CIS (EI) vs Japan: Primary energy use by source

CIS (EI)
1,521 terawatt-hours
in 2025
Japan
1,211 terawatt-hours
in 2025
CIS (EI) rank
3rd
Japan rank
5th

Primary energy use by source over time

  • CIS (EI)
  • Japan
1.0k2.0k3.0k4.0k196519952025

How they compare

CIS (EI) currently reports 1,521 terawatt-hours against 1,211 terawatt-hours in Japan, a difference of 310.38 terawatt-hours.

That makes CIS (EI)'s figure about 1.3 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.

Individual pages

About this data

Indicator
Primary energy use by source
Unit
terawatt-hours
Source
Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
81 places, 4,378 data points, 1965–2025
Last refreshed

Measured in terawatt-hours of total energy supply.