Local authority · W06000015

Population in Cardiff

Every population series published for Cardiff, 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 Cardiff, net internal migration by local authority fell from 327 in Year to mid-2012 to -2,165 in Year to mid-2025, a change of 2,492 or 762.1% (ONS).

Net internal migration by local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour-2k02k201520202025Year to mid-2012: 327 people · published 26 September 2025Year to mid-2013: -725 people · published 26 September 2025Year to mid-2014: -1,638 people · published 26 September 2025Year to mid-2015: -2,131 people · published 26 September 2025Year to mid-2016: -1,603 people · published 26 September 2025Year to mid-2017: -539 people · published 26 September 2025Year to mid-2018: -1,088 people · published 26 September 2025Year to mid-2019: -781 people · published 26 September 2025Year to mid-2020: 2,614 people · published 26 September 2025Year to mid-2021: -2,770 people · published 26 September 2025Year to mid-2022: 803 people · published 26 September 2025Year to mid-2023: -556 people · published 26 September 2025Year to mid-2024: -3,215 people · published 26 September 2025Year to mid-2025: -2,165 people · published 29 July 2026

Published valueProvisional or revisedLatestShaded bands: governments (see labels)Hover or use arrow keys to read a value

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: -2,165 (Year to mid-2025). The national series and its methodology.

International migration into a local authority

In Cardiff, international migration into a local authority rose from 5,877 in Year to mid-2012 to 7,587 in Year to mid-2025, a change of 1,710 or 29.1% (ONS).

International migration into a local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour05k10k201520202025Year to mid-2012: 5,877 people · published 26 September 2025Year to mid-2013: 6,257 people · published 26 September 2025Year to mid-2014: 6,456 people · published 26 September 2025Year to mid-2015: 7,073 people · published 26 September 2025Year to mid-2016: 7,106 people · published 26 September 2025Year to mid-2017: 6,470 people · published 26 September 2025Year to mid-2018: 6,985 people · published 26 September 2025Year to mid-2019: 8,455 people · published 26 September 2025Year to mid-2020: 7,107 people · published 26 September 2025Year to mid-2021: 6,169 people · published 26 September 2025Year to mid-2022: 11,922 people · published 26 September 2025Year to mid-2023: 13,785 people · published 26 September 2025Year to mid-2024: 12,201 people · published 26 September 2025Year to mid-2025: 7,587 people · published 29 July 2026

Published valueProvisional or revisedLatestShaded bands: governments (see labels)Hover or use arrow keys to read a value

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: 7,587 (Year to mid-2025). The national series and its methodology.

International migration out of a local authority

In Cardiff, international migration out of a local authority rose from 4,534 in Year to mid-2012 to 6,587 in Year to mid-2025, a change of 2,053 or 45.3% (ONS).

International migration out of a local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour02k4k6k201520202025Year to mid-2012: 4,534 people · published 26 September 2025Year to mid-2013: 4,186 people · published 26 September 2025Year to mid-2014: 4,467 people · published 26 September 2025Year to mid-2015: 4,338 people · published 26 September 2025Year to mid-2016: 4,242 people · published 26 September 2025Year to mid-2017: 4,360 people · published 26 September 2025Year to mid-2018: 4,419 people · published 26 September 2025Year to mid-2019: 4,716 people · published 26 September 2025Year to mid-2020: 5,053 people · published 26 September 2025Year to mid-2021: 2,599 people · published 26 September 2025Year to mid-2022: 3,590 people · published 26 September 2025Year to mid-2023: 3,901 people · published 26 September 2025Year to mid-2024: 5,356 people · published 26 September 2025Year to mid-2025: 6,587 people · published 29 July 2026

Published valueProvisional or revisedLatestShaded bands: governments (see labels)Hover or use arrow keys to read a value

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: 6,587 (Year to mid-2025). The national series and its methodology.

Net international migration by local authority

In Cardiff, net international migration by local authority fell from 1,343 in Year to mid-2012 to 1,000 in Year to mid-2025, a change of 343 or 25.5% (ONS).

Net international migration by local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour03k5k8k201520202025Year to mid-2012: 1,343 people · published 26 September 2025Year to mid-2013: 2,071 people · published 26 September 2025Year to mid-2014: 1,989 people · published 26 September 2025Year to mid-2015: 2,735 people · published 26 September 2025Year to mid-2016: 2,864 people · published 26 September 2025Year to mid-2017: 2,110 people · published 26 September 2025Year to mid-2018: 2,566 people · published 26 September 2025Year to mid-2019: 3,739 people · published 26 September 2025Year to mid-2020: 2,054 people · published 26 September 2025Year to mid-2021: 3,570 people · published 26 September 2025Year to mid-2022: 8,332 people · published 26 September 2025Year to mid-2023: 9,884 people · published 26 September 2025Year to mid-2024: 6,845 people · published 26 September 2025Year to mid-2025: 1,000 people · published 29 July 2026

Published valueProvisional or revisedLatestShaded bands: governments (see labels)Hover or use arrow keys to read a value

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: 1,000 (Year to mid-2025). The national series and its methodology.

Births by local authority

In Cardiff, births by local authority fell from 4,848 in Year to mid-2012 to 3,682 in Year to mid-2025, a change of 1,166 or 24.1% (ONS).

