Share of primary energy from nuclear in Canada
Canada: Share of primary energy from nuclear was 7.7% in 2025. ▲ Rising
Share of primary energy from nuclear in Canada, 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 nuclear in Canada stood at 7.7%.
The figure is down 1.7% on the previous year and down 15.7% over ten years.
Over the whole period, share of primary energy from nuclear in Canada peaked at 12.1% in 1994 and was at its lowest, 0.0%, in 1965.
Canada ranks 19th of 216 countries on this measure, in the top 10%.
The long-run direction has been consistently rising across the 61 years of available data.
Share of primary energy from nuclear in Canada, year by year
| Year | % | Change |
|---|---|---|
| 1965 | 0.0% | — |
| 1966 | 0.0% | +27.3% |
| 1967 | 0.0% | -15.3% |
| 1968 | 0.2% | +458.7% |
| 1969 | 0.1% | -45.2% |
| 1970 | 0.2% | +82.4% |
| 1971 | 0.8% | +298.5% |
| 1972 | 1.3% | +58.2% |
| 1973 | 2.5% | +94.1% |
| 1974 | 2.3% | -5.6% |
| 1975 | 2.0% | -13.6% |
| 1976 | 2.7% | +32.3% |
| 1977 | 3.8% | +42.2% |
| 1978 | 4.4% | +17.3% |
| 1979 | 4.9% | +10.0% |
| 1980 | 5.2% | +6.0% |
| 1981 | 5.6% | +7.5% |
| 1982 | 5.5% | -1.4% |
| 1983 | 7.1% | +28.5% |
| 1984 | 7.1% | +1.2% |
| 1985 | 8.1% | +12.9% |
| 1986 | 9.4% | +16.9% |
| 1987 | 9.9% | +4.6% |
| 1988 | 10.0% | +1.4% |
| 1989 | 9.3% | -6.6% |
| 1990 | 9.0% | -3.8% |
| 1991 | 10.5% | +16.8% |
| 1992 | 9.7% | -7.6% |
| 1993 | 11.0% | +13.5% |
| 1994 | 12.1% | +10.0% |
| 1995 | 10.7% | -11.5% |
| 1996 | 10.0% | -6.9% |
| 1997 | 8.8% | -11.9% |
| 1998 | 7.7% | -12.8% |
| 1999 | 7.7% | -0.1% |
| 2000 | 7.4% | -3.4% |
| 2001 | 7.8% | +6.0% |
| 2002 | 7.5% | -4.6% |
| 2003 | 7.3% | -2.4% |
| 2004 | 8.6% | +18.2% |
| 2005 | 8.8% | +2.1% |
| 2006 | 9.4% | +6.4% |
| 2007 | 8.6% | -8.2% |
| 2008 | 9.0% | +4.5% |
| 2009 | 8.8% | -2.1% |
| 2010 | 8.7% | -1.8% |
| 2011 | 8.7% | -0.0% |
| 2012 | 8.8% | +1.4% |
| 2013 | 9.3% | +6.0% |
| 2014 | 9.6% | +2.9% |
| 2015 | 9.1% | -4.9% |
| 2016 | 9.2% | +0.8% |
| 2017 | 9.0% | -1.5% |
| 2018 | 8.8% | -2.5% |
| 2019 | 8.9% | +0.8% |
| 2020 | 9.3% | +4.3% |
| 2021 | 8.6% | -6.8% |
| 2022 | 8.0% | -7.9% |
| 2023 | 8.2% | +2.6% |
| 2024 | 7.8% | -4.3% |
| 2025 | 7.7% | -1.7% |
Biggest year-on-year movements
Years where Share of primary energy from nuclear in Canada 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 |
|---|---|---|---|
| 1968 | +458.7% | 0.0% | 0.2% |
| 1971 | +298.5% | 0.2% | 0.8% |
| 1973 | +94.1% | 1.3% | 2.5% |
| 1970 | +82.4% | 0.1% | 0.2% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.1% | 0.0% | 0.2% | 5 |
| 1970s | 2.5% | 0.2% | 4.9% | 10 |
| 1980s | 7.7% | 5.2% | 10.0% | 10 |
| 1990s | 9.7% | 7.7% | 12.1% | 10 |
| 2000s | 8.3% | 7.3% | 9.4% | 10 |
| 2010s | 9.0% | 8.7% | 9.6% | 10 |
| 2020s | 8.3% | 7.7% | 9.3% | 6 |
Countries ranked near Canada
- 16 United States 9.6% compare
- 17 Pakistan 8.3% compare
- 18 United Arab Emirates 8.1% compare
- 20 Russia 7.6% compare
- 21 Japan 6.2% compare
- 22 United Kingdom 6.2% compare
More energy & mining data for Canada
- Fossil fuel consumption by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, annual growth rate 1.48 % change on previous year (2025)
- Coal consumption, per capita 0 terawatt-hours per person (2025)
- Coal consumption, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per capita 0.0001 terawatt-hours per person (2025)
- Coal production, per capita 0 terawatt-hours per person (2025)
- Coal production, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Fossil fuel consumption by fuel, per capita 0 terawatt-hours per person (2025)
- Fuel imports 6.5% (2024)
Frequently asked questions
- What is share of primary energy from nuclear in Canada?
- Share of primary energy from nuclear in Canada was 7.7% 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 nuclear recorded in Canada?
- The highest recorded value was 12.1% in 1994.
- What is the lowest share of primary energy from nuclear recorded in Canada?
- The lowest recorded value was 0.0% in 1965.
- How does Canada rank for share of primary energy from nuclear?
- Canada ranks 19th out of 216 countries with data for 2025.
- Is share of primary energy from nuclear rising or falling in Canada?
- Over the last ten years it is down 15.7%. The long-run trend across the full record is rising.
- Where does this Canada 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 nuclear. Statizoid updates them automatically from the source API.
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About this data
Measured as a percentage of total energy supply.