Ecuador vs Vietnam: Annual change in primary energy from hydropower
Ecuador
5.51 terawatt-hours
in 2025
Vietnam
13.1 terawatt-hours
in 2025
Ecuador rank
7th
Vietnam rank
5th
Annual change in primary energy from hydropower over time
- Ecuador
- Vietnam
How they compare
Vietnam currently reports 13.1 terawatt-hours against 5.51 terawatt-hours in Ecuador, a difference of 7.59 terawatt-hours.
That makes Vietnam's figure about 2.4 times Ecuador's.
The two have swapped places 24 times across 60 shared years of data; in 1966 it was Vietnam ahead.
Ecuador ranks 7th and Vietnam ranks 5th of 80 countries.
Across the 7 decades both report, Ecuador averaged higher in 1 and Vietnam in 6.
Head to head by decade
| Decade | Ecuador | Vietnam | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0.0287 terawatt-hours | 0.05 terawatt-hours | 0.0213 terawatt-hours | Vietnam |
| 1970s | 0.0345 terawatt-hours | 0.046 terawatt-hours | 0.0115 terawatt-hours | Vietnam |
| 1980s | 0.4245 terawatt-hours | 0.2838 terawatt-hours | 0.1407 terawatt-hours | Ecuador |
| 1990s | 0.2223 terawatt-hours | 0.9936 terawatt-hours | 0.7713 terawatt-hours | Vietnam |
| 2000s | 0.2049 terawatt-hours | 1.62 terawatt-hours | 1.42 terawatt-hours | Vietnam |
| 2010s | 1.54 terawatt-hours | 3.61 terawatt-hours | 2.07 terawatt-hours | Vietnam |
| 2020s | 0.5813 terawatt-hours | 5.95 terawatt-hours | 5.37 terawatt-hours | Vietnam |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in primary energy from hydropower, Ecuador or Vietnam?
- Vietnam, at 13.1 terawatt-hours against 5.51 terawatt-hours in Ecuador as of 2025.
- What is the difference in annual change in primary energy from hydropower between Ecuador and Vietnam?
- 7.59 terawatt-hours, with Vietnam ahead.
- How many years of comparable data are there for Ecuador and Vietnam?
- 60 years are reported by both, from 1966 to 2025.
- How do Ecuador and Vietnam rank globally for annual change in primary energy from hydropower?
- Ecuador ranks 7th and Vietnam ranks 5th of 80 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 Annual 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
Change in total energy supply relative to the previous year, measured in terawatt-hours.