Births by local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour02k4k201520202025Year to mid-2012: 4,848 people · published 26 September 2025Year to mid-2013: 4,574 people · published 26 September 2025Year to mid-2014: 4,591 people · published 26 September 2025Year to mid-2015: 4,624 people · published 26 September 2025Year to mid-2016: 4,556 people · published 26 September 2025Year to mid-2017: 4,211 people · published 26 September 2025Year to mid-2018: 4,067 people · published 26 September 2025Year to mid-2019: 3,891 people · published 26 September 2025Year to mid-2020: 3,792 people · published 26 September 2025Year to mid-2021: 3,645 people · published 26 September 2025Year to mid-2022: 3,785 people · published 26 September 2025Year to mid-2023: 3,524 people · published 26 September 2025Year to mid-2024: 3,566 people · published 26 September 2025Year to mid-2025: 3,682 people · published 29 July 2026

Published valueProvisional or revisedLatestShaded bands: governments (see labels)Hover or use arrow keys to read a value

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: 3,682 (Year to mid-2025). The national series and its methodology.

Deaths by local authority

In Cardiff, deaths by local authority rose from 2,643 in Year to mid-2012 to 3,075 in Year to mid-2025, a change of 432 or 16.3% (ONS).

Deaths by local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour01k2k3k201520202025Year to mid-2012: 2,643 people · published 26 September 2025Year to mid-2013: 2,814 people · published 26 September 2025Year to mid-2014: 2,628 people · published 26 September 2025Year to mid-2015: 2,920 people · published 26 September 2025Year to mid-2016: 2,769 people · published 26 September 2025Year to mid-2017: 2,804 people · published 26 September 2025Year to mid-2018: 3,021 people · published 26 September 2025Year to mid-2019: 2,777 people · published 26 September 2025Year to mid-2020: 3,133 people · published 26 September 2025Year to mid-2021: 3,009 people · published 26 September 2025Year to mid-2022: 2,882 people · published 26 September 2025Year to mid-2023: 3,058 people · published 26 September 2025Year to mid-2024: 2,974 people · published 26 September 2025Year to mid-2025: 3,075 people · published 29 July 2026

Published valueProvisional or revisedLatestShaded bands: governments (see labels)Hover or use arrow keys to read a value

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: 3,075 (Year to mid-2025). The national series and its methodology.

Births minus deaths by local authority

In Cardiff, births minus deaths by local authority fell from 2,205 in Year to mid-2012 to 607 in Year to mid-2025, a change of 1,598 or 72.5% (ONS).

Births minus deaths by local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour01k2k201520202025Year to mid-2012: 2,205 people · published 26 September 2025Year to mid-2013: 1,760 people · published 26 September 2025Year to mid-2014: 1,963 people · published 26 September 2025Year to mid-2015: 1,704 people · published 26 September 2025Year to mid-2016: 1,787 people · published 26 September 2025Year to mid-2017: 1,407 people · published 26 September 2025Year to mid-2018: 1,046 people · published 26 September 2025Year to mid-2019: 1,114 people · published 26 September 2025Year to mid-2020: 659 people · published 26 September 2025Year to mid-2021: 636 people · published 26 September 2025Year to mid-2022: 903 people · published 26 September 2025Year to mid-2023: 466 people · published 26 September 2025Year to mid-2024: 592 people · published 26 September 2025Year to mid-2025: 607 people · published 29 July 2026

Published valueProvisional or revisedLatestShaded bands: governments (see labels)Hover or use arrow keys to read a value

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: 607 (Year to mid-2025). The national series and its methodology.

Other population change by local authority

In Cardiff, other population change by local authority rose from -1,233 in Year to mid-2012 to 46 in Year to mid-2025, a change of 1,279 or 103.7% (ONS).

Other population change by local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour-2k-1k0201520202025Year to mid-2012: -1,233 people · published 26 September 2025Year to mid-2013: -1,208 people · published 26 September 2025Year to mid-2014: -1,347 people · published 26 September 2025Year to mid-2015: -1,657 people · published 26 September 2025Year to mid-2016: -1,666 people · published 26 September 2025Year to mid-2017: -1,612 people · published 26 September 2025Year to mid-2018: -1,747 people · published 26 September 2025Year to mid-2019: -2,060 people · published 26 September 2025Year to mid-2020: -2,177 people · published 26 September 2025Year to mid-2021: -1,899 people · published 26 September 2025Year to mid-2022: -11 people · published 26 September 2025Year to mid-2023: 94 people · published 26 September 2025Year to mid-2024: -42 people · published 26 September 2025Year to mid-2025: 46 people · published 29 July 2026

Published valueProvisional or revisedLatestShaded bands: governments (see labels)Hover or use arrow keys to read a value

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: 46 (Year to mid-2025). The national series and its methodology.

Population by local authority

In Cardiff, population by local authority rose from 345,442 in Mid-2011 to 383,919 in Mid-2024, a change of 38,477 or 11.1% (ONS).

Population by local authority: Mid-2011 to Mid-2024CoalitionCoalitionConservativeConservativeConservativeConservativeConservative0100k200k300k20152020Mid-2011: 345,442 people · published 26 September 2025Mid-2012: 348,084 people · published 26 September 2025Mid-2013: 349,982 people · published 26 September 2025Mid-2014: 350,949 people · published 26 September 2025Mid-2015: 351,600 people · published 26 September 2025Mid-2016: 352,982 people · published 26 September 2025Mid-2017: 354,348 people · published 26 September 2025Mid-2018: 355,125 people · published 26 September 2025Mid-2019: 357,137 people · published 26 September 2025Mid-2020: 360,287 people · published 26 September 2025Mid-2021: 359,824 people · published 26 September 2025Mid-2022: 369,851 people · published 26 September 2025Mid-2023: 379,739 people · published 26 September 2025Mid-2024: 383,919 people · published 26 September 2025

Published valueProvisional or revisedLatestShaded bands: governments (see labels)Hover or use arrow keys to read a value

ONS. Latest: 383,919 (Mid-2024). The national series and its methodology.

More on Cardiff

Population in Cardiff | Civometry