Local authority · W06000021

Population in Monmouthshire

Every population series published for Monmouthshire, 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 Monmouthshire, net internal migration by local authority rose from 488 in Year to mid-2012 to 693 in Year to mid-2025, a change of 205 or 42.0% (ONS).

Net internal migration by local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour05001k201520202025Year to mid-2012: 488 people · published 26 September 2025Year to mid-2013: 630 people · published 26 September 2025Year to mid-2014: 484 people · published 26 September 2025Year to mid-2015: 453 people · published 26 September 2025Year to mid-2016: 561 people · published 26 September 2025Year to mid-2017: 349 people · published 26 September 2025Year to mid-2018: 629 people · published 26 September 2025Year to mid-2019: 495 people · published 26 September 2025Year to mid-2020: 1,463 people · published 26 September 2025Year to mid-2021: 1,347 people · published 26 September 2025Year to mid-2022: 910 people · published 26 September 2025Year to mid-2023: 827 people · published 26 September 2025Year to mid-2024: 471 people · published 26 September 2025Year to mid-2025: 693 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: 693 (Year to mid-2025). The national series and its methodology.

International migration into a local authority

In Monmouthshire, international migration into a local authority rose from 218 in Year to mid-2012 to 343 in Year to mid-2025, a change of 125 or 57.3% (ONS).

International migration into a local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour0200400201520202025Year to mid-2012: 218 people · published 26 September 2025Year to mid-2013: 201 people · published 26 September 2025Year to mid-2014: 234 people · published 26 September 2025Year to mid-2015: 214 people · published 26 September 2025Year to mid-2016: 261 people · published 26 September 2025Year to mid-2017: 255 people · published 26 September 2025Year to mid-2018: 242 people · published 26 September 2025Year to mid-2019: 248 people · published 26 September 2025Year to mid-2020: 223 people · published 26 September 2025Year to mid-2021: 206 people · published 26 September 2025Year to mid-2022: 535 people · published 26 September 2025Year to mid-2023: 475 people · published 26 September 2025Year to mid-2024: 389 people · published 26 September 2025Year to mid-2025: 343 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: 343 (Year to mid-2025). The national series and its methodology.

International migration out of a local authority

In Monmouthshire, international migration out of a local authority rose from 236 in Year to mid-2012 to 414 in Year to mid-2025, a change of 178 or 75.4% (ONS).

International migration out of a local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour0200400201520202025Year to mid-2012: 236 people · published 26 September 2025Year to mid-2013: 227 people · published 26 September 2025Year to mid-2014: 236 people · published 26 September 2025Year to mid-2015: 247 people · published 26 September 2025Year to mid-2016: 251 people · published 26 September 2025Year to mid-2017: 274 people · published 26 September 2025Year to mid-2018: 285 people · published 26 September 2025Year to mid-2019: 295 people · published 26 September 2025Year to mid-2020: 306 people · published 26 September 2025Year to mid-2021: 242 people · published 26 September 2025Year to mid-2022: 211 people · published 26 September 2025Year to mid-2023: 222 people · published 26 September 2025Year to mid-2024: 211 people · published 26 September 2025Year to mid-2025: 414 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: 414 (Year to mid-2025). The national series and its methodology.

Net international migration by local authority

In Monmouthshire, net international migration by local authority fell from -18 in Year to mid-2012 to -71 in Year to mid-2025, a change of 53 or 294.4% (ONS).

Net international migration by local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour0200201520202025Year to mid-2012: -18 people · published 26 September 2025Year to mid-2013: -26 people · published 26 September 2025Year to mid-2014: -2 people · published 26 September 2025Year to mid-2015: -33 people · published 26 September 2025Year to mid-2016: 10 people · published 26 September 2025Year to mid-2017: -19 people · published 26 September 2025Year to mid-2018: -43 people · published 26 September 2025Year to mid-2019: -47 people · published 26 September 2025Year to mid-2020: -83 people · published 26 September 2025Year to mid-2021: -36 people · published 26 September 2025Year to mid-2022: 324 people · published 26 September 2025Year to mid-2023: 253 people · published 26 September 2025Year to mid-2024: 178 people · published 26 September 2025Year to mid-2025: -71 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: -71 (Year to mid-2025). The national series and its methodology.

Births by local authority

In Monmouthshire, births by local authority fell from 816 in Year to mid-2012 to 688 in Year to mid-2025, a change of 128 or 15.7% (ONS).

