Sri Lanka vs Vietnam: Annual percentage change in primary energy from hydropower
Sri Lanka
16.2%
in 2025
Vietnam
14.8%
in 2025
Sri Lanka rank
12th
Vietnam rank
13th
Annual percentage change in primary energy from hydropower over time
- Sri Lanka
- Vietnam
How they compare
Sri Lanka currently reports 16.2% against 14.8% in Vietnam, a difference of 1.4%.
That makes Sri Lanka's figure about 1.1 times Vietnam's.
The two have swapped places 29 times across 60 shared years of data; in 1966 it was Vietnam ahead.
Sri Lanka ranks 12th and Vietnam ranks 13th of 68 countries.
Across the 7 decades both report, Sri Lanka averaged higher in 3 and Vietnam in 4.
Head to head by decade
| Decade | Sri Lanka | Vietnam | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 10.9% | 12.3% | 1.4% | Vietnam |
| 1970s | 11.4% | 7.8% | 3.6% | Sri Lanka |
| 1980s | 9.2% | 19.2% | 10.1% | Vietnam |
| 1990s | 5.2% | 14.3% | 9.1% | Vietnam |
| 2000s | 0.8% | 8.6% | 7.8% | Vietnam |
| 2010s | 10.5% | 10.0% | 0.5% | Sri Lanka |
| 2020s | 10.4% | 8.2% | 2.2% | Sri Lanka |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual percentage change in primary energy from hydropower, Sri Lanka or Vietnam?
- Sri Lanka, at 16.2% against 14.8% in Vietnam as of 2025.
- What is the difference in annual percentage change in primary energy from hydropower between Sri Lanka and Vietnam?
- 1.4%, with Sri Lanka ahead.
- How many years of comparable data are there for Sri Lanka and Vietnam?
- 60 years are reported by both, from 1966 to 2025.
- How do Sri Lanka and Vietnam rank globally for annual percentage change in primary energy from hydropower?
- Sri Lanka ranks 12th and Vietnam ranks 13th of 68 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as Annual percentage change in primary energy from hydropower. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Percentage change in total energy supply relative to the previous year.