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Welsh Index of Multiple Deprivation (WIMD) 2025 indicator data by Lower layer Super Output Area (LSOA) - health domain

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Data valuesData descriptionArea codeArea nameIndicator
7.0PercentageW01000003Amlwch PortSingle live births with low birth weight
0.0PercentageW01000004Amlwch RuralSingle live births with low birth weight
8.3PercentageW01000005BeaumarisSingle live births with low birth weight
6.3PercentageW01000006BodfforddSingle live births with low birth weight
3.8PercentageW01000007BodorganSingle live births with low birth weight
2.6PercentageW01000008BraintSingle live births with low birth weight
2.7PercentageW01000009BryngwranSingle live births with low birth weight
3.1PercentageW01000010BryntegSingle live births with low birth weight
4.1PercentageW01000011Cadnant (Isle of Anglesey)Single live births with low birth weight
4.4PercentageW01000012CefniSingle live births with low birth weight
6.6PercentageW01000013Cwm CadnantSingle live births with low birth weight
4.7PercentageW01000014CyngarSingle live births with low birth weight
1.6PercentageW01000015GwyngyllSingle live births with low birth weight
9.9PercentageW01000016Tref CybiSingle live births with low birth weight
4.3PercentageW01000017KingslandSingle live births with low birth weight
5.0PercentageW01000018LlanbadrigSingle live births with low birth weight
5.2PercentageW01000019Llanbedr-gochSingle live births with low birth weight
3.0PercentageW01000021LlaneilianSingle live births with low birth weight
2.0PercentageW01000022LlanfaethluSingle live births with low birth weight
6.8PercentageW01000023Llanfair-yn-Neubwll 1Single live births with low birth weight
4.8PercentageW01000024Llanfair-yn-Neubwll 2Single live births with low birth weight
4.1PercentageW01000025Llanfihangel YsgeifiogSingle live births with low birth weight
7.0PercentageW01000026LlangoedSingle live births with low birth weight
1.9PercentageW01000027LlanidanSingle live births with low birth weight
8.7PercentageW01000028Llannerch-y-meddSingle live births with low birth weight
10.9PercentageW01000029London RoadSingle live births with low birth weight
7.1PercentageW01000030MaeshyfrydSingle live births with low birth weight
3.8PercentageW01000031MechellSingle live births with low birth weight
9.2PercentageW01000033MorawelonSingle live births with low birth weight
6.5PercentageW01000034Parc a'r MynyddSingle live births with low birth weight
5.8PercentageW01000035PentraethSingle live births with low birth weight
2.8PercentageW01000036Porthyfelin 1Single live births with low birth weight
1.3PercentageW01000037Porthyfelin 2Single live births with low birth weight
4.2PercentageW01000038RhosyrSingle live births with low birth weight
0.0PercentageW01000040Trearddur 2Single live births with low birth weight
9.3PercentageW01000041TudurSingle live births with low birth weight
4.7PercentageW01000042TysilioSingle live births with low birth weight
7.0PercentageW01000044Valley 2Single live births with low birth weight
4.2PercentageW01000047AbererchSingle live births with low birth weight
5.7PercentageW01000050Abergwyngregyn, Llanllechid a LlandygaiSingle live births with low birth weight
6.5PercentageW01000051Y BalaSingle live births with low birth weight
5.0PercentageW01000052BethelSingle live births with low birth weight
2.6PercentageW01000053Ceunant, Cwm-y-gloSingle live births with low birth weight
4.5PercentageW01000054Y Bontnewydd a LlanfaglanSingle live births with low birth weight
3.6PercentageW01000056Bowydd a'r RhiwSingle live births with low birth weight
7.9PercentageW01000057Brithdir a Llanfachreth, Y Ganllwyd a LlanelltudSingle live births with low birth weight
8.7PercentageW01000059CadnantSingle live births with low birth weight
2.4PercentageW01000060Corris a MawddwySingle live births with low birth weight
7.1PercentageW01000061CricciethSingle live births with low birth weight
11.8PercentageW01000062DeiniolSingle live births with low birth weight
5.9PercentageW01000063DeiniolenSingle live births with low birth weight
