USSR vs Vietnam: Annual change in primary energy from coal
USSR
-37.47 terawatt-hours
in 1984
Vietnam
20.29 terawatt-hours
in 2025
USSR rank
3rd
Vietnam rank
6th
Annual change in primary energy from coal over time
- USSR
- Vietnam
How they compare
Vietnam currently reports 20.29 terawatt-hours against -37.47 terawatt-hours in USSR, a difference of 57.76 terawatt-hours.
The two have swapped places 11 times across 19 shared years of data; in 1966 it was USSR ahead.
USSR ranks 3rd and Vietnam ranks 6th of 3 countries.
Across the 3 decades both report, USSR averaged higher in 2 and Vietnam in 1.
Head to head by decade
| Decade | USSR | Vietnam | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 54.6 terawatt-hours | 0.9429 terawatt-hours | 53.66 terawatt-hours | USSR |
| 1970s | 37.11 terawatt-hours | 1.68 terawatt-hours | 35.43 terawatt-hours | USSR |
| 1980s | -23.14 terawatt-hours | 0.3605 terawatt-hours | 23.51 terawatt-hours | Vietnam |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in primary energy from coal, USSR or Vietnam?
- Vietnam, at 20.29 terawatt-hours against -37.47 terawatt-hours in USSR as of 2025.
- What is the difference in annual change in primary energy from coal between USSR and Vietnam?
- 57.76 terawatt-hours, 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 change in primary energy from coal?
- USSR ranks 3rd and Vietnam ranks 6th of 3 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 change in primary energy from coal. 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.