Local authority · E08000014

Population in Sefton

Every population series published for Sefton, 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 Sefton, net internal migration by local authority rose from -89 in Year to mid-2012 to 3,077 in Year to mid-2025, a change of 3,166 or 3557.3% (ONS).

Net internal migration by local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour01k2k3k201520202025Year to mid-2012: -89 people · published 26 September 2025Year to mid-2013: -260 people · published 26 September 2025Year to mid-2014: 928 people · published 26 September 2025Year to mid-2015: 538 people · published 26 September 2025Year to mid-2016: 681 people · published 26 September 2025Year to mid-2017: 372 people · published 26 September 2025Year to mid-2018: 925 people · published 26 September 2025Year to mid-2019: 981 people · published 26 September 2025Year to mid-2020: 706 people · published 26 September 2025Year to mid-2021: 1,622 people · published 26 September 2025Year to mid-2022: 1,527 people · published 26 September 2025Year to mid-2023: 2,464 people · published 26 September 2025Year to mid-2024: 2,370 people · published 26 September 2025Year to mid-2025: 3,077 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: 3,077 (Year to mid-2025). The national series and its methodology.

International migration into a local authority

In Sefton, international migration into a local authority rose from 841 in Year to mid-2012 to 1,852 in Year to mid-2025, a change of 1,011 or 120.2% (ONS).

International migration into a local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour01k2k201520202025Year to mid-2012: 841 people · published 26 September 2025Year to mid-2013: 911 people · published 26 September 2025Year to mid-2014: 935 people · published 26 September 2025Year to mid-2015: 926 people · published 26 September 2025Year to mid-2016: 1,224 people · published 26 September 2025Year to mid-2017: 1,106 people · published 26 September 2025Year to mid-2018: 1,182 people · published 26 September 2025Year to mid-2019: 1,079 people · published 26 September 2025Year to mid-2020: 1,037 people · published 26 September 2025Year to mid-2021: 988 people · published 26 September 2025Year to mid-2022: 1,944 people · published 26 September 2025Year to mid-2023: 2,134 people · published 26 September 2025Year to mid-2024: 2,116 people · published 26 September 2025Year to mid-2025: 1,852 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: 1,852 (Year to mid-2025). The national series and its methodology.

International migration out of a local authority

In Sefton, international migration out of a local authority rose from 783 in Year to mid-2012 to 1,583 in Year to mid-2025, a change of 800 or 102.2% (ONS).

International migration out of a local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour05001k2k201520202025Year to mid-2012: 783 people · published 26 September 2025Year to mid-2013: 736 people · published 26 September 2025Year to mid-2014: 822 people · published 26 September 2025Year to mid-2015: 850 people · published 26 September 2025Year to mid-2016: 845 people · published 26 September 2025Year to mid-2017: 947 people · published 26 September 2025Year to mid-2018: 1,067 people · published 26 September 2025Year to mid-2019: 1,085 people · published 26 September 2025Year to mid-2020: 1,218 people · published 26 September 2025Year to mid-2021: 972 people · published 26 September 2025Year to mid-2022: 836 people · published 26 September 2025Year to mid-2023: 798 people · published 26 September 2025Year to mid-2024: 880 people · published 26 September 2025Year to mid-2025: 1,583 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: 1,583 (Year to mid-2025). The national series and its methodology.

Net international migration by local authority

In Sefton, net international migration by local authority rose from 58 in Year to mid-2012 to 269 in Year to mid-2025, a change of 211 or 363.8% (ONS).

Net international migration by local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour05001k201520202025Year to mid-2012: 58 people · published 26 September 2025Year to mid-2013: 175 people · published 26 September 2025Year to mid-2014: 113 people · published 26 September 2025Year to mid-2015: 76 people · published 26 September 2025Year to mid-2016: 379 people · published 26 September 2025Year to mid-2017: 159 people · published 26 September 2025Year to mid-2018: 115 people · published 26 September 2025Year to mid-2019: -6 people · published 26 September 2025Year to mid-2020: -181 people · published 26 September 2025Year to mid-2021: 16 people · published 26 September 2025Year to mid-2022: 1,108 people · published 26 September 2025Year to mid-2023: 1,336 people · published 26 September 2025Year to mid-2024: 1,236 people · published 26 September 2025Year to mid-2025: 269 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: 269 (Year to mid-2025). The national series and its methodology.

Births by local authority

In Sefton, births by local authority fell from 2,738 in Year to mid-2012 to 2,378 in Year to mid-2025, a change of 360 or 13.1% (ONS).

Births by local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour01k2k201520202025Year to mid-2012: 2,738 people · published 26 September 2025Year to mid-2013: 2,840 people · published 26 September 2025Year to mid-2014: 2,868 people · published 26 September 2025Year to mid-2015: 2,748 people · published 26 September 2025Year to mid-2016: 2,818 people · published 26 September 2025Year to mid-2017: 2,703 people · published 26 September 2025Year to mid-2018: 2,675 people · published 26 September 2025Year to mid-2019: 2,638 people · published 26 September 2025Year to mid-2020: 2,480 people · published 26 September 2025Year to mid-2021: 2,420 people · published 26 September 2025Year to mid-2022: 2,546 people · published 26 September 2025Year to mid-2023: 2,348 people · published 26 September 2025Year to mid-2024: 2,398 people · published 26 September 2025Year to mid-2025: 2,378 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: 2,378 (Year to mid-2025). The national series and its methodology.

