China vs Japan: Annual percentage change in primary energy from nuclear
China
7.6%
in 2025
Japan
10.8%
in 2025
China rank
7th
Japan rank
4th
Annual percentage change in primary energy from nuclear over time
- China
- Japan
How they compare
Japan currently reports 10.8% against 7.6% in China, a difference of 3.2%.
That makes Japan's figure about 1.4 times China's.
The two have swapped places 15 times across 31 shared years of data; in 1994 it was China ahead.
China ranks 7th and Japan ranks 4th of 36 countries.
Across the 4 decades both report, China averaged higher in 2 and Japan in 2.
Head to head by decade
| Decade | China | Japan | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 137.2% | 4.3% | 132.9% | China |
| 2000s | 18.3% | -0.6% | 18.9% | China |
| 2010s | 16.3% | 23.6% | 7.3% | Japan |
| 2020s | 5.7% | 10.4% | 4.7% | Japan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual percentage change in primary energy from nuclear, China or Japan?
- Japan, at 10.8% against 7.6% in China as of 2025.
- What is the difference in annual percentage change in primary energy from nuclear between China and Japan?
- 3.2%, with Japan ahead.
- How many years of comparable data are there for China and Japan?
- 31 years are reported by both, from 1994 to 2025.
- How do China and Japan rank globally for annual percentage change in primary energy from nuclear?
- China ranks 7th and Japan ranks 4th of 36 countries.
- 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 Annual percentage change in primary energy from nuclear. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Percentage change in total energy supply relative to the previous year.