The book documents the process of setting up and implementing the Demographic Dividend project tested in Gueule Tapée-Fass-Colobane. It is the culmination of a long process of hard work. Produced under the direction of the Regional Director of the United Nations Population Fund (UNFPA), Mr. Mabingue Ngom with a preface by the Head of State of Senegal HE Mr. Macky Sall, the postafce is written by the Mayor of Fass Gueule Tapée Colobane, Mr. Ousmane Ndoye and Ms. Safietou Diop from the Siggil Jigeen Network network.