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

1st

Vietnam rank

4th

Annual change in primary energy from hydropower over time

USSR currently reports 22.63 terawatt-hours against 13.1 terawatt-hours in Vietnam, a difference of 9.52 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 1st and Vietnam ranks 4th of 3 groups.

Indicator: Annual change in primary energy from hydropower
Unit: terawatt-hours
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 82 places, 4,604 data points, 1966–2025
Last refreshed: 07 August 2026

Change in total energy supply relative to the previous year, measured in terawatt-hours.