This study aims to measure the effectiveness of energy access based on the indicators of the seventh sustainable developmet goals (SDGs) in 50 countries that are members of the OIC during the period 2010-2017. Efficiency measurements are carried out using the Data Envelopment Analysis (DEA) method. The productivity measurement is done by using the Malmquist Productivity Index (MPI). The results showed that Yemen was the country that had the highest rate of increase with a TFP value of . While the State of Egypt was the country that experienced the largest decline with a TFP value of . |