CIS (EI) vs Japan: Primary energy use
CIS (EI)
11,292 terawatt-hours
in 2025
Japan
4,578 terawatt-hours
in 2025
CIS (EI) rank
3rd
Japan rank
5th
Primary energy use over time
- CIS (EI)
- Japan
How they compare
CIS (EI) currently reports 11,292 terawatt-hours against 4,578 terawatt-hours in Japan, a difference of 6,714 terawatt-hours.
That makes CIS (EI)'s figure about 2.5 times Japan's.
Across all 61 years both countries report, CIS (EI) has been ahead every year.
CIS (EI) ranks 3rd and Japan ranks 5th of 3 groups.
CIS (EI) has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | CIS (EI) | Japan | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 7,495 terawatt-hours | 2,216 terawatt-hours | 5,280 terawatt-hours | CIS (EI) |
| 1970s | 10,740 terawatt-hours | 3,932 terawatt-hours | 6,808 terawatt-hours | CIS (EI) |
| 1980s | 12,968 terawatt-hours | 4,358 terawatt-hours | 8,610 terawatt-hours | CIS (EI) |
| 1990s | 9,922 terawatt-hours | 5,680 terawatt-hours | 4,241 terawatt-hours | CIS (EI) |
| 2000s | 9,010 terawatt-hours | 6,130 terawatt-hours | 2,880 terawatt-hours | CIS (EI) |
| 2010s | 10,026 terawatt-hours | 5,357 terawatt-hours | 4,668 terawatt-hours | CIS (EI) |
| 2020s | 10,880 terawatt-hours | 4,690 terawatt-hours | 6,190 terawatt-hours | CIS (EI) |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy use, CIS (EI) or Japan?
- CIS (EI), at 11,292 terawatt-hours against 4,578 terawatt-hours in Japan as of 2025.
- What is the difference in primary energy use between CIS (EI) and Japan?
- 6,714 terawatt-hours, with CIS (EI) ahead.
- How many years of comparable data are there for CIS (EI) and Japan?
- 61 years are reported by both, from 1965 to 2025.
- How do CIS (EI) and Japan rank globally for primary energy use?
- CIS (EI) ranks 3rd and Japan ranks 5th of 3 groups.
- 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 Primary energy use. 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.