Annual percentage change in primary energy from nuclear in South Korea
South Korea: Annual percentage change in primary energy from nuclear was -2.2% in 2025. ◆ Volatile
Annual percentage change in primary energy from nuclear in South Korea, 1978–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in %.
Analysis
In 2025, annual percentage change in primary energy from nuclear in South Korea stood at -2.2%.
That represents a change of down 147.0% on the previous year and down 140.3% over ten years.
Over the whole period, annual percentage change in primary energy from nuclear in South Korea peaked at 3,152.4% in 1978 and was at its lowest, -16.7%, in 1981.
That places South Korea 23rd out of 35 countries with data for 2025, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 1,594.0% | 35.6% | 3,152.4% | 2 |
| 1980s | 36.3% | -16.7% | 137.3% | 10 |
| 1990s | 8.2% | 0.4% | 16.3% | 10 |
| 2000s | 3.8% | -3.9% | 12.3% | 10 |
| 2010s | 0.1% | -10.1% | 12.7% | 10 |
| 2020s | 4.1% | -2.2% | 11.4% | 6 |
Countries ranked near South Korea
More energy & mining data for South Korea
- Fuel imports 25.7% (2024)
- Ores and metals imports 6.7% (2024)
- Ores and metals exports 2.4% (2024)
- Gas production 0 terawatt-hours (2024)
- Fossil fuel production per person, by fuel 0 kilowatt-hours per person (2024)
- Fossil fuel production by fuel 0 terawatt-hours (2024)
- Gas production per person 0 kilowatt-hours per person (2024)
- Fuel exports 7.7% (2024)
- Electric power transmission and distribution losses 3.3% (2024)
- Share of dietary energy supply from carbohydrates vs gdp per capita 53.94 (2023)
Frequently asked questions
- What is annual percentage change in primary energy from nuclear in South Korea?
- Annual percentage change in primary energy from nuclear in South Korea was -2.2% 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 South Korea?
- The highest recorded value was 3,152.4% in 1978.
- What is the lowest annual percentage change in primary energy from nuclear recorded in South Korea?
- The lowest recorded value was -16.7% in 1981.
- How does South Korea rank for annual percentage change in primary energy from nuclear?
- South Korea ranks 23rd out of 35 countries with data for 2025.
- Is annual percentage change in primary energy from nuclear rising or falling in South Korea?
- Over the last ten years it is down 140.3%. The long-run trend across the full record is volatile.
- Where does this South Korea 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.
Download this data
CSV · JSON — 48 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Percentage change in total energy supply relative to the previous year.