The first Riders system was in place in Lesotho in 1991 by then mainly following the charity model, followed by social entrepreneur approach to national scale operations in Zimbabwe (1993, where systems were developed which are integral in replications which followed thereafter) and Nigeria (1999). The Gambia (2002), Kenya (first 2003 and then 2007), return to Lesotho 2008, Malawi (2011) and, most recently, Liberia (2015) were added in turn.