USSR vs Vietnam: Annual percentage change in primary energy from hydropower
USSR
12.5%
in 1984
Vietnam
14.8%
in 2025
USSR rank
15th
Vietnam rank
13th
Annual percentage change in primary energy from hydropower over time
- USSR
- Vietnam
How they compare
Vietnam currently reports 14.8% against 12.5% in USSR, a difference of 2.3%.
That makes Vietnam's figure about 1.2 times USSR's.
The two have swapped places 12 times across 19 shared years of data; in 1966 it was Vietnam ahead.
USSR ranks 15th and Vietnam ranks 13th of 71 countries.
Vietnam has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | USSR | Vietnam | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 9.3% | 12.3% | 2.9% | Vietnam |
| 1970s | 6.3% | 7.8% | 1.5% | Vietnam |
| 1980s | 3.6% | 12.5% | 9.0% | Vietnam |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual percentage change in primary energy from hydropower, USSR or Vietnam?
- Vietnam, at 14.8% against 12.5% in USSR as of 2025.
- What is the difference in annual percentage change in primary energy from hydropower between USSR and Vietnam?
- 2.3%, with Vietnam 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 percentage change in primary energy from hydropower?
- USSR ranks 15th and Vietnam ranks 13th of 71 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 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.