Japan vs USSR: Electricity generation from nuclear

Japan

94.09 terawatt-hours

in 2025

USSR

143.8 terawatt-hours

in 1984

Japan rank

6th

USSR rank

3rd

Electricity generation from nuclear over time

USSR currently reports 143.8 terawatt-hours against 94.09 terawatt-hours in Japan, a difference of 49.71 terawatt-hours.

That makes USSR's figure about 1.5 times Japan's.

The two have swapped places 4 times across 20 shared years of data; in 1965 it was USSR ahead.

Japan ranks 6th and USSR ranks 3rd of 208 countries.

Indicator: Electricity generation from nuclear
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: 211 places, 8,460 data points, 1920–2025
Last refreshed: 07 August 2026

Measured in terawatt-hours.