Republic of Korea vs Viet Nam: Solar energy generation by region
Republic of Korea
37.86 terawatt-hours
in 2025
Viet Nam
33.85 terawatt-hours
in 2025
Republic of Korea rank
11th
Viet Nam rank
13th
Solar energy generation by region over time
- Republic of Korea
- Viet Nam
How they compare
Republic of Korea currently reports 37.86 terawatt-hours against 33.85 terawatt-hours in Viet Nam, a difference of 4.01 terawatt-hours.
That makes Republic of Korea's figure about 1.1 times Viet Nam's.
The two have swapped places 3 times across 55 shared years of data; in 1971 it was Viet Nam ahead.
Republic of Korea ranks 11th and Viet Nam ranks 13th of 79 countries.
Republic of Korea has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Republic of Korea | Viet Nam | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1980s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1990s | 0.0025 terawatt-hours | 0 terawatt-hours | 0.0025 terawatt-hours | Republic of Korea |
| 2000s | 0.1003 terawatt-hours | 0 terawatt-hours | 0.1003 terawatt-hours | Republic of Korea |
| 2010s | 4.9 terawatt-hours | 0.489 terawatt-hours | 4.41 terawatt-hours | Republic of Korea |
| 2020s | 30.55 terawatt-hours | 27.42 terawatt-hours | 3.14 terawatt-hours | Republic of Korea |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher solar energy generation by region, Republic of Korea or Viet Nam?
- Republic of Korea, at 37.86 terawatt-hours against 33.85 terawatt-hours in Viet Nam as of 2025.
- What is the difference in solar energy generation by region between Republic of Korea and Viet Nam?
- 4.01 terawatt-hours, with Republic of Korea ahead.
- How many years of comparable data are there for Republic of Korea and Viet Nam?
- 55 years are reported by both, from 1971 to 2025.
- How do Republic of Korea and Viet Nam rank globally for solar energy generation by region?
- Republic of Korea ranks 11th and Viet Nam ranks 13th of 79 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026) – with major processing by Our World in Data, published as Solar energy generation by region. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Figures are based on gross generation and do not account for cross-border electricity supply.