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Data Provider: Welsh Government National Statistics Population estimates by local health boards and gender
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Wales[Collapse]Betsi Cadwaladr University Health BoardW11000023344,970353,399698,369
[Collapse]Powys Teaching Health BoardW1100002465,59166,856132,447
[Collapse]Hywel Dda University Health BoardW11000025189,363196,252385,615
[Collapse]Swansea Bay University Health BoardW11000031193,445195,927389,372
[Collapse]Cwm Taf Morgannwg University Health BoardW11000030219,122226,068445,190
[Collapse]Aneurin Bevan University Health BoardW11000028290,206301,019591,225
[Collapse]Cardiff and Vale University Health BoardW11000029244,612251,801496,413


Mid-year population estimates (2009 onwards), by Welsh health boards, for single year of age and gender

Last update
June 2019 June 2019

Next update
June 2020

Publishing organisation
Welsh Government

Source 1
Mid-year population estimates, Office for National Statistics

Contact email

National Statistics

Lowest level of geographical disaggregation
Local health boards

Geographical coverage

Languages covered
English and Welsh

Data licensing
You may use and re-use this data free of charge in any format or medium, under the terms of the Open Government License - see

General description
This dataset provides population estimates for the local health boards in Wales, for the period from 2009 onwards by gender and single year of age, together with some aggregated age groups.

This material is Crown Copyright and may be re-used (not including logos) free of charge in any format or medium, under the terms of the Open Government Licence.

Data collection and calculation
See weblinks

Frequency of publication

Data reference periods
Data are produced and reported annually and relate to the 30 June of each year from 2009 onwards.

Users, uses and context
The data presented here are used by central government departments and local authorities for a range of purposes including planning and monitoring of services and as denominators for the calculation of various rates and indicators.

Rounding applied
Data are provided on an unrounded basis although the Office for National Statistics advises that any results presented from these data are rounded to the nearest 100 where practical.

Revisions information
The data presented here reflect changes made to population estimates from 2009 to 2010 in re-basing the data to be consistent with the results of the 2011 Census (see weblinks).

Mid-2012 to mid-2016 subnational population estimates for England and Wales were revised on the 22 March 2018, following methodological improvements (see weblinks).

From 1st April 2019 health service provision for residents of Bridgend local authority moved from Abertawe Bro Morgannwg to Cwm Taf. For more information see the joint statement from Cwm Taf and Abertawe Bro Morgannwg University Health Boards (see weblinks). The health board names have changed with Cwm Taf University Health Board becoming Cwm Taf Morgannwg University Health Board and Abertawe Bro Morgannwg University Health Board becoming Swansea Bay University Health Board. A link to the statement from the minister for health and social service can be found in the weblinks section.

Statistical quality
See weblinks

Population Wales; Population Local Health Boards; LHB population