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OPEC+ countries outside OPEC

Ten countries outside OPEC take part in OPEC+ production decisions, led by Russia.

The full list

Former Soviet states 3

Post-Soviet oil producers that joined OPEC+ alongside Russia at its 2016 founding or shortly after.

• 🇷🇺Russia
• 🇦🇿Azerbaijan
• 🇰🇿Kazakhstan

Gulf/Middle Eastern non-OPEC producers 2

Regional oil producers outside OPEC's Statute that still coordinate output with it.

• 🇧🇭Bahrain
• 🇴🇲Oman

Other non-OPEC producers 5

Geographically dispersed producers that joined the Declaration of Cooperation.

• 🇲🇽Mexico
• 🇲🇾Malaysia
• 🇧🇳Brunei
• 🇸🇩Sudan
• 🇸🇸South Sudan

Not on the list

• United Arab Emirates: Explicitly exited BOTH OPEC and OPEC+/Declaration of Cooperation together, effective 1 May 2026 ('UAE announces decision to exit OPEC and OPEC+').
• Brazil: Joined only the lighter-weight OPEC+ 'Charter of Cooperation' — a dialogue forum without production quotas, distinct from the Declaration of Cooperation this list covers.

Questions

How many countries outside OPEC are in OPEC+?

Ten countries outside OPEC take part in OPEC+ production decisions, led by Russia.

Which countries are on the list?

Russia, Azerbaijan, Kazakhstan, Bahrain, Oman, Mexico, Malaysia, Brunei, Sudan and South Sudan.

What is an easy way to remember them?

3 + 2 + 5: three former Soviet states, two in the Gulf, and five more (Mexico, Malaysia, Brunei, Sudan, South Sudan).

Is the UAE in OPEC+?

No. The United Arab Emirates left both OPEC and OPEC+ on 1 May 2026.

More lists

Each name checked against at least two sources, one of them OPEC, on 28 September 2026. Next review by 28 March 2027.
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