Japan vs Portugal: Electricity as a share of primary energy
Japan
22.5%
in 2025
Portugal
23.4%
in 2025
Japan rank
15th
Portugal rank
12th
Electricity as a share of primary energy over time
- Japan
- Portugal
How they compare
Portugal currently reports 23.4% against 22.5% in Japan, a difference of 0.9%.
The two have swapped places 7 times across 41 shared years of data; in 1985 it was Japan ahead.
Japan ranks 15th and Portugal ranks 12th of 79 countries.
Across the 5 decades both report, Japan averaged higher in 3 and Portugal in 2.
Head to head by decade
| Decade | Japan | Portugal | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 15.7% | 14.2% | 1.5% | Japan |
| 1990s | 17.3% | 15.1% | 2.3% | Japan |
| 2000s | 18.4% | 16.9% | 1.5% | Japan |
| 2010s | 20.2% | 20.8% | 0.6% | Portugal |
| 2020s | 21.8% | 22.0% | 0.2% | Portugal |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher electricity as a share of primary energy, Japan or Portugal?
- Portugal, at 23.4% against 22.5% in Japan as of 2025.
- What is the difference in electricity as a share of primary energy between Japan and Portugal?
- 0.9%, with Portugal ahead.
- How many years of comparable data are there for Japan and Portugal?
- 41 years are reported by both, from 1985 to 2025.
- How do Japan and Portugal rank globally for electricity as a share of primary energy?
- Japan ranks 15th and Portugal ranks 12th of 79 countries.
- Where does this data come from?
- Ember (2026) and other sources β with major processing by Our World in Data, published as Electricity as a share of primary energy. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured as a percentage of total energy supply.