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
402 [t]	Population	Mid-year 1991	Age 81	Persons	Torfaen
416 [t]	Population	Mid-year 1991	Age 81	Persons	Monmouthshire
627 [t]	Population	Mid-year 1991	Age 81	Persons	Newport
1,396 [t]	Population	Mid-year 1991	Age 81	Persons	Cardiff
234,242 [t]	Population	Mid-year 1991	Age 81	Persons	England
11,217 [t]	Population	Mid-year 1991	Age 81	Persons	North East
32,847 [t]	Population	Mid-year 1991	Age 81	Persons	North West
23,703 [t]	Population	Mid-year 1991	Age 81	Persons	Yorkshire and The Humber
18,686 [t]	Population	Mid-year 1991	Age 81	Persons	East Midlands
23,111 [t]	Population	Mid-year 1991	Age 81	Persons	West Midlands
24,891 [t]	Population	Mid-year 1991	Age 81	Persons	East
31,600 [t]	Population	Mid-year 1991	Age 81	Persons	London
40,052 [t]	Population	Mid-year 1991	Age 81	Persons	South East
28,135 [t]	Population	Mid-year 1991	Age 81	Persons	South West
278,151 [t]	Population	Mid-year 1991	Age 81	Persons	United Kingdom
23,265 [t]	Population	Mid-year 1991	Age 81	Persons	Scotland
6,085 [t]	Population	Mid-year 1991	Age 81	Persons	Northern Ireland
4,950 [t]	Population	Mid-year 1991	Age 81	Male	Wales
135	Population	Mid-year 1991	Age 81	Male	Isle of Anglesey
220	Population	Mid-year 1991	Age 81	Male	Gwynedd
285	Population	Mid-year 1991	Age 81	Male	Conwy
228	Population	Mid-year 1991	Age 81	Male	Denbighshire
237	Population	Mid-year 1991	Age 81	Male	Flintshire
177	Population	Mid-year 1991	Age 81	Male	Wrexham
268	Population	Mid-year 1991	Age 81	Male	Powys
112	Population	Mid-year 1991	Age 81	Male	Ceredigion
189	Population	Mid-year 1991	Age 81	Male	Pembrokeshire
351	Population	Mid-year 1991	Age 81	Male	Carmarthenshire
386	Population	Mid-year 1991	Age 81	Male	Swansea
199	Population	Mid-year 1991	Age 81	Male	Neath Port Talbot
210	Population	Mid-year 1991	Age 81	Male	Bridgend
193	Population	Mid-year 1991	Age 81	Male	Vale of Glamorgan
327	Population	Mid-year 1991	Age 81	Male	Rhondda Cynon Taf
88	Population	Mid-year 1991	Age 81	Male	Merthyr Tydfil
239	Population	Mid-year 1991	Age 81	Male	Caerphilly
120	Population	Mid-year 1991	Age 81	Male	Blaenau Gwent
142	Population	Mid-year 1991	Age 81	Male	Torfaen
151	Population	Mid-year 1991	Age 81	Male	Monmouthshire
194	Population	Mid-year 1991	Age 81	Male	Newport
499	Population	Mid-year 1991	Age 81	Male	Cardiff
81,469 [t]	Population	Mid-year 1991	Age 81	Male	England
3,656	Population	Mid-year 1991	Age 81	Male	North East
10,792	Population	Mid-year 1991	Age 81	Male	North West
8,143	Population	Mid-year 1991	Age 81	Male	Yorkshire and The Humber
6,725	Population	Mid-year 1991	Age 81	Male	East Midlands
7,969	Population	Mid-year 1991	Age 81	Male	West Midlands
9,130	Population	Mid-year 1991	Age 81	Male	East
10,845	Population	Mid-year 1991	Age 81	Male	London
14,097	Population	Mid-year 1991	Age 81	Male	South East
10,112	Population	Mid-year 1991	Age 81	Male	South West
96,187 [t]	Population	Mid-year 1991	Age 81	Male	United Kingdom
