This report, part of the “Cities” collection, provides an analysis of the demographic and morphological changes in West African border cities since the mid-20th century. Using the Africapolis harmonised database makes it possible to show that since 1950 border cities have experienced higher...

Urban population by city size is determined by population density and commuting patterns; this better reflects the economic function of cities in addition to their administrative boundaries. Urban areas in OECD countries are classified as: large metropolitan areas if they have a population of...