USSR vs Vietnam: Annual change in primary energy from hydropower
USSR
22.63 terawatt-hours
in 1984
Vietnam
13.1 terawatt-hours
in 2025
USSR rank
2nd
Vietnam rank
5th
Annual change in primary energy from hydropower over time
- USSR
- Vietnam
How they compare
USSR currently reports 22.63 terawatt-hours against 13.1 terawatt-hours in Vietnam, a difference of 9.53 terawatt-hours.
That makes USSR's figure about 1.7 times Vietnam's.
The two have swapped places 8 times across 19 shared years of data; in 1966 it was USSR ahead.
USSR ranks 2nd and Vietnam ranks 5th of 80 countries.
USSR has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | USSR | Vietnam | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 8.44 terawatt-hours | 0.05 terawatt-hours | 8.39 terawatt-hours | USSR |
| 1970s | 5.68 terawatt-hours | 0.046 terawatt-hours | 5.64 terawatt-hours | USSR |
| 1980s | 6.19 terawatt-hours | 0.1198 terawatt-hours | 6.07 terawatt-hours | USSR |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in primary energy from hydropower, USSR or Vietnam?
- USSR, at 22.63 terawatt-hours against 13.1 terawatt-hours in Vietnam as of 1984.
- What is the difference in annual change in primary energy from hydropower between USSR and Vietnam?
- 9.53 terawatt-hours, with USSR ahead.
- How many years of comparable data are there for USSR and Vietnam?
- 19 years are reported by both, from 1966 to 1984.
- How do USSR and Vietnam rank globally for annual change in primary energy from hydropower?
- USSR ranks 2nd 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.