Sri Lanka vs Viet Nam: Share of primary energy from hydropower
Sri Lanka
7.9%
in 2025
Viet Nam
7.8%
in 2025
Sri Lanka rank
14th
Viet Nam rank
15th
Share of primary energy from hydropower over time
- Sri Lanka
- Viet Nam
How they compare
Sri Lanka currently reports 7.9% against 7.8% in Viet Nam, a difference of 0.1%.
The two have swapped places 10 times across 61 shared years of data; in 1965 it was Sri Lanka ahead.
Sri Lanka ranks 14th and Viet Nam ranks 15th of 80 countries.
Across the 7 decades both report, Sri Lanka averaged higher in 4 and Viet Nam in 3.
Head to head by decade
| Decade | Sri Lanka | Viet Nam | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 4.3% | 0.8% | 3.5% | Sri Lanka |
| 1970s | 5.6% | 1.1% | 4.5% | Sri Lanka |
| 1980s | 9.4% | 2.9% | 6.5% | Sri Lanka |
| 1990s | 11.7% | 9.1% | 2.6% | Sri Lanka |
| 2000s | 6.7% | 6.9% | 0.2% | Viet Nam |
| 2010s | 6.4% | 8.8% | 2.4% | Viet Nam |
| 2020s | 7.2% | 7.6% | 0.4% | Viet Nam |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of primary energy from hydropower, Sri Lanka or Viet Nam?
- Sri Lanka, at 7.9% against 7.8% in Viet Nam as of 2025.
- What is the difference in share of primary energy from hydropower between Sri Lanka and Viet Nam?
- 0.1%, with Sri Lanka ahead.
- How many years of comparable data are there for Sri Lanka and Viet Nam?
- 61 years are reported by both, from 1965 to 2025.
- How do Sri Lanka and Viet Nam rank globally for share of primary energy from hydropower?
- Sri Lanka ranks 14th and Viet Nam ranks 15th of 80 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) β with major processing by Our World in Data, published as Share of primary energy from hydropower. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured as a percentage of total energy supply.