This collection of GIS data layers is the result of a review of political and administrative data contained in the Evolution of territorial divisions of Brazil project, published by IBGE in 2011. (http://www.ibge.gov.br/home/geociencias/geografia/default_evolucao.shtm). All layers are in shapefile format (polygons and points) representing the evolution of Brazilian states, municipalities and cities. Title supplied by cataloger. System requirements: Geographic Information Systems (GIS) software that reads ESRI shapefile format.