Iceland vs Tanzania: Primary energy use
Iceland
82.41 terawatt-hours
in 2025
Tanzania
79.19 terawatt-hours
in 2024
Iceland rank
95th
Tanzania rank
96th
Primary energy use over time
- Iceland
- Tanzania
How they compare
Iceland currently reports 82.41 terawatt-hours against 79.19 terawatt-hours in Tanzania, a difference of 3.22 terawatt-hours.
Across all 45 years both countries report, Iceland has been ahead every year.
Iceland ranks 95th and Tanzania ranks 96th of 218 countries.
Iceland has averaged higher in every one of the 5 decades both report.
Head to head by decade
| Decade | Iceland | Tanzania | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 12.77 terawatt-hours | 10.63 terawatt-hours | 2.14 terawatt-hours | Iceland |
| 1990s | 18.68 terawatt-hours | 11.89 terawatt-hours | 6.78 terawatt-hours | Iceland |
| 2000s | 44.18 terawatt-hours | 22.27 terawatt-hours | 21.91 terawatt-hours | Iceland |
| 2010s | 76.58 terawatt-hours | 47.09 terawatt-hours | 29.49 terawatt-hours | Iceland |
| 2020s | 84.51 terawatt-hours | 71.22 terawatt-hours | 13.28 terawatt-hours | Iceland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy use, Iceland or Tanzania?
- Iceland, at 82.41 terawatt-hours against 79.19 terawatt-hours in Tanzania as of 2025.
- What is the difference in primary energy use between Iceland and Tanzania?
- 3.22 terawatt-hours, with Iceland ahead.
- How many years of comparable data are there for Iceland and Tanzania?
- 45 years are reported by both, from 1980 to 2024.
- How do Iceland and Tanzania rank globally for primary energy use?
- Iceland ranks 95th and Tanzania ranks 96th of 218 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 Primary energy use. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured in terawatt-hours of total energy supply.