- Administrative Population Source Data:
- Northern Ireland source: Northern Ireland Census Access (NICA) - NI Census Analyser - Usually resident (http://www.nicensus2001.gov.uk/nica/common/home.js) and 1991 Census Tables, http://www.nisra.gov.uk/census/censusstatistics/1991/1991tables.html; Scotland source: SCROL - Scotland Census Result Online - Census Area Statistic Wards --SCROL Analyser http://www.scrol.gov.uk/scrol/common/home.jsp; England and Wales source: Office for National Statistics (ONS), Census 1991 and Census 2001, http://www.statistics.gov.uk/
- Administrative Boundary Source Data:
- Seamless Administrative Boundaries of Europe (SABE) distributed by MEGRIN: http://www.megrin.org/megrin.html; MEGRIN is now Eurographics: http://www.eurogeographics.org/eng/03_projects_sabe.asps (SABE v1995.2 date of release: 31 Mar 1998).
- Settlement Point Population Source Data:
- City Population, www.citypopulation.de; World Gazetteer, www.citypopulation.de;World Gazetteer, www.gazetteer.de
- Settlement Point Coordinate Source Data:
- Getty, Times Atlas of the World, 1999, NIMA
- Urban Criteria for Settlements (UN):
- England and Wales: urban areas formed of continuously built-up urban land, the largest urban areas forming agglomerations in which urban sub-divisions are recognised. Scotland: urban localities, similar in concept to urban areas in England and Wales, except that the urban localities as defined do not extend across local gov-ernment district boundaries. Northern Ireland: urban area formed of continuously built-up land, forming an agglomeration in which urban subdivisions are recognized.
- Administrative Population Edits and Notes:
- Population data are a hybrid of levels (on average= administrative level 3). The levels are: Northern Ireland - Electoral Wards (adm3); Scotland - Census Area Statistic Wards (adm3); England and Wales - Local Authority Districts/Unitary Authorities (adm2)
An administrative level 2 growth rate was calculated between the years 1990 and 2001 to extrapolate data to target years. A 5% rate cap was applied to select units.
- Administrative Spatial Edits and Notes:
- Spatial data are a hybrid of levels (on average= administrative level 3). The levels are: Northern Ireland - Electoral Wards (adm3); Scotland - Census Area Statistic Wards (adm3); England and Wales - Local Authority Districts/Unitary Authorities (adm2)
England and Wales edits:
? Alyn and Deeside, and Delyn merged to form Flintshire, thus 1991 population were aggregated.
? Boundaries of Glyndwr, Rhuddlan, Wrexham Maelor, Aberconwy, Colwyn, Brecknock, Montgomeryshire and Radnor, were merged and split to form the districts of Denbighshire, Wrexham, Conwy and Powys. Because of the some overlaps between the boundaries, the 1991, 2001 populations and polygons for all the units mentioned were aggregated and merged.
? Arfon, Dwyfor, and Meirionnydd were merged to form Gwynedd, thus 1991 population were aggregated.
? Boundaries of Rhonda, Cynon Valley, Taff-ely, and Cardiff were merged and split to form the districts of Rhonda-Cynon-Taff and Cardiff. Because of the some overlaps between the boundaries, the 1991, 2001 populations and polygons for all the units mentioned were aggregated and merged.
? Dinefwr, Carmathen, and Llanelli were merged to form Carmathenshire, thus 1991 population were aggregated.
? Boundaries of Swansea, Lliw Valley, Neath, and Port Talbot were merged and split to form the districts of Swansea and Neath Port Talbot. Because of the some overlaps between the boundaries, the 1991, 2001 populations and polygons for all the units mentioned were aggregated and merged.
? Boundaries of Hereford, South Herefordshire, Leominster, and Malvern Hills were merged and split to form the districts of Herefordshire and Malvern Hills. Because of the some overlaps between the boundaries, the 1991, 2001 populations and polygons for all the units mentioned were aggregated and merged
? South Wight and Medina were merged to form Isle of Wight, thus 1991 population were aggregated.
? Rhymney Valley and Islwyn were merged to form Caerphilly, thus 1991 population were aggregated.
? Rochester upon Medway and Gillingham were merged to form Medway, thus 1991 population were aggregated.
? Cleethorpes and Great Grimsby were merged to form North East Lincolnshire, thus 1991 population were aggregated.
? South Pembrokeshire and Preseli Pembrokeshire were merged to form Pembrokeshire, thus 1991 population were aggregated.
? Kingswood and Northavon were merged to form South Gloucestershire, thus 1991 population were aggregated.
? Boundaries of East Yorkshire, Beverley, Holderness, Boothferry, Scunthorpe and Glanford were merged and split to form the districts of East Riding of Yorkshire and North Lincolnshire. Because of the some overlaps between the boundaries, the 1991, 2001 populations and polygons for all the units mentioned were aggregated and merged.
? Boundaries of Ogwr and Vale of Glamorgam were merged and split to form the districts of Bridgend and The Vale of Glamorgam. Because of the some overlaps between the boundaries, the 1991, 2001 populations and polygons for all the units mentioned were aggregated and merged.
? Bath and Wansdyke were merged to form Bath and North East Somer, thus 1991 population were aggregated.
? Brighton and Hove were merged thus 1991 population were aggregated.
Scotland edits:
? No edits made
Northern Ireland edits:
? Aghanloo merged with Binevenagh
? Ardeevin, Ballyloughan, and Galgorm merged.
? Ballydown merged with The Cut
? Ballymagee merged with Ballycrochan
? Burren and Kilbroney, Rostrevor, and Derryleckagh merged
? Carryduff East and Carryduff West merged
? Comber North, Comber South and Comber West merged
? Crevagh and Springtown merged
? East, South and West merged
? Enagh, Coolessan and Greystone merged
? Farranshane and Shilvodan merged
? Kesh, Ederney and Lack merged with Lisnarick
? Knocklynn, Mount Sandel, and Dundooan merged
? Towns Park West merged with Glebe
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