Japan vs Romania: Primary energy from nuclear per person
Japan
2,315 kilowatt-hours per person
in 2025
Romania
1,765 kilowatt-hours per person
in 2025
Japan rank
19th
Romania rank
20th
Primary energy from nuclear per person over time
- Japan
- Romania
How they compare
Japan currently reports 2,315 kilowatt-hours per person against 1,765 kilowatt-hours per person in Romania, a difference of 550 kilowatt-hours per person.
That makes Japan's figure about 1.3 times Romania's.
The two have swapped places 2 times across 61 shared years of data; in 1965 it was Japan ahead.
Japan ranks 19th and Romania ranks 20th of 217 countries.
Across the 7 decades both report, Japan averaged higher in 5 and Romania in 2.
Head to head by decade
| Decade | Japan | Romania | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 19.61 kilowatt-hours per person | 0 kilowatt-hours per person | 19.61 kilowatt-hours per person | Japan |
| 1970s | 717.75 kilowatt-hours per person | 0 kilowatt-hours per person | 717.75 kilowatt-hours per person | Japan |
| 1980s | 3,492 kilowatt-hours per person | 0 kilowatt-hours per person | 3,492 kilowatt-hours per person | Japan |
| 1990s | 6,457 kilowatt-hours per person | 234.87 kilowatt-hours per person | 6,222 kilowatt-hours per person | Japan |
| 2000s | 6,815 kilowatt-hours per person | 984.09 kilowatt-hours per person | 5,830 kilowatt-hours per person | Japan |
| 2010s | 1,550 kilowatt-hours per person | 1,752 kilowatt-hours per person | 201.39 kilowatt-hours per person | Romania |
| 2020s | 1,674 kilowatt-hours per person | 1,766 kilowatt-hours per person | 92.34 kilowatt-hours per person | Romania |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy from nuclear per person, Japan or Romania?
- Japan, at 2,315 kilowatt-hours per person against 1,765 kilowatt-hours per person in Romania as of 2025.
- What is the difference in primary energy from nuclear per person between Japan and Romania?
- 550 kilowatt-hours per person, with Japan ahead.
- How many years of comparable data are there for Japan and Romania?
- 61 years are reported by both, from 1965 to 2025.
- How do Japan and Romania rank globally for primary energy from nuclear per person?
- Japan ranks 19th and Romania ranks 20th of 217 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017); Population based on various sources (2024) – with major processing by Our World in Data, published as Primary energy from nuclear per person. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured in kilowatt-hours of total energy supply per person.