Deaths by local authority

In Sefton, deaths by local authority rose from 3,114 in Year to mid-2012 to 3,465 in Year to mid-2025, a change of 351 or 11.3% (ONS).

Deaths by local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour01k2k3k201520202025Year to mid-2012: 3,114 people · published 26 September 2025Year to mid-2013: 3,320 people · published 26 September 2025Year to mid-2014: 3,072 people · published 26 September 2025Year to mid-2015: 3,379 people · published 26 September 2025Year to mid-2016: 3,195 people · published 26 September 2025Year to mid-2017: 3,211 people · published 26 September 2025Year to mid-2018: 3,376 people · published 26 September 2025Year to mid-2019: 3,178 people · published 26 September 2025Year to mid-2020: 3,863 people · published 26 September 2025Year to mid-2021: 3,674 people · published 26 September 2025Year to mid-2022: 3,655 people · published 26 September 2025Year to mid-2023: 3,695 people · published 26 September 2025Year to mid-2024: 3,482 people · published 26 September 2025Year to mid-2025: 3,465 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: 3,465 (Year to mid-2025). The national series and its methodology.

Births minus deaths by local authority

In Sefton, births minus deaths by local authority fell from -376 in Year to mid-2012 to -1,087 in Year to mid-2025, a change of 711 or 189.1% (ONS).

Births minus deaths by local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour-1k-5000201520202025Year to mid-2012: -376 people · published 26 September 2025Year to mid-2013: -480 people · published 26 September 2025Year to mid-2014: -204 people · published 26 September 2025Year to mid-2015: -631 people · published 26 September 2025Year to mid-2016: -377 people · published 26 September 2025Year to mid-2017: -508 people · published 26 September 2025Year to mid-2018: -701 people · published 26 September 2025Year to mid-2019: -540 people · published 26 September 2025Year to mid-2020: -1,383 people · published 26 September 2025Year to mid-2021: -1,254 people · published 26 September 2025Year to mid-2022: -1,109 people · published 26 September 2025Year to mid-2023: -1,347 people · published 26 September 2025Year to mid-2024: -1,084 people · published 26 September 2025Year to mid-2025: -1,087 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: -1,087 (Year to mid-2025). The national series and its methodology.

Other population change by local authority

In Sefton, other population change by local authority fell from 417 in Year to mid-2012 to 26 in Year to mid-2025, a change of 391 or 93.8% (ONS).

Other population change by local authority: Year to mid-2012 to Year to mid-2025CoalitionCoalitionConservativeConservativeConservativeConservativeConservativeLabour0200400600201520202025Year to mid-2012: 417 people · published 26 September 2025Year to mid-2013: 400 people · published 26 September 2025Year to mid-2014: 492 people · published 26 September 2025Year to mid-2015: 420 people · published 26 September 2025Year to mid-2016: 478 people · published 26 September 2025Year to mid-2017: 232 people · published 26 September 2025Year to mid-2018: 589 people · published 26 September 2025Year to mid-2019: 583 people · published 26 September 2025Year to mid-2020: 571 people · published 26 September 2025Year to mid-2021: 688 people · published 26 September 2025Year to mid-2022: 28 people · published 26 September 2025Year to mid-2023: 20 people · published 26 September 2025Year to mid-2024: 39 people · published 26 September 2025Year to mid-2025: 26 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: 26 (Year to mid-2025). The national series and its methodology.

Population by local authority

In Sefton, population by local authority rose from 273,969 in Mid-2011 to 286,281 in Mid-2024, a change of 12,312 or 4.5% (ONS).

Population by local authority: Mid-2011 to Mid-2024CoalitionCoalitionConservativeConservativeConservativeConservativeConservative0100k200k20152020Mid-2011: 273,969 people · published 26 September 2025Mid-2012: 273,979 people · published 26 September 2025Mid-2013: 273,814 people · published 26 September 2025Mid-2014: 275,143 people · published 26 September 2025Mid-2015: 275,546 people · published 26 September 2025Mid-2016: 276,707 people · published 26 September 2025Mid-2017: 276,962 people · published 26 September 2025Mid-2018: 277,890 people · published 26 September 2025Mid-2019: 278,908 people · published 26 September 2025Mid-2020: 278,621 people · published 26 September 2025Mid-2021: 279,693 people · published 26 September 2025Mid-2022: 281,247 people · published 26 September 2025Mid-2023: 283,720 people · published 26 September 2025Mid-2024: 286,281 people · published 26 September 2025

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

ONS. Latest: 286,281 (Mid-2024). The national series and its methodology.

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