Japan vs Vietnam: Share of primary energy from solar
Japan
2.4%
in 2025
Vietnam
2.6%
in 2025
Japan rank
25th
Vietnam rank
23rd
Share of primary energy from solar over time
- Japan
- Vietnam
How they compare
Vietnam currently reports 2.6% against 2.4% in Japan, a difference of 0.2%.
That makes Vietnam's figure about 1.1 times Japan's.
The two have swapped places 2 times across 61 shared years of data; in 1965 it was Vietnam ahead.
Japan ranks 25th and Vietnam ranks 23rd of 80 countries.
Across the 7 decades both report, Japan averaged higher in 3 and Vietnam in 1.
Head to head by decade
| Decade | Japan | Vietnam | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0.0% | 0.0% | 0.0% | β |
| 1970s | 0.0% | 0.0% | 0.0% | β |
| 1980s | 0.0% | 0.0% | 0.0% | β |
| 1990s | 0.0% | 0.0% | 0.0% | Japan |
| 2000s | 0.0% | 0.0% | 0.0% | Japan |
| 2010s | 0.6% | 0.0% | 0.6% | Japan |
| 2020s | 2.0% | 2.4% | 0.4% | Vietnam |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of primary energy from solar, Japan or Vietnam?
- Vietnam, at 2.6% against 2.4% in Japan as of 2025.
- What is the difference in share of primary energy from solar between Japan and Vietnam?
- 0.2%, with Vietnam ahead.
- How many years of comparable data are there for Japan and Vietnam?
- 61 years are reported by both, from 1965 to 2025.
- How do Japan and Vietnam rank globally for share of primary energy from solar?
- Japan ranks 25th and Vietnam ranks 23rd 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.