Iran vs Tonga: Primary energy from nuclear

Iran
16.33 terawatt-hours
in 2025
Tonga
0 terawatt-hours
in 2024
Iran rank
29th
Tonga rank
32nd

Primary energy from nuclear over time

  • Iran
  • Tonga
05101520196519952025

How they compare

Iran currently reports 16.33 terawatt-hours against 0 terawatt-hours in Tonga, a difference of 16.33 terawatt-hours.

The two have swapped places 1 time across 45 shared years of data; in 1980 it was Tonga ahead.

Iran ranks 29th and Tonga ranks 32nd of 213 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 terawatt-hours 0 terawatt-hours 0 terawatt-hours
1990s 0 terawatt-hours 0 terawatt-hours 0 terawatt-hours
2000s 0 terawatt-hours 0 terawatt-hours 0 terawatt-hours
2010s 12.15 terawatt-hours 0 terawatt-hours 12.15 terawatt-hours Iran
2020s 18.25 terawatt-hours 0 terawatt-hours 18.25 terawatt-hours Iran

Averages of every year both report within each decade.

Frequently asked questions

Which has higher primary energy from nuclear, Iran or Tonga?
Iran, at 16.33 terawatt-hours against 0 terawatt-hours in Tonga as of 2025.
What is the difference in primary energy from nuclear between Iran and Tonga?
16.33 terawatt-hours, 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 primary energy from nuclear?
Iran ranks 29th and Tonga ranks 32nd of 213 countries.
Where does this data come from?
Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as Primary energy from nuclear. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator
Primary energy from nuclear
Unit
terawatt-hours
Source
Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
221 places, 10,754 data points, 1965–2025
Last refreshed

Measured in terawatt-hours of total energy supply.