Local authority · W06000018

Population in Caerphilly

Every population series published for Caerphilly, 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 Caerphilly, net internal migration by local authority rose from -102 in Year to mid-2012 to 427 in Year to mid-2025, a change of 529 or 518.6% (ONS).

Net internal migration by local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour0250500750201520202025Year to mid-2012: -102 people · published 26 September 2025Year to mid-2013: -133 people · published 26 September 2025Year to mid-2014: 281 people · published 26 September 2025Year to mid-2015: 5 people · published 26 September 2025Year to mid-2016: -157 people · published 26 September 2025Year to mid-2017: -23 people · published 26 September 2025Year to mid-2018: 13 people · published 26 September 2025Year to mid-2019: -57 people · published 26 September 2025Year to mid-2020: 771 people · published 26 September 2025Year to mid-2021: 166 people · published 26 September 2025Year to mid-2022: 287 people · published 26 September 2025Year to mid-2023: 800 people · published 26 September 2025Year to mid-2024: 478 people · published 26 September 2025Year to mid-2025: 427 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: 427 (Year to mid-2025). The national series and its methodology.

International migration into a local authority

In Caerphilly, international migration into a local authority rose from 158 in Year to mid-2012 to 564 in Year to mid-2025, a change of 406 or 257.0% (ONS).

International migration into a local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour0200400201520202025Year to mid-2012: 158 people · published 26 September 2025Year to mid-2013: 181 people · published 26 September 2025Year to mid-2014: 205 people · published 26 September 2025Year to mid-2015: 200 people · published 26 September 2025Year to mid-2016: 198 people · published 26 September 2025Year to mid-2017: 175 people · published 26 September 2025Year to mid-2018: 180 people · published 26 September 2025Year to mid-2019: 182 people · published 26 September 2025Year to mid-2020: 163 people · published 26 September 2025Year to mid-2021: 162 people · published 26 September 2025Year to mid-2022: 340 people · published 26 September 2025Year to mid-2023: 441 people · published 26 September 2025Year to mid-2024: 422 people · published 26 September 2025Year to mid-2025: 564 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: 564 (Year to mid-2025). The national series and its methodology.

International migration out of a local authority

In Caerphilly, international migration out of a local authority rose from 156 in Year to mid-2012 to 713 in Year to mid-2025, a change of 557 or 357.1% (ONS).

International migration out of a local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour0200400600201520202025Year to mid-2012: 156 people · published 26 September 2025Year to mid-2013: 136 people · published 26 September 2025Year to mid-2014: 127 people · published 26 September 2025Year to mid-2015: 144 people · published 26 September 2025Year to mid-2016: 152 people · published 26 September 2025Year to mid-2017: 166 people · published 26 September 2025Year to mid-2018: 198 people · published 26 September 2025Year to mid-2019: 184 people · published 26 September 2025Year to mid-2020: 176 people · published 26 September 2025Year to mid-2021: 141 people · published 26 September 2025Year to mid-2022: 143 people · published 26 September 2025Year to mid-2023: 136 people · published 26 September 2025Year to mid-2024: 165 people · published 26 September 2025Year to mid-2025: 713 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: 713 (Year to mid-2025). The national series and its methodology.

Net international migration by local authority

In Caerphilly, net international migration by local authority fell from 2 in Year to mid-2012 to -149 in Year to mid-2025, a change of 151 or 7550.0% (ONS).

Net international migration by local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour0200201520202025Year to mid-2012: 2 people · published 26 September 2025Year to mid-2013: 45 people · published 26 September 2025Year to mid-2014: 78 people · published 26 September 2025Year to mid-2015: 56 people · published 26 September 2025Year to mid-2016: 46 people · published 26 September 2025Year to mid-2017: 9 people · published 26 September 2025Year to mid-2018: -18 people · published 26 September 2025Year to mid-2019: -2 people · published 26 September 2025Year to mid-2020: -13 people · published 26 September 2025Year to mid-2021: 21 people · published 26 September 2025Year to mid-2022: 197 people · published 26 September 2025Year to mid-2023: 305 people · published 26 September 2025Year to mid-2024: 257 people · published 26 September 2025Year to mid-2025: -149 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: -149 (Year to mid-2025). The national series and its methodology.

Births by local authority

In Caerphilly, births by local authority fell from 2,081 in Year to mid-2012 to 1,504 in Year to mid-2025, a change of 577 or 27.7% (ONS).

Births by local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour01k2k201520202025Year to mid-2012: 2,081 people · published 26 September 2025Year to mid-2013: 2,045 people · published 26 September 2025Year to mid-2014: 2,084 people · published 26 September 2025Year to mid-2015: 2,058 people · published 26 September 2025Year to mid-2016: 2,091 people · published 26 September 2025Year to mid-2017: 1,946 people · published 26 September 2025Year to mid-2018: 1,943 people · published 26 September 2025Year to mid-2019: 1,797 people · published 26 September 2025Year to mid-2020: 1,741 people · published 26 September 2025Year to mid-2021: 1,563 people · published 26 September 2025Year to mid-2022: 1,680 people · published 26 September 2025Year to mid-2023: 1,592 people · published 26 September 2025Year to mid-2024: 1,521 people · published 26 September 2025Year to mid-2025: 1,504 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: 1,504 (Year to mid-2025). The national series and its methodology.

