The Organisation of Petroleum Exporting Countries, which accounts for around 35 per cent of global crude output, forecast total average oil demand of 89.7 million barrels per day, up 0.8 mbpd from 2012, unchanged from its pervious projection.
"A fragile recovery in the global economy has been visible since the beginning of the year, but momentum has started slowing again and growth risks are skewed to the downside," the cartel said.
This likely reflected "some weakness" in Chinese economic activity, with data for first-quarter economic growth coming in below consensus at 7.7 per cent, OPEC noted.