Japan vs United Kingdom: Share of electricity generation from nuclear
Japan
9.1%
in 2025
United Kingdom
12.4%
in 2025
Japan rank
23rd
United Kingdom rank
21st
Share of electricity generation from nuclear over time
- Japan
- United Kingdom
How they compare
United Kingdom currently reports 12.4% against 9.1% in Japan, a difference of 3.3%.
That makes United Kingdom's figure about 1.4 times Japan's.
The two have swapped places 5 times across 41 shared years of data; in 1985 it was Japan ahead.
Japan ranks 23rd and United Kingdom ranks 21st of 207 countries.
Across the 5 decades both report, Japan averaged higher in 3 and United Kingdom in 2.
Head to head by decade
| Decade | Japan | United Kingdom | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 24.1% | 20.4% | 3.8% | Japan |
| 1990s | 26.9% | 25.6% | 1.4% | Japan |
| 2000s | 25.5% | 19.8% | 5.6% | Japan |
| 2010s | 5.9% | 19.2% | 13.4% | United Kingdom |
| 2020s | 6.7% | 14.4% | 7.7% | United Kingdom |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of electricity generation from nuclear, Japan or United Kingdom?
- United Kingdom, at 12.4% against 9.1% in Japan as of 2025.
- What is the difference in share of electricity generation from nuclear between Japan and United Kingdom?
- 3.3%, with United Kingdom ahead.
- How many years of comparable data are there for Japan and United Kingdom?
- 41 years are reported by both, from 1985 to 2025.
- How do Japan and United Kingdom rank globally for share of electricity generation from nuclear?
- Japan ranks 23rd and United Kingdom ranks 21st of 207 countries.
- Where does this data come from?
- Ember (2026) and other sources – with major processing by Our World in Data, published as Share of electricity generation from nuclear. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured as a percentage of total electricity produced in the country or region.