Johanna Siméant is professor of political science at the University Paris 1 Panthéon Sorbonne (CESSP), and has published La cause des sans-papiers (1998), Le travail humanitaire (2002), La grève de la faim (2009), Contester au Mali (2014) and edited books.|Marie-Emmanuelle Pommerolle is assistant professor of political science at Paris 1 Sorbonne University. She is currently director of the French Institute of Research in Africa (IFRA) in Nairobi (Kenya). Isabelle Sommier is Full Professor of Political Sociology at Paris I Panthéon-Sorbonne University, former director of the CRPS (Centre de recherches politiques de la Sorbonne) and currently Deputy Director of the CESSP (Centre européen de sociologie et de science politique, a fusion between CRPS and CSE Bourdieu institute). She has published on the theory of social movements, political violence, radicalization and terrorism.

• Acknowledgements, Introduction, What can quantitative surveys tell us about GJM activists?. Activist encounters at the World Social Forum, Mapping a population and its taste in tactics, Women’s issues and activists at the World Social Forum in Dakar, Division of labor and partnerships in transnational social movements, Making waste (in)visible at the Dakar World Social Forum, Latin Americans at the World Social Forum in Dakar, Tania Navarro Rodríguez and Héloïse Nez Groups and organizations at the WSF, Stepping back from your figures to figure out more, Conclusion, Technical appendix: Surveying an international event through a multinational team, General data on participants, Appendix to Chapter 8 on groups and organizations: Clusters obtained by Ascending Hierarchical Clustering, Questionnaire for participants to the Dakar World Social Forum, Editors' Biographies, Bibliography, Index