A nationwide census, commonly known as Census 1991, was conducted in the United Kingdom on Sunday 21 April 1991. This was the 19th UK census. Census 1991 was organised by the Office of Population Censuses and Surveys in England and Wales, the General Register Office for Scotland and the Census Office for Northern Ireland. Detailed results by region, council area, ward and output area are available from their respective websites. The cost of the census was estimated at £140m, or around £7 per household. 117,500 enumerators were employed to assist with collection of census forms in Great Britain.