Iran vs Tonga: Share of primary energy from nuclear
Iran
0.4%
in 2025
Tonga
0.0%
in 2024
Iran rank
31st
Tonga rank
32nd
Share of primary energy from nuclear over time
- Iran
- Tonga
How they compare
Iran currently reports 0.4% against 0.0% in Tonga, a difference of 0.4%.
The two have swapped places 1 time across 45 shared years of data; in 1980 it was Tonga ahead.
Iran ranks 31st and Tonga ranks 32nd of 215 countries.
Iran has averaged higher in every one of the 5 decades both report.
Head to head by decade
| Decade | Iran | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 0.0% | 0.0% | 0.0% | — |
| 1990s | 0.0% | 0.0% | 0.0% | — |
| 2000s | 0.0% | 0.0% | 0.0% | — |
| 2010s | 0.4% | 0.0% | 0.4% | Iran |
| 2020s | 0.5% | 0.0% | 0.5% | Iran |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of primary energy from nuclear, Iran or Tonga?
- Iran, at 0.4% against 0.0% in Tonga as of 2025.
- What is the difference in share of primary energy from nuclear between Iran and Tonga?
- 0.4%, with Iran ahead.
- How many years of comparable data are there for Iran and Tonga?
- 45 years are reported by both, from 1980 to 2024.
- How do Iran and Tonga rank globally for share of primary energy from nuclear?
- Iran ranks 31st and Tonga ranks 32nd of 215 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as Share of primary energy from nuclear. 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.