4.9PercentageW01000064DewiSingle live births with low birth weight
7.3PercentageW01000065Diffwys a MaenofferenSingle live births with low birth weight
3.9PercentageW01000066DolbenmaenSingle live births with low birth weight
7.0PercentageW01000067Gogledd DolgellauSingle live births with low birth weight
3.1PercentageW01000068De DolgellauSingle live births with low birth weight
1.0PercentageW01000070Efailnewydd a BuanSingle live births with low birth weight
6.5PercentageW01000071Gerlan a RachubSingle live births with low birth weight
3.3PercentageW01000072GlyderSingle live births with low birth weight
3.4PercentageW01000073Y GroeslonSingle live births with low birth weight
8.2PercentageW01000074HarlechSingle live births with low birth weight
7.2PercentageW01000075Hendre (Bangor)Single live births with low birth weight
3.3PercentageW01000076GarthSingle live births with low birth weight
6.1PercentageW01000077HiraelSingle live births with low birth weight
3.7PercentageW01000078Yr EiflSingle live births with low birth weight
4.5PercentageW01000080Abersoch a LlanbedrogSingle live births with low birth weight
4.9PercentageW01000081LlanberisSingle live births with low birth weight
7.5PercentageW01000082Llandderfel a LlanforSingle live births with low birth weight
5.9PercentageW01000083Llanuwchllyn a LlanycilSingle live births with low birth weight
0.0PercentageW01000084Llanengan a MynythoSingle live births with low birth weight
4.5PercentageW01000085Arthog, Llangelynnin a LlanegrynSingle live births with low birth weight
3.9PercentageW01000086Clynnog a LlanllyfniSingle live births with low birth weight
3.2PercentageW01000087LlanrugSingle live births with low birth weight
7.1PercentageW01000088Llanwnda, Rhostryfan a RhosgadfanSingle live births with low birth weight
3.1PercentageW01000089LlanystumdwySingle live births with low birth weight
4.7PercentageW01000090De MarchogSingle live births with low birth weight
8.4PercentageW01000091Gogledd MarchogSingle live births with low birth weight
5.8PercentageW01000092Bangor UchafSingle live births with low birth weight
4.5PercentageW01000093Menai a Doc Fictoria CaernarfonSingle live births with low birth weight
2.5PercentageW01000094Morfa NefynSingle live births with low birth weight
5.7PercentageW01000095NefynSingle live births with low birth weight
4.7PercentageW01000096De BethesdaSingle live births with low birth weight
2.3PercentageW01000097Gogledd BethesdaSingle live births with low birth weight
5.1PercentageW01000098PebligSingle live births with low birth weight
1.3PercentageW01000099Penisa'r-waun a BrynrefailSingle live births with low birth weight
5.9PercentageW01000100LlanfrothenSingle live births with low birth weight
6.1PercentageW01000101PenrhyndeudraethSingle live births with low birth weight
6.6PercentageW01000102PenrhosgarneddSingle live births with low birth weight
8.3PercentageW01000103Glasinfryn, Pentir, TreborthSingle live births with low birth weight
6.7PercentageW01000104Pen-y-groes (Gwynedd)Single live births with low birth weight
8.5PercentageW01000105Dwyrain PorthmadogSingle live births with low birth weight
7.4PercentageW01000106Gorllewin PorthmadogSingle live births with low birth weight
0.0PercentageW01000107Beddgelert, TremadogSingle live births with low birth weight
4.2PercentageW01000108Gogledd PwllheliSingle live births with low birth weight
4.7PercentageW01000109De PwllheliSingle live births with low birth weight
3.1PercentageW01000110Hendre (Caernarfon)Single live births with low birth weight
2.7PercentageW01000111SeiontSingle live births with low birth weight
10.8PercentageW01000112Talysarn, CarmelSingle live births with low birth weight
7.2PercentageW01000113TeiglSingle live births with low birth weight
3.9PercentageW01000114TrawsfynyddSingle live births with low birth weight
Showing 1 to 100 of 11,634 rows
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Next update expected:This dataset is not expected to be updated or replaced in the future

Updates

27th November 2025
27th November 2025
27th November 2025
27th November 2025
27th November 2025
Dataset first published.

