Every population series published for Hertsmere, 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.
In Hertsmere, net internal migration by local authority rose from 142 in Year to mid-2012 to 203 in Year to mid-2025, a change of 61 or 43.0% (ONS).
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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: 203 (Year to mid-2025). The national series and its methodology.
In Hertsmere, international migration into a local authority rose from 827 in Year to mid-2012 to 929 in Year to mid-2025, a change of 102 or 12.3% (ONS).
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: 929 (Year to mid-2025). The national series and its methodology.
In Hertsmere, international migration out of a local authority rose from 621 in Year to mid-2012 to 978 in Year to mid-2025, a change of 357 or 57.5% (ONS).
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: 978 (Year to mid-2025). The national series and its methodology.
In Hertsmere, net international migration by local authority fell from 206 in Year to mid-2012 to -49 in Year to mid-2025, a change of 255 or 123.8% (ONS).
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: -49 (Year to mid-2025). The national series and its methodology.
In Hertsmere, births by local authority fell from 1,340 in Year to mid-2012 to 1,001 in Year to mid-2025, a change of 339 or 25.3% (ONS).
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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: 1,001 (Year to mid-2025). The national series and its methodology.
In Hertsmere, deaths by local authority rose from 898 in Year to mid-2012 to 913 in Year to mid-2025, a change of 15 or 1.7% (ONS).
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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: 913 (Year to mid-2025). The national series and its methodology.
In Hertsmere, births minus deaths by local authority fell from 442 in Year to mid-2012 to 88 in Year to mid-2025, a change of 354 or 80.1% (ONS).
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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: 88 (Year to mid-2025). The national series and its methodology.
In Hertsmere, other population change by local authority fell from 220 in Year to mid-2012 to 7 in Year to mid-2025, a change of 213 or 96.8% (ONS).
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: 7 (Year to mid-2025). The national series and its methodology.