Births by local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour0250500750201520202025Year to mid-2012: 816 people · published 26 September 2025Year to mid-2013: 838 people · published 26 September 2025Year to mid-2014: 735 people · published 26 September 2025Year to mid-2015: 780 people · published 26 September 2025Year to mid-2016: 752 people · published 26 September 2025Year to mid-2017: 766 people · published 26 September 2025Year to mid-2018: 712 people · published 26 September 2025Year to mid-2019: 685 people · published 26 September 2025Year to mid-2020: 714 people · published 26 September 2025Year to mid-2021: 698 people · published 26 September 2025Year to mid-2022: 751 people · published 26 September 2025Year to mid-2023: 721 people · published 26 September 2025Year to mid-2024: 698 people · published 26 September 2025Year to mid-2025: 688 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: 688 (Year to mid-2025). The national series and its methodology.

Deaths by local authority

In Monmouthshire, deaths by local authority rose from 918 in Year to mid-2012 to 1,058 in Year to mid-2025, a change of 140 or 15.3% (ONS).

Deaths by local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour05001k201520202025Year to mid-2012: 918 people · published 26 September 2025Year to mid-2013: 988 people · published 26 September 2025Year to mid-2014: 892 people · published 26 September 2025Year to mid-2015: 946 people · published 26 September 2025Year to mid-2016: 950 people · published 26 September 2025Year to mid-2017: 1,055 people · published 26 September 2025Year to mid-2018: 1,024 people · published 26 September 2025Year to mid-2019: 992 people · published 26 September 2025Year to mid-2020: 1,060 people · published 26 September 2025Year to mid-2021: 1,051 people · published 26 September 2025Year to mid-2022: 1,156 people · published 26 September 2025Year to mid-2023: 1,203 people · published 26 September 2025Year to mid-2024: 1,092 people · published 26 September 2025Year to mid-2025: 1,058 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: 1,058 (Year to mid-2025). The national series and its methodology.

Births minus deaths by local authority

In Monmouthshire, births minus deaths by local authority fell from -102 in Year to mid-2012 to -370 in Year to mid-2025, a change of 268 or 262.7% (ONS).

Births minus deaths by local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour-400-2000201520202025Year to mid-2012: -102 people · published 26 September 2025Year to mid-2013: -150 people · published 26 September 2025Year to mid-2014: -157 people · published 26 September 2025Year to mid-2015: -166 people · published 26 September 2025Year to mid-2016: -198 people · published 26 September 2025Year to mid-2017: -289 people · published 26 September 2025Year to mid-2018: -312 people · published 26 September 2025Year to mid-2019: -307 people · published 26 September 2025Year to mid-2020: -346 people · published 26 September 2025Year to mid-2021: -353 people · published 26 September 2025Year to mid-2022: -405 people · published 26 September 2025Year to mid-2023: -482 people · published 26 September 2025Year to mid-2024: -394 people · published 26 September 2025Year to mid-2025: -370 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: -370 (Year to mid-2025). The national series and its methodology.

Other population change by local authority

In Monmouthshire, other population change by local authority rose from -253 in Year to mid-2012 to -21 in Year to mid-2025, a change of 232 or 91.7% (ONS).

Other population change by local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour-300-200-1000201520202025Year to mid-2012: -253 people · published 26 September 2025Year to mid-2013: -255 people · published 26 September 2025Year to mid-2014: -283 people · published 26 September 2025Year to mid-2015: -251 people · published 26 September 2025Year to mid-2016: -216 people · published 26 September 2025Year to mid-2017: -274 people · published 26 September 2025Year to mid-2018: -231 people · published 26 September 2025Year to mid-2019: -245 people · published 26 September 2025Year to mid-2020: -308 people · published 26 September 2025Year to mid-2021: -251 people · published 26 September 2025Year to mid-2022: 57 people · published 26 September 2025Year to mid-2023: 25 people · published 26 September 2025Year to mid-2024: 3 people · published 26 September 2025Year to mid-2025: -21 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: -21 (Year to mid-2025). The national series and its methodology.

Population by local authority

In Monmouthshire, population by local authority rose from 91,508 in Mid-2011 to 94,930 in Mid-2024, a change of 3,422 or 3.7% (ONS).

Population by local authority: Mid-2011 to Mid-2024CoalitionCoalitionConservativeConservativeConservativeConservativeConservative025k50k75k20152020Mid-2011: 91,508 people · published 26 September 2025Mid-2012: 91,623 people · published 26 September 2025Mid-2013: 91,822 people · published 26 September 2025Mid-2014: 91,864 people · published 26 September 2025Mid-2015: 91,867 people · published 26 September 2025Mid-2016: 92,024 people · published 26 September 2025Mid-2017: 91,791 people · published 26 September 2025Mid-2018: 91,834 people · published 26 September 2025Mid-2019: 91,730 people · published 26 September 2025Mid-2020: 92,456 people · published 26 September 2025Mid-2021: 93,163 people · published 26 September 2025Mid-2022: 94,049 people · published 26 September 2025Mid-2023: 94,672 people · published 26 September 2025Mid-2024: 94,930 people · published 26 September 2025

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

ONS. Latest: 94,930 (Mid-2024). The national series and its methodology.

More on Monmouthshire