Iceland vs United Republic of Tanzania: Primary energy use
Iceland
82.41 terawatt-hours
in 2025
United Republic of Tanzania
79.19 terawatt-hours
in 2024
Iceland rank
96th
United Republic of Tanzania rank
97th
Primary energy use over time
- Iceland
- United Republic of Tanzania
How they compare
Iceland currently reports 82.41 terawatt-hours against 79.19 terawatt-hours in United Republic of Tanzania, a difference of 3.22 terawatt-hours.
Across all 45 years both countries report, Iceland has been ahead every year.
Iceland ranks 96th and United Republic of Tanzania ranks 97th of 219 countries.
Iceland has averaged higher in every one of the 5 decades both report.
Head to head by decade
| Decade | Iceland | United Republic of 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 United Republic of Tanzania?
- Iceland, at 82.41 terawatt-hours against 79.19 terawatt-hours in United Republic of Tanzania as of 2025.
- What is the difference in primary energy use between Iceland and United Republic of Tanzania?
- 3.22 terawatt-hours, with Iceland ahead.
- How many years of comparable data are there for Iceland and United Republic of Tanzania?
- 45 years are reported by both, from 1980 to 2024.
- How do Iceland and United Republic of Tanzania rank globally for primary energy use?
- Iceland ranks 96th and United Republic of Tanzania ranks 97th of 219 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 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.