The World Bank is investing in the development of Africa's cities to overcome the lack of access to housing, services, and jobs. In the report: "Africa's Cities: Opening Doors to the World" [featured below], addressing the crowded informal settlements and little infrastructure is seen through the improvement of safe water, sanitation and hygiene. With a population of 1 billion predicted by 2040 and housing that currently costs 55% more than in other regions of the world, senior economist and co-author of the report states the situations is "dangerous".