This report provides a detailed overview of the methodology used to produce the 2015 Revision of the official United Nations population estimates and projections, prepared by the Population Division of the Department of Economic and Social Affairs of the United Nations Secretariat. The 2015 Revision is the twenty-fourth round of global population estimates and projections produced by the Population Division since 1951.
Chapter 1. The preparation of population estimates -- Chapter 2. The preparation of population projections.
