CIS (EI) vs United States: Primary energy from nuclear
CIS (EI)
722.85 terawatt-hours
in 2025
United States
2,503 terawatt-hours
in 2025
CIS (EI) rank
2nd
United States rank
1st
Primary energy from nuclear over time
- CIS (EI)
- United States
How they compare
United States currently reports 2,503 terawatt-hours against 722.85 terawatt-hours in CIS (EI), a difference of 1,780 terawatt-hours.
That makes United States's figure about 3.5 times CIS (EI)'s.
Across all 61 years both countries report, United States has been ahead every year.
CIS (EI) ranks 2nd and United States ranks 1st of 3 groups.
United States has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | CIS (EI) | United States | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 7.85 terawatt-hours | 27.62 terawatt-hours | 19.77 terawatt-hours | United States |
| 1970s | 86.44 terawatt-hours | 464.91 terawatt-hours | 378.47 terawatt-hours | United States |
| 1980s | 344.06 terawatt-hours | 1,192 terawatt-hours | 848.03 terawatt-hours | United States |
| 1990s | 341.78 terawatt-hours | 2,053 terawatt-hours | 1,712 terawatt-hours | United States |
| 2000s | 460.69 terawatt-hours | 2,499 terawatt-hours | 2,039 terawatt-hours | United States |
| 2010s | 577.93 terawatt-hours | 2,544 terawatt-hours | 1,967 terawatt-hours | United States |
| 2020s | 699.5 terawatt-hours | 2,489 terawatt-hours | 1,790 terawatt-hours | United States |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy from nuclear, CIS (EI) or United States?
- United States, at 2,503 terawatt-hours against 722.85 terawatt-hours in CIS (EI) as of 2025.
- What is the difference in primary energy from nuclear between CIS (EI) and United States?
- 1,780 terawatt-hours, with United States ahead.
- How many years of comparable data are there for CIS (EI) and United States?
- 61 years are reported by both, from 1965 to 2025.
- How do CIS (EI) and United States rank globally for primary energy from nuclear?
- CIS (EI) ranks 2nd and United States ranks 1st of 3 groups.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as Primary energy from nuclear. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured in terawatt-hours of total energy supply.