Thailand vs Vietnam: Annual percentage change in primary energy from hydropower
Thailand
18.5%
in 2025
Vietnam
14.8%
in 2025
Thailand rank
10th
Vietnam rank
13th
Annual percentage change in primary energy from hydropower over time
- Thailand
- Vietnam
How they compare
Thailand currently reports 18.5% against 14.8% in Vietnam, a difference of 3.7%.
That makes Thailand's figure about 1.3 times Vietnam's.
The two have swapped places 26 times across 60 shared years of data; in 1966 it was Thailand ahead.
Thailand ranks 10th and Vietnam ranks 13th of 68 countries.
Across the 7 decades both report, Thailand averaged higher in 2 and Vietnam in 5.
Head to head by decade
| Decade | Thailand | Vietnam | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 8.1% | 12.3% | 4.2% | Vietnam |
| 1970s | 16.4% | 7.8% | 8.5% | Thailand |
| 1980s | 16.2% | 19.2% | 3.0% | Vietnam |
| 1990s | -2.2% | 14.3% | 16.4% | Vietnam |
| 2000s | 10.1% | 8.6% | 1.5% | Thailand |
| 2010s | 3.7% | 10.0% | 6.3% | Vietnam |
| 2020s | 5.6% | 8.2% | 2.6% | Vietnam |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual percentage change in primary energy from hydropower, Thailand or Vietnam?
- Thailand, at 18.5% against 14.8% in Vietnam as of 2025.
- What is the difference in annual percentage change in primary energy from hydropower between Thailand and Vietnam?
- 3.7%, with Thailand ahead.
- How many years of comparable data are there for Thailand and Vietnam?
- 60 years are reported by both, from 1966 to 2025.
- How do Thailand and Vietnam rank globally for annual percentage change in primary energy from hydropower?
- Thailand ranks 10th 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.