Romania vs United States: Share of primary energy from nuclear

Romania
10.5%
in 2025
United States
9.6%
in 2025
Romania rank
15th
United States rank
16th

Share of primary energy from nuclear over time

  • Romania
  • United States
02.557.510196519952025

How they compare

Romania currently reports 10.5% against 9.6% in United States, a difference of 0.9%.

That makes Romania's figure about 1.1 times United States's.

The two have swapped places 3 times across 61 shared years of data; in 1965 it was United States ahead.

Romania ranks 15th and United States ranks 16th of 215 countries.

Across the 7 decades both report, Romania averaged higher in 1 and United States in 6.

Head to head by decade

Decade Romania United States Difference Ahead
1960s 0.0% 0.2% 0.2% United States
1970s 0.0% 2.3% 2.3% United States
1980s 0.0% 5.9% 5.9% United States
1990s 1.2% 8.6% 7.5% United States
2000s 5.1% 9.5% 4.5% United States
2010s 9.9% 10.0% 0.1% United States
2020s 10.3% 9.9% 0.4% Romania

Averages of every year both report within each decade.

Frequently asked questions

Which has higher share of primary energy from nuclear, Romania or United States?
Romania, at 10.5% against 9.6% in United States as of 2025.
What is the difference in share of primary energy from nuclear between Romania and United States?
0.9%, with Romania ahead.
How many years of comparable data are there for Romania and United States?
61 years are reported by both, from 1965 to 2025.
How do Romania and United States rank globally for share of primary energy from nuclear?
Romania ranks 15th and United States ranks 16th of 215 countries.
Where does this data 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 Share of primary energy from nuclear. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator
Share of primary energy from nuclear
Unit
%
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
Licence
CC BY 4.0 (Our World in Data)
Coverage
218 places, 10,361 data points, 1965–2025
Last refreshed

Measured as a percentage of total energy supply.