There are three basic types of houses: wattle and daub construction with thatched roofs; galvanized sheet-iron structures; and houses constructed of wood. In 2000, There were 297,671 housing units nationwide. Of theses, about 65% were detached houses, 24.5% were semi-detached homes or blocks of flats. About 99% of all dwellings were privately owned. Most households have three to five people. About 83.7% of all dwellings have indoor piped water, 99% have electricity, 87.8% have an indoor kithcen, and 74.8% have an indoor bathroom.