OPEC countries
12 oil-exporting countries are members of OPEC. Angola left in 2024, Ecuador in 2020 and Qatar in 2019. Members as of September 14, 2026.
OPEC members6 in Africa, 5 in Asia, 1 in South America
| # | Country | Population | Area | Continent |
|---|---|---|---|---|
| 1 |  Nigeria | 237,527,782 | 923,768 km² | Africa |
| 2 |  Iran | 92,417,681 | 1,648,195 km² | Asia |
| 3 |  Algeria | 47,435,312 | 2,381,741 km² | Africa |
| 4 |  Iraq | 47,020,774 | 437,072 km² | Asia |
| 5 |  Saudi Arabia | 36,973,555 | 2,250,000 km² | Asia |
| 6 |  Venezuela | 28,516,896 | 912,050 km² | South America |
| 7 |  United Arab Emirates | 11,513,149 | 83,600 km² | Asia |
| 8 |  Libya | 7,458,555 | 1,759,541 km² | Africa |
| 9 |  Congo | 6,484,437 | 342,000 km² | Africa |
| 10 |  Kuwait | 4,865,298 | 17,818 km² | Asia |
| 11 |  Gabon | 2,593,130 | 267,667 km² | Africa |
| 12 |  Equatorial Guinea | 1,938,431 | 28,051 km² | Africa |
Questions
- How many OPEC countries are there?
- 12. 12 oil-exporting countries are members of OPEC. Angola left in 2024, Ecuador in 2020 and Qatar in 2019. Members as of September 14, 2026.
- Which has the largest population?
- Nigeria, with 238 million people. Then Iran (92 million people).
- Where are they?
- 6 in Africa, 5 in Asia, 1 in South America.
- How is the list made?
- It is a filter over the independent states on Kartavera — OPEC members — using the same figures as the atlas and its rankings. Territories are not included. Open it on the map to change any condition.
Other questions
Figures: area from Wikidata, population, GNI and life expectancy from the World Bank, forms of government from the CIA World Factbook. All sources.