Population estimates by local authority, year, sex and age

Standard shorthand is used in this table: [t] = total.

Data values	Data description	Year	Age	Sex	Area
378	Population	Mid-year 1991	Age 78	Male	Powys
176	Population	Mid-year 1991	Age 78	Male	Ceredigion
272	Population	Mid-year 1991	Age 78	Male	Pembrokeshire
461	Population	Mid-year 1991	Age 78	Male	Carmarthenshire
611	Population	Mid-year 1991	Age 78	Male	Swansea
345	Population	Mid-year 1991	Age 78	Male	Neath Port Talbot
325	Population	Mid-year 1991	Age 78	Male	Bridgend
251	Population	Mid-year 1991	Age 78	Male	Vale of Glamorgan
493	Population	Mid-year 1991	Age 78	Male	Rhondda Cynon Taf
123	Population	Mid-year 1991	Age 78	Male	Merthyr Tydfil
347	Population	Mid-year 1991	Age 78	Male	Caerphilly
167	Population	Mid-year 1991	Age 78	Male	Blaenau Gwent
200	Population	Mid-year 1991	Age 78	Male	Torfaen
210	Population	Mid-year 1991	Age 78	Male	Monmouthshire
307	Population	Mid-year 1991	Age 78	Male	Newport
652	Population	Mid-year 1991	Age 78	Male	Cardiff
115,090 [t]	Population	Mid-year 1991	Age 78	Male	England
5,407	Population	Mid-year 1991	Age 78	Male	North East
15,644	Population	Mid-year 1991	Age 78	Male	North West
11,631	Population	Mid-year 1991	Age 78	Male	Yorkshire and The Humber
9,398	Population	Mid-year 1991	Age 78	Male	East Midlands
11,725	Population	Mid-year 1991	Age 78	Male	West Midlands
12,861	Population	Mid-year 1991	Age 78	Male	East
14,912	Population	Mid-year 1991	Age 78	Male	London
19,660	Population	Mid-year 1991	Age 78	Male	South East
13,852	Population	Mid-year 1991	Age 78	Male	South West
136,311 [t]	Population	Mid-year 1991	Age 78	Male	United Kingdom
11,002 [t]	Population	Mid-year 1991	Age 78	Male	Scotland
3,084 [t]	Population	Mid-year 1991	Age 78	Male	Northern Ireland
11,459 [t]	Population	Mid-year 1991	Age 78	Female	Wales
297	Population	Mid-year 1991	Age 78	Female	Isle of Anglesey
573	Population	Mid-year 1991	Age 78	Female	Gwynedd
645	Population	Mid-year 1991	Age 78	Female	Conwy
506	Population	Mid-year 1991	Age 78	Female	Denbighshire
487	Population	Mid-year 1991	Age 78	Female	Flintshire
446	Population	Mid-year 1991	Age 78	Female	Wrexham
509	Population	Mid-year 1991	Age 78	Female	Powys
261	Population	Mid-year 1991	Age 78	Female	Ceredigion
428	Population	Mid-year 1991	Age 78	Female	Pembrokeshire
793	Population	Mid-year 1991	Age 78	Female	Carmarthenshire
920	Population	Mid-year 1991	Age 78	Female	Swansea
587	Population	Mid-year 1991	Age 78	Female	Neath Port Talbot
494	Population	Mid-year 1991	Age 78	Female	Bridgend
459	Population	Mid-year 1991	Age 78	Female	Vale of Glamorgan
900	Population	Mid-year 1991	Age 78	Female	Rhondda Cynon Taf
246	Population	Mid-year 1991	Age 78	Female	Merthyr Tydfil
526	Population	Mid-year 1991	Age 78	Female	Caerphilly
319	Population	Mid-year 1991	Age 78	Female	Blaenau Gwent
281	Population	Mid-year 1991	Age 78	Female	Torfaen
292	Population	Mid-year 1991	Age 78	Female	Monmouthshire
464	Population	Mid-year 1991	Age 78	Female	Newport
1,026	Population	Mid-year 1991	Age 78	Female	Cardiff
185,029 [t]	Population	Mid-year 1991	Age 78	Female	England
9,462	Population	Mid-year 1991	Age 78	Female	North East
26,733	Population	Mid-year 1991	Age 78	Female	North West
18,956	Population	Mid-year 1991	Age 78	Female	Yorkshire and The Humber
14,428	Population	Mid-year 1991	Age 78	Female	East Midlands
18,992	Population	Mid-year 1991	Age 78	Female	West Midlands
19,359	Population	Mid-year 1991	Age 78	Female	East
24,671	Population	Mid-year 1991	Age 78	Female	London
31,042	Population	Mid-year 1991	Age 78	Female	South East
21,386	Population	Mid-year 1991	Age 78	Female	South West
220,303 [t]	Population	Mid-year 1991	Age 78	Female	United Kingdom
18,783 [t]	Population	Mid-year 1991	Age 78	Female	Scotland
5,032 [t]	Population	Mid-year 1991	Age 78	Female	Northern Ireland
17,148 [t]	Population	Mid-year 1991	Age 79	Persons	Wales
449 [t]	Population	Mid-year 1991	Age 79	Persons	Isle of Anglesey
781 [t]	Population	Mid-year 1991	Age 79	Persons	Gwynedd
1,006 [t]	Population	Mid-year 1991	Age 79	Persons	Conwy
713 [t]	Population	Mid-year 1991	Age 79	Persons	Denbighshire
742 [t]	Population	Mid-year 1991	Age 79	Persons	Flintshire
663 [t]	Population	Mid-year 1991	Age 79	Persons	Wrexham
783 [t]	Population	Mid-year 1991	Age 79	Persons	Powys
504 [t]	Population	Mid-year 1991	Age 79	Persons	Ceredigion
647 [t]	Population	Mid-year 1991	Age 79	Persons	Pembrokeshire
1,180 [t]	Population	Mid-year 1991	Age 79	Persons	Carmarthenshire
1,487 [t]	Population	Mid-year 1991	Age 79	Persons	Swansea
846 [t]	Population	Mid-year 1991	Age 79	Persons	Neath Port Talbot
707 [t]	Population	Mid-year 1991	Age 79	Persons	Bridgend
603 [t]	Population	Mid-year 1991	Age 79	Persons	Vale of Glamorgan
1,271 [t]	Population	Mid-year 1991	Age 79	Persons	Rhondda Cynon Taf
311 [t]	Population	Mid-year 1991	Age 79	Persons	Merthyr Tydfil
836 [t]	Population	Mid-year 1991	Age 79	Persons	Caerphilly
439 [t]	Population	Mid-year 1991	Age 79	Persons	Blaenau Gwent
435 [t]	Population	Mid-year 1991	Age 79	Persons	Torfaen
465 [t]	Population	Mid-year 1991	Age 79	Persons	Monmouthshire
711 [t]	Population	Mid-year 1991	Age 79	Persons	Newport
1,569 [t]	Population	Mid-year 1991	Age 79	Persons	Cardiff
275,623 [t]	Population	Mid-year 1991	Age 79	Persons	England
13,726 [t]	Population	Mid-year 1991	Age 79	Persons	North East
38,563 [t]	Population	Mid-year 1991	Age 79	Persons	North West
28,337 [t]	Population	Mid-year 1991	Age 79	Persons	Yorkshire and The Humber
21,941 [t]	Population	Mid-year 1991	Age 79	Persons	East Midlands
27,773 [t]	Population	Mid-year 1991	Age 79	Persons	West Midlands
29,111 [t]	Population	Mid-year 1991	Age 79	Persons	East
37,041 [t]	Population	Mid-year 1991	Age 79	Persons	London
46,628 [t]	Population	Mid-year 1991	Age 79	Persons	South East
32,503 [t]	Population	Mid-year 1991	Age 79	Persons	South West
327,303 [t]	Population	Mid-year 1991	Age 79	Persons	United Kingdom
27,071 [t]	Population	Mid-year 1991	Age 79	Persons	Scotland

