Country energy profile · United States · 2025
What percentage of United States’s energy comes from fossil fuels?
In 2025, fossil fuels supplied 83.2% of United States’s total energy. Oil is its largest single source. That compares with a world average of 86.2%.
Oil 38.8%, natural gas 35.0%, coal 9.3% · non-fossil 16.8%.
Source: Energy Institute Statistical Review of World Energy 2025 data. Site updated August 13, 2026.
United States energy mix, 2025
Share of total primary energy by source
Key facts
| Fossil-fuel share | 83.2% |
| World average | 86.2% |
| Main fossil fuel | Oil |
| Change since 2010 | -2.9 pts |
| Fossil energy per person | 224.7 GJ |
| CO₂ per person | 13.7 t |
| Fossil share of electricity | 58.0% |
| World rank, fossil energy used | #2 of 80 |
Is United States getting less dependent on fossil fuels?
Fossil-fuel share of total energy since 1965, with the absolute amount of fossil fuel used. Share and volume can move in opposite directions.
Fossil share vs. consumption
Left axis: % of primary energy · Right axis: exajoules (EJ)
Oil vs. gas vs. coal in United States
Consumption by fuel, 1965–2025
Exajoules (EJ) per year
Total energy vs. electricity
United States’s electricity has a lower fossil share than its overall energy use, because transport, heating and industry still lean heavily on oil, gas and coal.
Total energy
| Fossil share | 83.2% |
| Oil | 38.8% |
| Gas | 35.0% |
| Coal | 9.3% |
Electricity
| Fossil share | 58.0% |
| Low-carbon share | 41.9% |
| Nuclear + hydro | 22.4% |
| Wind + solar + other renewables | 19.4% |
Frequently asked questions
What percentage of United States's energy comes from fossil fuels?
In 2025, fossil fuels supplied about 83.2% of United States's total primary energy: oil 38.8%, natural gas 35.0% and coal 9.3%. The world average is 86.2%.
What is United States's main energy source?
United States's largest fossil fuel is oil. Non-fossil sources make up 16.8% of its energy.
Is United States reducing its dependence on fossil fuels?
Since 2010, United States's fossil-fuel share of energy has fallen by 2.9 percentage points, to 83.2%.
How much of United States's electricity comes from fossil fuels?
About 58.0% of United States's electricity came from fossil fuels in 2025, versus 83.2% of its total energy. Electricity is usually the lower-carbon of the two.
Compare with other countries
Source: Energy Institute Statistical Review of World Energy, 2025 data (annual series back to 1965). See methodology.