According to the reference case of OPEC's World Energy Model (OWEM), total world oil demand in 2006 was put at 84.7 million barrels per day. As world economic growth continues, crude oil demand will also rise to 96.1m b/d in 2015, 102.2m b/d by 2020, and 113,3 mb/d by 2030, according to OPEC's "World Oil Outlook 2008" (page 33) reference case figures.