Share of primary energy from fossil fuels in CIS (EI)
CIS (EI): Share of primary energy from fossil fuels was 90.9% in 2025. ▼ Falling
Latest (2025)
90.9%
Change on year
down 0.1%
Rank
1st
of 2 groups
All-time high
98.7%
in 1967
All-time low
90.7%
in 2020
Years of data
61
1965–2025
Share of primary energy from fossil fuels in CIS (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 CIS (EI) stood at 90.9%.
The figure is down 0.1% on the previous year and down 0.7% over ten years.
Over the whole period, share of primary energy from fossil fuels in CIS (EI) peaked at 98.7% in 1967 and was at its lowest, 90.7%, in 2020.
The long-run direction has been consistently falling across the 61 years of available data.
Share of primary energy from fossil fuels in CIS (EI), year by year
| Year | % | Change |
|---|---|---|
| 1965 | 98.7% | — |
| 1966 | 98.6% | -0.1% |
| 1967 | 98.7% | +0.1% |
| 1968 | 98.5% | -0.2% |
| 1969 | 98.5% | -0.1% |
| 1970 | 98.4% | -0.1% |
| 1971 | 98.4% | +0.0% |
| 1972 | 98.4% | -0.0% |
| 1973 | 98.3% | -0.1% |
| 1974 | 98.1% | -0.2% |
| 1975 | 98.1% | -0.1% |
| 1976 | 97.8% | -0.3% |
| 1977 | 97.5% | -0.3% |
| 1978 | 97.4% | -0.1% |
| 1979 | 97.3% | -0.1% |
| 1980 | 96.9% | -0.4% |
| 1981 | 96.6% | -0.3% |
| 1982 | 96.5% | -0.1% |
| 1983 | 96.3% | -0.2% |
| 1984 | 95.6% | -0.7% |
| 1985 | 95.6% | -0.0% |
| 1986 | 95.6% | +0.0% |
| 1987 | 95.2% | -0.4% |
| 1988 | 95.0% | -0.2% |
| 1989 | 95.1% | +0.1% |
| 1990 | 95.4% | +0.3% |
| 1991 | 95.2% | -0.2% |
| 1992 | 95.0% | -0.3% |
| 1993 | 94.5% | -0.5% |
| 1994 | 94.6% | +0.1% |
| 1995 | 94.2% | -0.4% |
| 1996 | 93.9% | -0.3% |
| 1997 | 93.6% | -0.4% |
| 1998 | 93.7% | +0.2% |
| 1999 | 93.1% | -0.7% |
| 2000 | 92.8% | -0.3% |
| 2001 | 92.6% | -0.2% |
| 2002 | 92.5% | -0.1% |
| 2003 | 92.4% | -0.1% |
| 2004 | 92.5% | +0.1% |
| 2005 | 92.4% | -0.1% |
| 2006 | 92.4% | +0.1% |
| 2007 | 92.4% | -0.1% |
| 2008 | 92.5% | +0.2% |
| 2009 | 92.0% | -0.5% |
| 2010 | 92.1% | +0.1% |
| 2011 | 92.5% | +0.3% |
| 2012 | 92.4% | -0.0% |
| 2013 | 92.3% | -0.2% |
| 2014 | 92.1% | -0.1% |
| 2015 | 91.6% | -0.6% |
| 2016 | 91.5% | -0.0% |
| 2017 | 91.4% | -0.2% |
| 2018 | 91.7% | +0.3% |
| 2019 | 91.4% | -0.2% |
| 2020 | 90.7% | -0.8% |
| 2021 | 90.7% | +0.0% |
| 2022 | 91.1% | +0.4% |
| 2023 | 91.1% | +0.0% |
| 2024 | 91.0% | -0.1% |
| 2025 | 90.9% | -0.1% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 98.6% | 98.5% | 98.7% | 5 |
| 1970s | 98.0% | 97.3% | 98.4% | 10 |
| 1980s | 95.8% | 95.0% | 96.9% | 10 |
| 1990s | 94.3% | 93.1% | 95.4% | 10 |
| 2000s | 92.5% | 92.0% | 92.8% | 10 |
| 2010s | 91.9% | 91.4% | 92.5% | 10 |
| 2020s | 90.9% | 90.7% | 91.1% | 6 |
Countries ranked near CIS (EI)
- 1 Turkmenistan 100.0% compare
- 2 Kuwait 100.0% compare
- 3 Algeria 99.9% compare
- 4 Trinidad and Tobago 99.9% compare
More energy & mining data for CIS (EI)
- Primary energy use, annual growth rate 0.3921 % change on previous year (2025)
- Fossil fuel production by fuel 7,984 terawatt-hours (2025)
- Gas production 7,984 terawatt-hours (2025)
- Primary energy use, annual growth rate 0.3921 % change on previous year (2025)
- Fossil fuel consumption, annual growth rate 0.3332 % change on previous year (2025)
- Annual change in primary energy use, annual growth rate -74.99 % change on previous year (2025)
- Oil consumption, annual growth rate 0.9331 % change on previous year (2025)
- Primary energy use, annual growth rate 0.3921 % change on previous year (2025)
- Share of electricity generation from fossil fuels 66.0% (2025)
- Coal consumption, annual growth rate -0.6577 % change on previous year (2025)
Frequently asked questions
- What is share of primary energy from fossil fuels in CIS (EI)?
- Share of primary energy from fossil fuels in CIS (EI) was 90.9% 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 CIS (EI)?
- The highest recorded value was 98.7% in 1967.
- What is the lowest share of primary energy from fossil fuels recorded in CIS (EI)?
- The lowest recorded value was 90.7% in 2020.
- How does CIS (EI) rank for share of primary energy from fossil fuels?
- CIS (EI) ranks 1st out of 2 groups with data for 2025.
- Is share of primary energy from fossil fuels rising or falling in CIS (EI)?
- Over the last ten years it is down 0.7%. The long-run trend across the full record is falling.
- Where does this CIS (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.