Median and mean age of the population

Population by age Source: Census 2001 Publisher: Neighbourhood Statistics Geographies: Output Area (OA), Lower Layer Super Output Area (LSOA), Middle Layer Super Output Area (MSOA), Ward, Local Authority District (LAD), Government Office Region (GOR), National Geographic coverage: England and Wales Time coverage: 2001 Type of data: Survey (census) Notes: Age is derived from the date of birth question on the 2001 Census, and is the age at a person's last birthday. Dates of birth that imply an age over 110 were treated as invalid and the person's age was imputed.