one study projects that urban land cover in latin america could increase by by if current densities remain constant or by up to if densities were to decrease by just angel et al in recent decades population growth has been fastest in the municipalities surrounding the core municipality of puebla even if in absolute terms the city of puebla has still accounted for a large share of pueblatlaxcala s growth of these san martin texmelucan is the only municipality that does not border the city of puebla