how many members does the national wildlife federation have
(February 2015). The National Wildlife Federation (NWF) is the United States ' largest private, nonprofit conservation education and advocacy organization, with over four million members and supporters, and 48 state and territorial affiliated organizations.ational Wildlife Federation publishes three magazines: National Wildlife Magazine (for adults) Ranger Rick (for children aged 7â12) and Ranger Rick Jr. (for children aged 4â7).