Deaths by local authority

In Caerphilly, deaths by local authority rose from 1,670 in Year to mid-2012 to 1,934 in Year to mid-2025, a change of 264 or 15.8% (ONS).

Deaths by local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour01k2k201520202025Year to mid-2012: 1,670 people · published 26 September 2025Year to mid-2013: 1,791 people · published 26 September 2025Year to mid-2014: 1,703 people · published 26 September 2025Year to mid-2015: 1,867 people · published 26 September 2025Year to mid-2016: 1,765 people · published 26 September 2025Year to mid-2017: 1,864 people · published 26 September 2025Year to mid-2018: 1,862 people · published 26 September 2025Year to mid-2019: 1,806 people · published 26 September 2025Year to mid-2020: 2,048 people · published 26 September 2025Year to mid-2021: 2,121 people · published 26 September 2025Year to mid-2022: 1,996 people · published 26 September 2025Year to mid-2023: 2,205 people · published 26 September 2025Year to mid-2024: 2,038 people · published 26 September 2025Year to mid-2025: 1,934 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: 1,934 (Year to mid-2025). The national series and its methodology.

Births minus deaths by local authority

In Caerphilly, births minus deaths by local authority fell from 411 in Year to mid-2012 to -430 in Year to mid-2025, a change of 841 or 204.6% (ONS).

Births minus deaths by local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour-5000201520202025Year to mid-2012: 411 people · published 26 September 2025Year to mid-2013: 254 people · published 26 September 2025Year to mid-2014: 381 people · published 26 September 2025Year to mid-2015: 191 people · published 26 September 2025Year to mid-2016: 326 people · published 26 September 2025Year to mid-2017: 82 people · published 26 September 2025Year to mid-2018: 81 people · published 26 September 2025Year to mid-2019: -9 people · published 26 September 2025Year to mid-2020: -307 people · published 26 September 2025Year to mid-2021: -558 people · published 26 September 2025Year to mid-2022: -316 people · published 26 September 2025Year to mid-2023: -613 people · published 26 September 2025Year to mid-2024: -517 people · published 26 September 2025Year to mid-2025: -430 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: -430 (Year to mid-2025). The national series and its methodology.

Other population change by local authority

In Caerphilly, other population change by local authority rose from -530 in Year to mid-2012 to -2 in Year to mid-2025, a change of 528 or 99.6% (ONS).

Other population change by local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour-400-2000201520202025Year to mid-2012: -530 people · published 26 September 2025Year to mid-2013: -493 people · published 26 September 2025Year to mid-2014: -463 people · published 26 September 2025Year to mid-2015: -496 people · published 26 September 2025Year to mid-2016: -471 people · published 26 September 2025Year to mid-2017: -471 people · published 26 September 2025Year to mid-2018: -409 people · published 26 September 2025Year to mid-2019: -474 people · published 26 September 2025Year to mid-2020: -381 people · published 26 September 2025Year to mid-2021: -435 people · published 26 September 2025Year to mid-2022: -11 people · published 26 September 2025Year to mid-2023: -9 people · published 26 September 2025Year to mid-2024: 8 people · published 26 September 2025Year to mid-2025: -2 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: -2 (Year to mid-2025). The national series and its methodology.

Population by local authority

In Caerphilly, population by local authority fell from 178,782 in Mid-2011 to 176,865 in Mid-2024, a change of 1,917 or 1.1% (ONS).

Population by local authority: Mid-2011 to Mid-2024CoalitionCoalitionConservativeConservativeConservativeConservativeConservative050k100k150k20152020Mid-2011: 178,782 people · published 26 September 2025Mid-2012: 178,563 people · published 26 September 2025Mid-2013: 178,236 people · published 26 September 2025Mid-2014: 178,513 people · published 26 September 2025Mid-2015: 178,269 people · published 26 September 2025Mid-2016: 178,013 people · published 26 September 2025Mid-2017: 177,610 people · published 26 September 2025Mid-2018: 177,277 people · published 26 September 2025Mid-2019: 176,735 people · published 26 September 2025Mid-2020: 176,805 people · published 26 September 2025Mid-2021: 175,999 people · published 26 September 2025Mid-2022: 176,156 people · published 26 September 2025Mid-2023: 176,639 people · published 26 September 2025Mid-2024: 176,865 people · published 26 September 2025

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

ONS. Latest: 176,865 (Mid-2024). The national series and its methodology.

More on Caerphilly

Population in Caerphilly | Civometry