OECD (EI) vs Vietnam: Annual change in primary energy from hydropower
OECD (EI)
-53.01 terawatt-hours
in 2025
Vietnam
13.1 terawatt-hours
in 2025
OECD (EI) rank
2nd
Vietnam rank
5th
Annual change in primary energy from hydropower over time
- OECD (EI)
- Vietnam
How they compare
Vietnam currently reports 13.1 terawatt-hours against -53.01 terawatt-hours in OECD (EI), a difference of 66.11 terawatt-hours.
The two have swapped places 33 times across 60 shared years of data; in 1966 it was OECD (EI) ahead.
OECD (EI) ranks 2nd and Vietnam ranks 5th of 2 groups.
Across the 7 decades both report, OECD (EI) averaged higher in 5 and Vietnam in 2.
Head to head by decade
| Decade | OECD (EI) | Vietnam | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 30.19 terawatt-hours | 0.05 terawatt-hours | 30.14 terawatt-hours | OECD (EI) |
| 1970s | 28.22 terawatt-hours | 0.046 terawatt-hours | 28.17 terawatt-hours | OECD (EI) |
| 1980s | 7.3 terawatt-hours | 0.2838 terawatt-hours | 7.01 terawatt-hours | OECD (EI) |
| 1990s | 20.25 terawatt-hours | 0.9936 terawatt-hours | 19.26 terawatt-hours | OECD (EI) |
| 2000s | -2.81 terawatt-hours | 1.62 terawatt-hours | 4.43 terawatt-hours | Vietnam |
| 2010s | 8.7 terawatt-hours | 3.61 terawatt-hours | 5.08 terawatt-hours | OECD (EI) |
| 2020s | -11.06 terawatt-hours | 5.95 terawatt-hours | 17.01 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, OECD (EI) or Vietnam?
- Vietnam, at 13.1 terawatt-hours against -53.01 terawatt-hours in OECD (EI) as of 2025.
- What is the difference in annual change in primary energy from hydropower between OECD (EI) and Vietnam?
- 66.11 terawatt-hours, with Vietnam ahead.
- How many years of comparable data are there for OECD (EI) and Vietnam?
- 60 years are reported by both, from 1966 to 2025.
- How do OECD (EI) and Vietnam rank globally for annual change in primary energy from hydropower?
- OECD (EI) ranks 2nd and Vietnam ranks 5th of 2 groups.
- 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.