This document presents the OL Ranking, which ranks the most popular world opposition leaders based on their use of social media to build opposition networks. It analyzes their future potential, experience in office, and social media popularity. The top 3 opposition leaders are Anwar Ibrahim, Abhisit Vejjajiva, and Ed Miliband. It also lists the regional leaders and youngest and most experienced leaders. The document concludes with an explanation of what Opposition Leaders is and the services they provide to help opposition groups.