OPEC Membership, Quota System & Production Policy Milestones for Iran (1960-2025)_

Non-continuous dated milestones: 1960 founding membership, 1973 nationalization, 1982 first quota system, 1986 quota collapse, 1990-1993 revisions, 2016/2018 sanctions-era exemption/re-sanctioning, 2020 production trough (1.93M b/d), 2024 recovery.