According to the report, most OPEC countries now need relatively high oil prices compared to just a few years ago to generate the revenues that they need to balance their government budgets: "So the number of OPEC members able to tolerate low oil prices is shrinking."
Nigeria $80 (up from $20 six years ago)
Saudi Arabia $80 (up from $50 in 2008)
United Arab Emirates $80 (up from $20 in 2008)
Venezuela about $80