Japan vs Slovenia: Share of primary energy from solar
Japan
2.4%
in 2025
Slovenia
2.2%
in 2025
Japan rank
25th
Slovenia rank
26th
Share of primary energy from solar over time
- Japan
- Slovenia
How they compare
Japan currently reports 2.4% against 2.2% in Slovenia, a difference of 0.2%.
That makes Japan's figure about 1.1 times Slovenia's.
The two have swapped places 2 times across 36 shared years of data; in 1990 it was Japan ahead.
Japan ranks 25th and Slovenia ranks 26th of 80 countries.
Japan has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Japan | Slovenia | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 0.0% | 0.0% | 0.0% | Japan |
| 2000s | 0.0% | 0.0% | 0.0% | Japan |
| 2010s | 0.6% | 0.3% | 0.3% | Japan |
| 2020s | 2.0% | 1.3% | 0.7% | Japan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of primary energy from solar, Japan or Slovenia?
- Japan, at 2.4% against 2.2% in Slovenia as of 2025.
- What is the difference in share of primary energy from solar between Japan and Slovenia?
- 0.2%, with Japan ahead.
- How many years of comparable data are there for Japan and Slovenia?
- 36 years are reported by both, from 1990 to 2025.
- How do Japan and Slovenia rank globally for share of primary energy from solar?
- Japan ranks 25th and Slovenia ranks 26th of 80 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) β with major processing by Our World in Data, published as Share of primary energy from solar. 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.