Showing 328,301 to 328,400 of 329,121 rows

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Main information

• Most recent update: 25 September 2025
• Next update expected: July 2026
• Designation: Accredited official statistics
• Data provider: Office for National Statistics (ONS)
• Data source: Mid-year population estimates

Data notes

Overview

• Summary of dataset and variables:

  This dataset provides population estimates for the local authorities in Wales, the English regions and the UK countries for the period from 1991 onwards by sex and single year of age.

  It should be noted that for mid-2020 there are some definitional changes (particularly affecting the migration components) compared with mid-2019 population estimates data and it is advised users read the Quality and Methodology Information section on the Office for National Statistics website.

  For Wales, England and Northern Ireland, the mid-2021 population estimates are the first population estimates to be based on the 2021 censuses for these countries. For Scotland, the census was moved to 2022. The mid-2022 population estimates are the first population estimates to be based on the 2022 Census for Scotland.

  On 23 November 2023, the data set from 2012 to 2020 for Wales and England were rebased to be consistent with the results of Census 2021. Northern Ireland published rebased 2012 to 2020 data on 29 June 2023. Scotland published rebased 2012 to 2020 data on 9 July 2024.

  On 15 July 2024 estimates for mid-2022 were revised by the ONS to account for updated estimates of international migration for Wales and England.

  On 30 July 2025 estimates for mid-2022 and mid-2023 were revised by the ONS to account for updated estimates of international migration for Wales and England.

  Internal migration estimates for mid-2023 have been produced using a different method to previous years, following a change to the variables available in the Higher Education Statistics Agency data.

• Data collection or calculation:

  The Office for National Statistics (ONS) publish mid-year population estimates for Wales and England as a whole. Further information on how the data are calculated can be found on the ONS' website. A link can be found in the weblink section.

• Statistical quality:

  The Office for National Statistics (ONS) publish mid-year population estimates for Wales and England as a whole. Further information on statistical quality can be found on the ONS' website. A link can be found in the weblink section.

• Related reports:
  • Mid-year population estimates for Wales bulletin, Welsh Government
  • Mid-year population estimates bulletin, ONS
  • Quality and Methodology Information, ONS
  • Mid-year population estimates for Scotland, NRS
  • Mid-year population estimates for Northern Ireland, NISRA

Published by

• Organisation: Welsh Government
• Contact email: stats.popcensus@gov.wales

Metadata

The metadata for this dataset is not included when you download the data. You can download this separately. This contains all the information from the 'About this dataset' tab.