Annual change in primary energy from nuclear in Japan

Japan: Annual change in primary energy from nuclear was 27.75 terawatt-hours in 2025. ◆ Volatile

Latest (2025)
27.75 terawatt-hours
Change on year
up 23.0%
World rank
3rd
of 218 countries
All-time high
169.05 terawatt-hours
in 2004
All-time low
-439.2 terawatt-hours
in 2012
Years of data
60
1966–2025

Annual change in primary energy from nuclear in Japan, 1966–2025

-400-2000200196619952025

Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in terawatt-hours.

Analysis

The most recent figure for annual change in primary energy from nuclear in Japan is 27.75 terawatt-hours, measured in 2025.

That represents a change of up 23.0% on the previous year and up 102.4% over ten years.

Over the whole period, annual change in primary energy from nuclear in Japan peaked at 169.05 terawatt-hours in 2004 and was at its lowest, -439.2 terawatt-hours, in 2012.

Japan ranks 3rd of 218 countries on this measure, in the top 10%.

The series is highly variable year to year, so single readings are best treated with caution.

Averages by decade

DecadeAverage LowestHighest Years
1960s 0.8008 terawatt-hours 0.1152 terawatt-hours 1.69 terawatt-hours 4
1970s 21 terawatt-hours -7.33 terawatt-hours 83.8 terawatt-hours 10
1980s 34.98 terawatt-hours -44.57 terawatt-hours 76.71 terawatt-hours 10
1990s 39.82 terawatt-hours -26.48 terawatt-hours 92.92 terawatt-hours 10
2000s -12.9 terawatt-hours -255.09 terawatt-hours 169.05 terawatt-hours 10
2010s -63.34 terawatt-hours -439.2 terawatt-hours 60.71 terawatt-hours 10
2020s 14.36 terawatt-hours -68.6 terawatt-hours 77.84 terawatt-hours 6

Countries ranked near Japan

  1. 1 China 104.18 terawatt-hours compare
  2. 2 France 29.09 terawatt-hours compare
  3. 4 United States 9.3 terawatt-hours compare
  4. 5 Russia 8.82 terawatt-hours compare
  5. 6 South Africa 7.68 terawatt-hours compare

See the full ranking of 221 places →

More energy & mining data for Japan

All data for Japan →

Frequently asked questions

What is annual change in primary energy from nuclear in Japan?
Annual change in primary energy from nuclear in Japan was 27.75 terawatt-hours in 2025, according to Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data.
What is the highest annual change in primary energy from nuclear recorded in Japan?
The highest recorded value was 169.05 terawatt-hours in 2004.
What is the lowest annual change in primary energy from nuclear recorded in Japan?
The lowest recorded value was -439.2 terawatt-hours in 2012.
How does Japan rank for annual change in primary energy from nuclear?
Japan ranks 3rd out of 218 countries with data for 2025.
Is annual change in primary energy from nuclear rising or falling in Japan?
Over the last ten years it is up 102.4%. The long-run trend across the full record is volatile.
Where does this Japan data come from?
The figures come from Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as part of Annual change in primary energy from nuclear. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 60 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Annual change in primary energy from nuclear
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
221 places, 10,533 data points, 1966–2025
Last refreshed

Change in total energy supply relative to the previous year, measured in terawatt-hours.