With an average adult literacy rate of 71.7% in 2010, OIC countries as a group lagged well behind the world average of 80.1% and also the other developing countries' average of 82.5%.
(With an average adult literacy rate of 71.7% in 2010, OIC countries as a group lagged well behind the world average of 80.1% and also the other developing countries' average of 82.5%.)