CIS (EI) vs Portugal: Annual percentage change in primary energy from gas
CIS (EI)
0.3%
in 2025
Portugal
11.0%
in 2025
CIS (EI) rank
3rd
Portugal rank
5th
Annual percentage change in primary energy from gas over time
- CIS (EI)
- Portugal
How they compare
Portugal currently reports 11.0% against 0.3% in CIS (EI), a difference of 10.7%.
That makes Portugal's figure about 33.5 times CIS (EI)'s.
The two have swapped places 10 times across 28 shared years of data; in 1998 it was Portugal ahead.
CIS (EI) ranks 3rd and Portugal ranks 5th of 3 groups.
Across the 4 decades both report, CIS (EI) averaged higher in 1 and Portugal in 3.
Head to head by decade
| Decade | CIS (EI) | Portugal | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 2.4% | 439.2% | 436.8% | Portugal |
| 2000s | 1.1% | 8.2% | 7.1% | Portugal |
| 2010s | 1.5% | 3.1% | 1.6% | Portugal |
| 2020s | 1.2% | -6.0% | 7.1% | CIS (EI) |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual percentage change in primary energy from gas, CIS (EI) or Portugal?
- Portugal, at 11.0% against 0.3% in CIS (EI) as of 2025.
- What is the difference in annual percentage change in primary energy from gas between CIS (EI) and Portugal?
- 10.7%, with Portugal ahead.
- How many years of comparable data are there for CIS (EI) and Portugal?
- 28 years are reported by both, from 1998 to 2025.
- How do CIS (EI) and Portugal rank globally for annual percentage change in primary energy from gas?
- CIS (EI) ranks 3rd and Portugal ranks 5th of 3 groups.
- 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 Annual percentage change in primary energy from gas. 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.