CIS (EI) vs Sri Lanka: Share of primary energy from oil
CIS (EI)
23.0%
in 2025
Sri Lanka
72.5%
in 2025
CIS (EI) rank
2nd
Sri Lanka rank
5th
Share of primary energy from oil over time
- CIS (EI)
- Sri Lanka
How they compare
Sri Lanka currently reports 72.5% against 23.0% in CIS (EI), a difference of 49.5%.
That makes Sri Lanka's figure about 3.2 times CIS (EI)'s.
Across all 61 years both countries report, Sri Lanka has been ahead every year.
CIS (EI) ranks 2nd and Sri Lanka ranks 5th of 2 groups.
Sri Lanka has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | CIS (EI) | Sri Lanka | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 30.8% | 95.7% | 64.9% | Sri Lanka |
| 1970s | 36.3% | 94.4% | 58.1% | Sri Lanka |
| 1980s | 34.4% | 90.1% | 55.6% | Sri Lanka |
| 1990s | 26.6% | 88.3% | 61.7% | Sri Lanka |
| 2000s | 21.4% | 92.5% | 71.1% | Sri Lanka |
| 2010s | 22.7% | 81.3% | 58.6% | Sri Lanka |
| 2020s | 23.0% | 71.3% | 48.4% | Sri Lanka |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of primary energy from oil, CIS (EI) or Sri Lanka?
- Sri Lanka, at 72.5% against 23.0% in CIS (EI) as of 2025.
- What is the difference in share of primary energy from oil between CIS (EI) and Sri Lanka?
- 49.5%, with Sri Lanka ahead.
- How many years of comparable data are there for CIS (EI) and Sri Lanka?
- 61 years are reported by both, from 1965 to 2025.
- How do CIS (EI) and Sri Lanka rank globally for share of primary energy from oil?
- CIS (EI) ranks 2nd and Sri Lanka ranks 5th of 2 groups.
- 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 Share of primary energy from oil. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured as a percentage of total energy supply.