Portugal vs Tanzania: Annual percentage change in primary energy use
Portugal
1.7%
in 2025
Tanzania
1.6%
in 2024
Portugal rank
104th
Tanzania rank
105th
Annual percentage change in primary energy use over time
- Portugal
- Tanzania
How they compare
Portugal currently reports 1.7% against 1.6% in Tanzania, a difference of 0.1%.
The two have swapped places 16 times across 44 shared years of data; in 1981 it was Tanzania ahead.
Portugal ranks 104th and Tanzania ranks 105th of 213 countries.
Across the 5 decades both report, Portugal averaged higher in 2 and Tanzania in 3.
Head to head by decade
| Decade | Portugal | Tanzania | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 5.7% | 3.4% | 2.3% | Portugal |
| 1990s | 4.0% | 1.3% | 2.7% | Portugal |
| 2000s | -0.4% | 8.6% | 8.9% | Tanzania |
| 2010s | -0.1% | 8.2% | 8.3% | Tanzania |
| 2020s | -3.3% | 5.9% | 9.2% | Tanzania |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual percentage change in primary energy use, Portugal or Tanzania?
- Portugal, at 1.7% against 1.6% in Tanzania as of 2025.
- What is the difference in annual percentage change in primary energy use between Portugal and Tanzania?
- 0.1%, with Portugal ahead.
- How many years of comparable data are there for Portugal and Tanzania?
- 44 years are reported by both, from 1981 to 2024.
- How do Portugal and Tanzania rank globally for annual percentage change in primary energy use?
- Portugal ranks 104th and Tanzania ranks 105th of 213 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 Annual percentage change in primary energy use. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Percentage change in total energy supply relative to the previous year.