Japan vs South Korea: Electricity generation

Japan
1,030 terawatt-hours
in 2025
South Korea
624.66 terawatt-hours
in 2025
Japan rank
5th
South Korea rank
8th

Electricity generation over time

  • Japan
  • South Korea
02505007501.0k1.2k198520052025

How they compare

Japan currently reports 1,030 terawatt-hours against 624.66 terawatt-hours in South Korea, a difference of 405.2 terawatt-hours.

That makes Japan's figure about 1.6 times South Korea's.

Across all 41 years both countries report, Japan has been ahead every year.

Japan ranks 5th and South Korea ranks 8th of 214 countries.

Individual pages

About this data

Indicator
Electricity generation
Unit
terawatt-hours
Source
Ember (2026) and other sources – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
216 places, 6,724 data points, 1920–2025
Last refreshed

Total electricity generated in each country or region, measured in terawatt-hours.