Local authority · W06000002
Population in Gwynedd
Every population series published for Gwynedd, each over its full published span. A series that begins part-way along began then: nothing earlier is published for this area, and no gap is filled in.
Net internal migration by local authority
In Gwynedd, net internal migration by local authority rose from -277 in Year to mid-2012 to -31 in Year to mid-2025, a change of 246 or 88.8% (ONS).
The chart as a table
| Period | Net internal migration by local authority |
|---|---|
| Year to mid-2012 | -277 people |
| Year to mid-2013 | -867 people |
| Year to mid-2014 | -514 people |
| Year to mid-2015 | -35 people |
| Year to mid-2016 | -496 people |
| Year to mid-2017 | 203 people |
| Year to mid-2018 | 34 people |
| Year to mid-2019 | 61 people |
| Year to mid-2020 | 984 people |
| Year to mid-2021 | -418 people |
| Year to mid-2022 | 230 people |
| Year to mid-2023 | 55 people |
| Year to mid-2024 | -98 people |
| Year to mid-2025 | -31 people |
ONS. Earlier years come from Internal migration net by local authority, 2012 to 2024, joined where the modern series has no figure; overlapping periods are never double-counted. Latest: -31 (Year to mid-2025). The national series and its methodology.
International migration into a local authority
In Gwynedd, international migration into a local authority rose from 1,301 in Year to mid-2012 to 1,417 in Year to mid-2025, a change of 116 or 8.9% (ONS).
The chart as a table
| Period | International migration into a local authority |
|---|---|
| Year to mid-2012 | 1,301 people |
| Year to mid-2013 | 1,158 people |
| Year to mid-2014 | 1,117 people |
| Year to mid-2015 | 1,309 people |
| Year to mid-2016 | 1,586 people |
| Year to mid-2017 | 1,262 people |
| Year to mid-2018 | 1,053 people |
| Year to mid-2019 | 1,263 people |
| Year to mid-2020 | 1,355 people |
| Year to mid-2021 | 618 people |
| Year to mid-2022 | 1,801 people |
| Year to mid-2023 | 3,006 people |
| Year to mid-2024 | 2,329 people |
| Year to mid-2025 | 1,417 people |
ONS. Earlier years come from International migration in by local authority, 2012 to 2024, joined where the modern series has no figure; overlapping periods are never double-counted. Latest: 1,417 (Year to mid-2025). The national series and its methodology.
International migration out of a local authority
In Gwynedd, international migration out of a local authority rose from 676 in Year to mid-2012 to 1,315 in Year to mid-2025, a change of 639 or 94.5% (ONS).
The chart as a table
| Period | International migration out of a local authority |
|---|---|
| Year to mid-2012 | 676 people |
| Year to mid-2013 | 635 people |
| Year to mid-2014 | 668 people |
| Year to mid-2015 | 550 people |
| Year to mid-2016 | 855 people |
| Year to mid-2017 | 694 people |
| Year to mid-2018 | 937 people |
| Year to mid-2019 | 913 people |
| Year to mid-2020 | 768 people |
| Year to mid-2021 | 427 people |
| Year to mid-2022 | 644 people |
| Year to mid-2023 | 607 people |
| Year to mid-2024 | 1,018 people |
| Year to mid-2025 | 1,315 people |
ONS. Earlier years come from International migration out by local authority, 2012 to 2024, joined where the modern series has no figure; overlapping periods are never double-counted. Latest: 1,315 (Year to mid-2025). The national series and its methodology.
Net international migration by local authority
In Gwynedd, net international migration by local authority fell from 625 in Year to mid-2012 to 102 in Year to mid-2025, a change of 523 or 83.7% (ONS).
The chart as a table
| Period | Net international migration by local authority |
|---|---|
| Year to mid-2012 | 625 people |
| Year to mid-2013 | 523 people |
| Year to mid-2014 | 449 people |
| Year to mid-2015 | 759 people |
| Year to mid-2016 | 731 people |
| Year to mid-2017 | 568 people |
| Year to mid-2018 | 116 people |
| Year to mid-2019 | 350 people |
| Year to mid-2020 | 587 people |
| Year to mid-2021 | 191 people |
| Year to mid-2022 | 1,157 people |
| Year to mid-2023 | 2,399 people |
| Year to mid-2024 | 1,311 people |
| Year to mid-2025 | 102 people |
ONS. Earlier years come from International migration net by local authority, 2012 to 2024, joined where the modern series has no figure; overlapping periods are never double-counted. Latest: 102 (Year to mid-2025). The national series and its methodology.
Births by local authority
In Gwynedd, births by local authority fell from 1,385 in Year to mid-2012 to 963 in Year to mid-2025, a change of 422 or 30.5% (ONS).
