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It also links postcodes to pre-2002 health areas, 1991 Census enumeration districts for England and Wales, 2001 Census Output Areas (OA) and Super Output Areas (SOA) for England and Wales, 2001 Census OAs and SOAs for Northern Ireland and 2001 Census OAs and Data Zones (DZ) for Scotland. [1]
For the purposes of directing mail, the United Kingdom (although the populations listed just show figures for England, Wales and Northern Ireland), is divided by Royal Mail into postcode areas. The postcode area is the largest geographical unit used and forms the initial characters of the alphanumeric UK postcode . [ 1 ]
At The Census & Geodemographics Group's [2] decennial conference, Tracking a Decade of Changing Britain, [3] CACI presented a paper on the demographic segmentation. CACI refrained from the traditional method, starting by separating the definition of the types from the assignment of postcodes to the types, allowing them to be assigned by algorithms.
Postcodes help calculate insurance premiums, designate destinations in route planning software, and serve as aggregation units in census enumeration. The Postcode Address File (PAF) database stores and updates the boundaries and address data for around 29 million addresses, ensuring accurate delivery and extensive utility beyond postal services.
ZIP Code Tabulation Areas (ZCTAs) are statistical entities developed by the United States Census Bureau for tabulating summary statistics. These were introduced with the Census 2000 and continued with the 2010 Census and 5 year American Community Survey [1] datasets. They were updated again for the 2020 census.
The 2021 United Kingdom census is the 23rd official census of the United Kingdom.Beginning in 1801, [1] they have been recorded every 10 years. The 2021 censuses of England, Wales, and Northern Ireland took place on 21 March 2021, and the census of Scotland took place 364 days later on 20 March 2022. [2]
The results from the 2001 census were produced using a methodology known as the One Number Census. [17] This was an attempt to adjust the census counts and impute answers to allow for estimated under-enumeration measured by the Census Coverage Survey (sample size 320,000 households), resulting in a single set of population estimates. [18]
It applies the principles of geodemography to consumer household and individual data collated from a number of government and commercial sources. The statistical development of the system was led by professor Richard Webber in association with Experian in the 1980s, and it has been regularly refreshed and reclassified since then, each based on ...