The immediate settlements next to the types of land indicated, not taking the authorities as a whole, contains about half of the population of those authorities: 1.6 million people and contained in the 2000 survey some of the most deprived wards in the country, characterised by lack of access to public transport, services, employment and affordable quality housing, in particular having many overspill estates from earlier slum clearance and London's urban planning – examples being from Thamesmead to Southend on Sea.