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Population estimates by national park, year, sex and age

See what variables and values are shown in your table

Variable	Visibility	Selected values	Action
Data description	Shown in table	Population	Value cannot be changed
Year	Shown in table	All 24 values	Change values
Age	Shown in table	All 103 values	Change values
Sex	Shown in table	All 3 values	Change values
Area	Shown in table	All 3 values	Change values

Table

Data values	Data description	Year	Age	Sex	Area
33,804	Population	Mid-year 2024	All Ages	Persons	Bannau Brycheiniog
21,285	Population	Mid-year 2024	All Ages	Persons	Pembrokeshire Coast
24,536	Population	Mid-year 2024	All Ages	Persons	Eryri
16,754	Population	Mid-year 2024	All Ages	Male	Bannau Brycheiniog
10,371	Population	Mid-year 2024	All Ages	Male	Pembrokeshire Coast
12,207	Population	Mid-year 2024	All Ages	Male	Eryri
17,050	Population	Mid-year 2024	All Ages	Female	Bannau Brycheiniog
10,914	Population	Mid-year 2024	All Ages	Female	Pembrokeshire Coast
12,329	Population	Mid-year 2024	All Ages	Female	Eryri
4,796	Population	Mid-year 2024	Aged 0 to 15	Persons	Bannau Brycheiniog
2,709	Population	Mid-year 2024	Aged 0 to 15	Persons	Pembrokeshire Coast
3,313	Population	Mid-year 2024	Aged 0 to 15	Persons	Eryri
2,499	Population	Mid-year 2024	Aged 0 to 15	Male	Bannau Brycheiniog
1,388	Population	Mid-year 2024	Aged 0 to 15	Male	Pembrokeshire Coast
1,712	Population	Mid-year 2024	Aged 0 to 15	Male	Eryri
2,297	Population	Mid-year 2024	Aged 0 to 15	Female	Bannau Brycheiniog
1,321	Population	Mid-year 2024	Aged 0 to 15	Female	Pembrokeshire Coast
1,601	Population	Mid-year 2024	Aged 0 to 15	Female	Eryri
19,060	Population	Mid-year 2024	Aged 16 to 64	Persons	Bannau Brycheiniog
11,318	Population	Mid-year 2024	Aged 16 to 64	Persons	Pembrokeshire Coast
13,834	Population	Mid-year 2024	Aged 16 to 64	Persons	Eryri
9,564	Population	Mid-year 2024	Aged 16 to 64	Male	Bannau Brycheiniog
5,530	Population	Mid-year 2024	Aged 16 to 64	Male	Pembrokeshire Coast
6,890	Population	Mid-year 2024	Aged 16 to 64	Male	Eryri
9,496	Population	Mid-year 2024	Aged 16 to 64	Female	Bannau Brycheiniog

Showing 1 to 25 of 22,248 rows

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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.

Next update expected:2026

Updates

• 27th February 2026: Dataset first published.

Main information

• Designation: Official statistics in development
• Data provider: Office for National Statistics (ONS)
• Data source: Mid-year population estimates for National Park areas

Overview

• Summary of dataset and variables:

  This dataset provides population estimates for the national park areas in Wales for the period from 2001 onwards by sex and single year of age, together with some aggregated age groups.

  On 12 March 2025, the Office for National Statistics (ONS) revised the data set for mid-2012 to mid-2020. This was due to an incorrect file being used to calculate the national park population estimates. More information can be found on the ONS website.

  Population estimates for mid-2022 have been revised to account for improvements to the disaggregation of international migration from the UK level down to local authority by age and sex and updated internal migration using a more complete set of Personal Demographics Service data.

• Data collection or calculation:

  The Office for National Statistics (ONS) publish mid-year population estimates for national parks. 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 national parks. Further information on statistical quality can be found on the ONS' website. A link can be found in the weblink section.

• Related reports:
  • National park population estimates

Published by

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