Literacy rate in the Muslim world varies. Some members such as Kuwait, Kazakhstan, Tajikistan and Turkmenistan have over 97% literacy rates, whereas literacy rates are the lowest in Mali, Afghanistan, Chad and parts of Africa. In 2015, the International Islamic News Agency reported that nearly 37% of the population of the Muslim world is unable to read or write, basing that figure on reports from the <answer>Organisation of Islamic Cooperation and the Islamic Educational, Scientific and Cultural Organization</answer>.
What organizations studied literacy in the Muslim World in 2015?
Organisation of Islamic Cooperation and the Islamic Educational, Scientific and Cultural Organization