Ireland vs Japan: Share of primary energy from fossil fuels
Ireland
86.0%
in 2025
Japan
85.7%
in 2025
Ireland rank
39th
Japan rank
41st
Share of primary energy from fossil fuels over time
- Ireland
- Japan
How they compare
Ireland currently reports 86.0% against 85.7% in Japan, a difference of 0.3%.
The two have swapped places 4 times across 47 shared years of data; in 1979 it was Ireland ahead.
Ireland ranks 39th and Japan ranks 41st of 76 countries.
Across the 6 decades both report, Ireland averaged higher in 5 and Japan in 1.
Head to head by decade
| Decade | Ireland | Japan | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 99.2% | 92.9% | 6.2% | Ireland |
| 1980s | 99.2% | 87.5% | 11.7% | Ireland |
| 1990s | 99.3% | 83.3% | 16.0% | Ireland |
| 2000s | 98.6% | 83.1% | 15.5% | Ireland |
| 2010s | 94.0% | 92.5% | 1.5% | Ireland |
| 2020s | 88.2% | 88.6% | 0.4% | Japan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of primary energy from fossil fuels, Ireland or Japan?
- Ireland, at 86.0% against 85.7% in Japan as of 2025.
- What is the difference in share of primary energy from fossil fuels between Ireland and Japan?
- 0.3%, with Ireland ahead.
- How many years of comparable data are there for Ireland and Japan?
- 47 years are reported by both, from 1979 to 2025.
- How do Ireland and Japan rank globally for share of primary energy from fossil fuels?
- Ireland ranks 39th and Japan ranks 41st of 76 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 fossil fuels. 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.