The four cities comprising the Wellington metropolitan area have a total population of   with the urban area containing % of that population. The remaining areas are largely mountainous and sparsely farmed or parkland and are outside the urban area boundary. More than most cities, life is dominated by its central business district (CBD). Approximately 62,000 people work in the CBD, only 4,000 fewer than work in Auckland's CBD, despite that city having four times the population.