The report showed that the largest output increase came from Saudi Arabia, while Iran recorded the biggest decline.
Saudi Arabia, the group's top producer, increased its output by 173,000 bpd to 9.35 million bpd. Iran’s production, meanwhile, declined by 62,000 bpd to 3.24 million bpd.
As a result, total OPEC crude output stood at 27.23 million bpd in June.
Meanwhile, total crude production by the OPEC+ group - which includes non-OPEC producers - rose by 349,000 bpd to 41.56 million bpd during the same period.
Global oil demand forecast remains unchanged
OPEC kept its forecast for global oil demand growth in 2025 unchanged, projecting an increase of around 1.3 million barrels per day (bpd) year-on-year to reach 105.13 million bpd.
Most of the growth is expected to come from non-OECD countries, where demand is projected to rise by 1.16 million bpd, while demand in OECD countries is forecast to grow by only 140,000 bpd.
Total demand from non-OECD countries is estimated at 59.33 million bpd, with OECD countries accounting for the remaining 45.8 million bpd.
For 2025, global oil demand is forecast to rise by a similar margin of 1.28 million bpd, reaching 106.42 million bpd. In 2026, demand growth is expected to be around 1.2 million bpd in non-OECD countries and just 80,000 bpd in OECD economies.
(Anadolu Agency, July 15, 2025)