7,696 [t]	Population	Mid-year 1991	Age 81	Male	Scotland
2,072 [t]	Population	Mid-year 1991	Age 81	Male	Northern Ireland
9,609 [t]	Population	Mid-year 1991	Age 81	Female	Wales
232	Population	Mid-year 1991	Age 81	Female	Isle of Anglesey
465	Population	Mid-year 1991	Age 81	Female	Gwynedd
566	Population	Mid-year 1991	Age 81	Female	Conwy
410	Population	Mid-year 1991	Age 81	Female	Denbighshire
432	Population	Mid-year 1991	Age 81	Female	Flintshire
341	Population	Mid-year 1991	Age 81	Female	Wrexham
426	Population	Mid-year 1991	Age 81	Female	Powys
268	Population	Mid-year 1991	Age 81	Female	Ceredigion
367	Population	Mid-year 1991	Age 81	Female	Pembrokeshire
679	Population	Mid-year 1991	Age 81	Female	Carmarthenshire
799	Population	Mid-year 1991	Age 81	Female	Swansea
487	Population	Mid-year 1991	Age 81	Female	Neath Port Talbot
389	Population	Mid-year 1991	Age 81	Female	Bridgend
331	Population	Mid-year 1991	Age 81	Female	Vale of Glamorgan
717	Population	Mid-year 1991	Age 81	Female	Rhondda Cynon Taf
161	Population	Mid-year 1991	Age 81	Female	Merthyr Tydfil
453	Population	Mid-year 1991	Age 81	Female	Caerphilly
231	Population	Mid-year 1991	Age 81	Female	Blaenau Gwent
260	Population	Mid-year 1991	Age 81	Female	Torfaen
265	Population	Mid-year 1991	Age 81	Female	Monmouthshire
433	Population	Mid-year 1991	Age 81	Female	Newport
897	Population	Mid-year 1991	Age 81	Female	Cardiff
152,773 [t]	Population	Mid-year 1991	Age 81	Female	England
7,561	Population	Mid-year 1991	Age 81	Female	North East
22,055	Population	Mid-year 1991	Age 81	Female	North West
15,560	Population	Mid-year 1991	Age 81	Female	Yorkshire and The Humber
11,961	Population	Mid-year 1991	Age 81	Female	East Midlands
15,142	Population	Mid-year 1991	Age 81	Female	West Midlands
15,761	Population	Mid-year 1991	Age 81	Female	East
20,755	Population	Mid-year 1991	Age 81	Female	London
25,955	Population	Mid-year 1991	Age 81	Female	South East
18,023	Population	Mid-year 1991	Age 81	Female	South West
181,964 [t]	Population	Mid-year 1991	Age 81	Female	United Kingdom
15,569 [t]	Population	Mid-year 1991	Age 81	Female	Scotland
4,013 [t]	Population	Mid-year 1991	Age 81	Female	Northern Ireland
12,994 [t]	Population	Mid-year 1991	Age 82	Persons	Wales
334 [t]	Population	Mid-year 1991	Age 82	Persons	Isle of Anglesey
589 [t]	Population	Mid-year 1991	Age 82	Persons	Gwynedd
809 [t]	Population	Mid-year 1991	Age 82	Persons	Conwy
623 [t]	Population	Mid-year 1991	Age 82	Persons	Denbighshire
571 [t]	Population	Mid-year 1991	Age 82	Persons	Flintshire
520 [t]	Population	Mid-year 1991	Age 82	Persons	Wrexham
646 [t]	Population	Mid-year 1991	Age 82	Persons	Powys
332 [t]	Population	Mid-year 1991	Age 82	Persons	Ceredigion
463 [t]	Population	Mid-year 1991	Age 82	Persons	Pembrokeshire
862 [t]	Population	Mid-year 1991	Age 82	Persons	Carmarthenshire

Showing 328,601 to 328,700 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.