A more recent United Kingdom census took place in 2021, but as of March 2024[update], the subdivision data has not yet been published.
The "settlements" in this table are the "Built-up area subdivisions" used by the Office for National Statistics in the 2011 United Kingdom census.
Similarly, the town of Blackpool has a slightly higher population than its unitary authority, due to the urban subdivision including some small areas situated outside the district.
Historically, the county of Lancashire covered a much wider area before boundary changes were introduced in 1974.
Notable examples are Bolton, Bury, Heywood, Horwich, Leigh, Southport, St. Helens and Wigan, and as well as cities such as Manchester, Liverpool and Salford.