The Organization of the Petroleum Exporting Countries is an organization enabling the co-operation of leading oil-producing countries in order to collectively influence the global oil market and maximize profit. It was founded on 14 September 1960 in Baghdad by the first five members. The organization, which currently comprises 12 member countries, accounted for an estimated 30 percent of global oil production. A 2022 report further details that OPEC member countries were responsible for approximately 38 percent of it. Additionally, it is estimated that 79.5 percent of the world's proven oil reserves are located within OPEC nations, with the Middle East alone accounting for 67.2 percent of OPEC's total reserves.

{{Infobox Geopolitical organization | conventional_long_name =पेट्रोलियम निर्यातक देशों का संगठन (ओपेक) | image_flag = Flag of OPEC.svg | image_map = OPEC.svg | org_type =अंतरराष्ट्रीय सम्पादक संघ | membership_type = सदस्य देश | membership =