Main information

Designation
Accredited official statistics
Data provider 1
Office for National Statistics (ONS)
Data source 1
2021 Census
Data provider 2
Office for National Statistics (ONS)
Data source 2
Mid-year population estimates
Data provider 3
Office for National Statistics (ONS)
Data source 3
Births registrations
Data provider 4
Office for National Statistics (ONS)
Data source 4
Deaths registrations
Data provider 5
Public Health Wales
Data source 5
Child Measurement Programme (CMP) for Wales
Data provider 6
Public Health Wales
Data source 6
Welsh Cancer Intelligence and Surveillance Unit (WCISU)
Data provider 7
Digital Health and Care Wales (DHCW)
Data source 7
Audit+

Overview

Summary of dataset and variables

The Welsh Index of Multiple Deprivation (WIMD) is the official measure of relative deprivation for small areas in Wales, ranking all 1,917 Lower Layer Super Output Areas (LSOAs) from most (rank 1) to least (rank 1,917) deprived. It combines 54 indicators grouped under 8 domains which have the following weights in the overall index: Income (22%), Employment (20%), Health (15%), Education (14%), Access to Services (10%), Housing (9%), Community Safety (5%), and Physical Environment (5%).

WIMD produces domain ranks and an overall index to identify areas with the highest concentrations of multiple types of deprivation. Most of the indicator values, some sub-indicator values and some sub-domain ranks are also published on StatsWales. Please see the WIMD guidance report and technical report for more information.

This table contains data for the 7 indicators that form the health domain. All indicators are rounded to one decimal place.

Data collection or calculation

The purpose of this domain is to measure lack of good health in all people, and to capture predictors of future health based on deprivation experienced in childhood.

The health domain contains indicators of:

  • percentage of low birth weight (live single births less than 2.5kg), 2015 to 2024 (ONS)

  • percentage of children aged 4 to 5 living with obesity, 5 years combined: 2016/17 (September 2016 to August 2017), 2017/18, 2018/19, 2022/23 and 2023/24 (Public Health Wales) – indicator data is not published for this (as explained in the technical report)

  • rate per 100 of chronic conditions diagnosed by GPs, July 2025 (Digital Health and Care Wales)

  • rate per 100 of mental health conditions diagnosed by GPs, July 2025 (Digital Health and Care Wales)

  • rate per 100 of cancer incidence, all malignancies excluding non-melanoma skin cancer, 2012 to 2021 (Public Health Wales)

  • rate per 100 of premature deaths (death under the age of 75), 2015 to 2024 (ONS)

  • rate per 100,000 of self-reported limiting long-term illness, 2021 (ONS, Census 2021)

Statistical quality

The WIMD 2025 data have been produced by professional statisticians using the latest data, rigorous analytical methods, and independent validation at every stage. WIMD 2025 builds on previous versions to ensure accuracy and reliability, combining 54 indicators from diverse sources (some but not all are based on official statistics sources) to minimize bias and strengthen robustness. Quality assurance included multiple checks, replication of results, and expert review with domain specialists and local authorities.

An indirect age-sex standardisation process was applied to 5 of the indicators, in order to adjust for different age and sex distributions amongst small area populations.

The data for each indicator has been investigated to assess the impact of the Covid-19 pandemic on trends and data quality.

The pandemic disrupted the data for one indicator, children living with obesity, which means that no data is available for Wales as a whole for 2019/20 to 2021/22.

Limiting long term illness was self-reported during March 2021, just over a year since the pandemic was declared. However data was found to be well correlated with Census 2011 trends used in WIMD 2019.

Two other indicators, cancer incidence and premature deaths, have ten year rolling timespans extending beyond the early phase of the pandemic (ending in 2021 and 2024 respectively). Some longer-term effects of the COVID pandemic are likely to be present in the data (albeit combined with a longer run of pre-pandemic data).

Related reports

Published by

Organisation
Welsh Government
Contact email
statsinclusion@gov.wales

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