Japan vs USSR: Electricity generation from nuclear

Japan
94.09 terawatt-hours
in 2025
USSR
143.8 terawatt-hours
in 1984
Japan rank
7th
USSR rank
6th

Electricity generation from nuclear over time

  • Japan
  • USSR
0100200300196519952025

How they compare

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 7th and USSR ranks 6th of 209 countries.

Across the 3 decades both report, Japan averaged higher in 1 and USSR in 2.

Head to head by decade

Decade Japan USSR Difference Ahead
1960s 0.6728 terawatt-hours 2.59 terawatt-hours 1.92 terawatt-hours USSR
1970s 27.2 terawatt-hours 28.53 terawatt-hours 1.32 terawatt-hours USSR
1980s 104.28 terawatt-hours 103.29 terawatt-hours 0.9874 terawatt-hours Japan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher electricity generation from nuclear, Japan or USSR?
USSR, at 143.8 terawatt-hours against 94.09 terawatt-hours in Japan as of 1984.
What is the difference in electricity generation from nuclear between Japan and USSR?
49.71 terawatt-hours, with USSR ahead.
How many years of comparable data are there for Japan and USSR?
20 years are reported by both, from 1965 to 1984.
How do Japan and USSR rank globally for electricity generation from nuclear?
Japan ranks 7th and USSR ranks 6th of 209 countries.
Where does this data come from?
Ember (2026) and other sources – with major processing by Our World in Data, published as Electricity generation from nuclear. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Japan vs USSR: Electricity generation from nuclear. Statizoid, drawing on Ember (2026) and other sources – with major processing by Our World in Data. Retrieved 22 September 2026, from https://energy.statizoid.com/compare/nuclear-energy-generation/japan/ussr/

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About this data

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

Measured in terawatt-hours.