Japan vs Norway: Hydropower generation by region
Japan
74.25 terawatt-hours
in 2025
Norway
145.15 terawatt-hours
in 2025
Japan rank
9th
Norway rank
7th
Hydropower generation by region over time
- Japan
- Norway
How they compare
Norway currently reports 145.15 terawatt-hours against 74.25 terawatt-hours in Japan, a difference of 70.9 terawatt-hours.
That makes Norway's figure about 2.0 times Japan's.
The two have swapped places 5 times across 61 shared years of data; in 1965 it was Japan ahead.
Japan ranks 9th and Norway ranks 7th of 79 countries.
Across the 7 decades both report, Japan averaged higher in 2 and Norway in 5.
Head to head by decade
| Decade | Japan | Norway | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 74.55 terawatt-hours | 53.81 terawatt-hours | 20.74 terawatt-hours | Japan |
| 1970s | 78.49 terawatt-hours | 73.86 terawatt-hours | 4.63 terawatt-hours | Japan |
| 1980s | 83.39 terawatt-hours | 100.97 terawatt-hours | 17.58 terawatt-hours | Norway |
| 1990s | 83.37 terawatt-hours | 115.11 terawatt-hours | 31.75 terawatt-hours | Norway |
| 2000s | 81.73 terawatt-hours | 125.9 terawatt-hours | 44.17 terawatt-hours | Norway |
| 2010s | 80.85 terawatt-hours | 132.91 terawatt-hours | 52.06 terawatt-hours | Norway |
| 2020s | 76.85 terawatt-hours | 139.09 terawatt-hours | 62.24 terawatt-hours | Norway |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher hydropower generation by region, Japan or Norway?
- Norway, at 145.15 terawatt-hours against 74.25 terawatt-hours in Japan as of 2025.
- What is the difference in hydropower generation by region between Japan and Norway?
- 70.9 terawatt-hours, with Norway ahead.
- How many years of comparable data are there for Japan and Norway?
- 61 years are reported by both, from 1965 to 2025.
- How do Japan and Norway rank globally for hydropower generation by region?
- Japan ranks 9th and Norway ranks 7th of 79 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 Hydropower generation by region. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Figures are based on gross primary hydroelectric generation and do not account for cross-border electricity supply.