0.6% |
| 1978 | 93.8% | -0.6% |
| 1979 | 93.7% | -0.1% |
| 1980 | 93.2% | -0.5% |
| 1981 | 92.3% | -1.0% |
| 1982 | 91.5% | -0.8% |
| 1983 | 90.7% | -0.9% |
| 1984 | 89.9% | -0.9% |
| 1985 | 88.8% | -1.2% |
| 1986 | 88.2% | -0.7% |
| 1987 | 87.9% | -0.4% |
| 1988 | 87.5% | -0.4% |
| 1989 | 87.3% | -0.2% |
| 1990 | 86.8% | -0.6% |
| 1991 | 86.4% | -0.5% |
| 1992 | 86.4% | -0.0% |
| 1993 | 86.0% | -0.5% |
| 1994 | 86.0% | +0.1% |
| 1995 | 85.7% | -0.3% |
| 1996 | 85.8% | +0.1% |
| 1997 | 86.0% | +0.2% |
| 1998 | 85.8% | -0.2% |
| 1999 | 85.5% | -0.3% |
| 2000 | 85.6% | +0.1% |
| 2001 | 85.4% | -0.2% |
| 2002 | 85.3% | -0.1% |
| 2003 | 85.8% | +0.5% |
| 2004 | 85.4% | -0.5% |
| 2005 | 85.3% | -0.1% |
| 2006 | 85.0% | -0.3% |
| 2007 | 85.2% | +0.3% |
| 2008 | 84.8% | -0.5% |
| 2009 | 84.0% | -1.0% |
| 2010 | 84.0% | +0.0% |
| 2011 | 84.1% | +0.2% |
| 2012 | 84.5% | +0.6% |
| 2013 | 84.3% | -0.3% |
| 2014 | 83.9% | -0.5% |
| 2015 | 83.7% | -0.3% |
| 2016 | 83.5% | -0.2% |
| 2017 | 83.4% | -0.1% |
| 2018 | 83.3% | -0.1% |
| 2019 | 82.8% | -0.7% |
| 2020 | 81.6% | -1.4% |
| 2021 | 81.9% | +0.4% |
| 2022 | 82.2% | +0.3% |
| 2023 | 81.3% | -1.1% |
| 2024 | 80.7% | -0.7% |
| 2025 | 80.7% | -0.1% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 96.9% | 96.9% | 97.0% | 5 |
| 1970s | 95.3% | 93.7% | 96.9% | 10 |
| 1980s | 89.7% | 87.3% | 93.2% | 10 |
| 1990s | 86.0% | 85.5% | 86.8% | 10 |
| 2000s | 85.2% | 84.0% | 85.8% | 10 |
| 2010s | 83.7% | 82.8% | 84.5% | 10 |
| 2020s | 81.4% | 80.7% | 82.2% | 6 |
Countries ranked near OECD (EI)
- 1 Turkmenistan 100.0% compare
- 2 Kuwait 100.0% compare
- 3 Algeria 99.9% compare
- 4 Trinidad and Tobago 99.9% compare
- 5 Singapore 99.6% compare
More energy & mining data for OECD (EI)
- Primary energy use, annual growth rate 0.7889 % change on previous year (2025)
- Fossil fuel production by fuel 16,830 terawatt-hours (2025)
- Gas production 16,830 terawatt-hours (2025)
- Primary energy use, annual growth rate 0.7889 % change on previous year (2025)
- Fossil fuel consumption, annual growth rate 0.6864 % change on previous year (2025)
- Annual change in primary energy use, annual growth rate -12.51 % change on previous year (2025)
- Oil consumption, annual growth rate 0.0378 % change on previous year (2025)
- Primary energy use, annual growth rate 0.7889 % change on previous year (2025)
- Share of electricity generation from fossil fuels 47.5% (2025)
- Coal consumption, annual growth rate 0.8368 % change on previous year (2025)
Frequently asked questions
- What is share of primary energy from fossil fuels in OECD (EI)?
- Share of primary energy from fossil fuels in OECD (EI) was 80.7% in 2025, according to Energy Institute – Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data.
- What is the highest share of primary energy from fossil fuels recorded in OECD (EI)?
- The highest recorded value was 97.0% in 1965.
- What is the lowest share of primary energy from fossil fuels recorded in OECD (EI)?
- The lowest recorded value was 80.7% in 2025.
- How does OECD (EI) rank for share of primary energy from fossil fuels?
- OECD (EI) ranks 2nd out of 2 groups with data for 2025.
- Is share of primary energy from fossil fuels rising or falling in OECD (EI)?
- Over the last ten years it is down 3.6%. The long-run trend across the full record is falling.
- Where does this OECD (EI) data come from?
- The figures come from Energy Institute – Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as part of Share of primary energy from fossil fuels. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 61 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Measured as a percentage of total energy supply.