Annual percentage change in primary energy from nuclear in Switzerland

Switzerland: Annual percentage change in primary energy from nuclear was -20.0% in 2025. β—† Volatile

Latest (2025)
-20.0%
Change on year
down 1,231.7%
World rank
29th
of 36 countries
All-time high
230.1%
in 1970
All-time low
-21.2%
in 1971
Years of data
56
1970–2025

Annual percentage change in primary energy from nuclear in Switzerland, 1970–2025

0100200197019972025

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

Analysis

Switzerland recorded -20.0% for annual percentage change in primary energy from nuclear in 2025.

The figure is down 1,231.7% on the previous year and down 23.6% over ten years.

Over the whole period, annual percentage change in primary energy from nuclear in Switzerland peaked at 230.1% in 1970 and was at its lowest, -21.2%, in 1971.

Switzerland ranks 29th of 36 countries on this measure, in the bottom quarter.

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

Averages by decade

DecadeAverage LowestHighest Years
1970s 52.0% -21.2% 230.1% 10
1980s 7.1% -1.3% 21.5% 10
1990s 0.9% -3.5% 4.3% 10
2000s 1.3% -13.4% 19.2% 10
2010s -0.4% -16.2% 18.9% 10
2020s -4.1% -20.0% 24.7% 6

Countries ranked near Switzerland

  1. 26 Sweden -7.9% compare
  2. 27 United Kingdom -11.7% compare
  3. 28 Mexico -17.9% compare
  4. 30 Iran -23.4% compare
  5. 31 Belgium -24.1% compare
  6. 32 Taiwan -73.4% compare

See the full ranking of 38 places β†’

More energy & mining data for Switzerland

All data for Switzerland β†’

Frequently asked questions

What is annual percentage change in primary energy from nuclear in Switzerland?
Annual percentage change in primary energy from nuclear in Switzerland was -20.0% 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 percentage change in primary energy from nuclear recorded in Switzerland?
The highest recorded value was 230.1% in 1970.
What is the lowest annual percentage change in primary energy from nuclear recorded in Switzerland?
The lowest recorded value was -21.2% in 1971.
How does Switzerland rank for annual percentage change in primary energy from nuclear?
Switzerland ranks 29th out of 36 countries with data for 2025.
Is annual percentage change in primary energy from nuclear rising or falling in Switzerland?
Over the last ten years it is down 23.6%. The long-run trend across the full record is volatile.
Where does this Switzerland 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 percentage change in primary energy from nuclear. Statizoid updates them automatically from the source API.

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Annual percentage change in primary energy from nuclear in Switzerland. Statizoid, drawing on Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Retrieved 17 August 2026, from https://energy.statizoid.com/stat/annual-percentage-change-nuclear/switzerland/

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About this data

Indicator
Annual percentage change in primary energy from nuclear
Unit
%
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
38 places, 1,653 data points, 1966–2025
Last refreshed

Percentage change in total energy supply relative to the previous year.