The chart as a table
| Period | Births by local authority |
|---|---|
| Year to mid-2012 | 1,385 people |
| Year to mid-2013 | 1,251 people |
| Year to mid-2014 | 1,209 people |
| Year to mid-2015 | 1,128 people |
| Year to mid-2016 | 1,222 people |
| Year to mid-2017 | 1,134 people |
| Year to mid-2018 | 1,131 people |
| Year to mid-2019 | 1,061 people |
| Year to mid-2020 | 1,048 people |
| Year to mid-2021 | 985 people |
| Year to mid-2022 | 1,057 people |
| Year to mid-2023 | 978 people |
| Year to mid-2024 | 979 people |
| Year to mid-2025 | 963 people |
ONS. Earlier years come from Births by local authority, 2012 to 2024, joined where the modern series has no figure; overlapping periods are never double-counted. Latest: 963 (Year to mid-2025). The national series and its methodology.
Deaths by local authority
In Gwynedd, deaths by local authority rose from 1,230 in Year to mid-2012 to 1,464 in Year to mid-2025, a change of 234 or 19.0% (ONS).
The chart as a table
| Period | Deaths by local authority |
|---|---|
| Year to mid-2012 | 1,230 people |
| Year to mid-2013 | 1,360 people |
| Year to mid-2014 | 1,166 people |
| Year to mid-2015 | 1,378 people |
| Year to mid-2016 | 1,369 people |
| Year to mid-2017 | 1,316 people |
| Year to mid-2018 | 1,414 people |
| Year to mid-2019 | 1,422 people |
| Year to mid-2020 | 1,430 people |
| Year to mid-2021 | 1,334 people |
| Year to mid-2022 | 1,418 people |
| Year to mid-2023 | 1,452 people |
| Year to mid-2024 | 1,440 people |
| Year to mid-2025 | 1,464 people |
ONS. Earlier years come from Deaths by local authority, 2012 to 2024, joined where the modern series has no figure; overlapping periods are never double-counted. Latest: 1,464 (Year to mid-2025). The national series and its methodology.
Births minus deaths by local authority
In Gwynedd, births minus deaths by local authority fell from 155 in Year to mid-2012 to -501 in Year to mid-2025, a change of 656 or 423.2% (ONS).
The chart as a table
| Period | Births minus deaths by local authority |
|---|---|
| Year to mid-2012 | 155 people |
| Year to mid-2013 | -109 people |
| Year to mid-2014 | 43 people |
| Year to mid-2015 | -250 people |
| Year to mid-2016 | -147 people |
| Year to mid-2017 | -182 people |
| Year to mid-2018 | -283 people |
| Year to mid-2019 | -361 people |
| Year to mid-2020 | -382 people |
| Year to mid-2021 | -349 people |
| Year to mid-2022 | -361 people |
| Year to mid-2023 | -474 people |
| Year to mid-2024 | -461 people |
| Year to mid-2025 | -501 people |
ONS. Earlier years come from Natural change by local authority, 2012 to 2024, joined where the modern series has no figure; overlapping periods are never double-counted. Latest: -501 (Year to mid-2025). The national series and its methodology.
Other population change by local authority
In Gwynedd, other population change by local authority rose from -587 in Year to mid-2012 to 12 in Year to mid-2025, a change of 599 or 102.0% (ONS).
The chart as a table
| Period | Other population change by local authority |
|---|---|
| Year to mid-2012 | -587 people |
| Year to mid-2013 | -583 people |
| Year to mid-2014 | -585 people |
| Year to mid-2015 | -638 people |
| Year to mid-2016 | -762 people |
| Year to mid-2017 | -666 people |
| Year to mid-2018 | -619 people |
| Year to mid-2019 | -595 people |
| Year to mid-2020 | -593 people |
| Year to mid-2021 | -532 people |
| Year to mid-2022 | -9 people |
| Year to mid-2023 | -5 people |
| Year to mid-2024 | -3 people |
| Year to mid-2025 | 12 people |
ONS. Earlier years come from Other population change by local authority, 2012 to 2024, joined where the modern series has no figure; overlapping periods are never double-counted. Latest: 12 (Year to mid-2025). The national series and its methodology.
Population by local authority
In Gwynedd, population by local authority fell from 121,523 in Mid-2011 to 120,813 in Mid-2024, a change of 710 or 0.6% (ONS).
The chart as a table
| Period | Population by local authority |
|---|---|
| Mid-2011 | 121,523 people |
| Mid-2012 | 121,439 people |
| Mid-2013 | 120,403 people |
| Mid-2014 | 119,796 people |
| Mid-2015 | 119,632 people |
| Mid-2016 | 118,958 people |
| Mid-2017 | 118,881 people |
| Mid-2018 | 118,129 people |
| Mid-2019 | 117,584 people |
| Mid-2020 | 118,180 people |
| Mid-2021 | 117,072 people |
| Mid-2022 | 118,089 people |
| Mid-2023 | 120,064 people |
| Mid-2024 | 120,813 people |
ONS. Latest: 120,813 (Mid-2024). The national series and its methodology.