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In addition to the principal projection, variant projections can be produced based on alternative assumptions of future fertility, mortality and net migration. This release presents data from the 10-year average migration variant, high migration variant and low migration variant.

Cyhoeddiadau

• Variant subnational population projections for England: 2016-based

  2016-based variant subnational population projections, including a variant based on a 10-year trend of migration data and variants with higher and lower levels of net international migration.

Data

• Subnational population projections – internal migration: SNPP Z5

  Population figures over a 25-year period for internal migration, by single year of age and sex for local authorities in England. 2018-based estimates are the latest principal projection.

• Population projections – births by age of mother: SNPP Z3

  Population figures over a 25-year period on births by age of mother for local authorities in England. 2018-based estimates are the latest principal projection.

• 2016-based subnational population projections: differences between the principal projection and variants, mid-2026 and mid-2041

  Differences in population between principal projection and variant projections.

• Subnational population projections – cross-border migration: SNPP Z6

  Population figures over a 25-year period for cross-border migration, by single year of age and sex for local authorities in England. 2018-based estimates are the latest principal projection.

• Population projections for regions: Table 1

  Population figures over a 25-year period, by five-year age groups and sex for regions in England. 2018-based estimates are the latest principal projection.

• Population projections – local authorities: SNPP Z1

  Population figures over a 25-year period, by single year of age and sex for local authorities in England. 2018-based estimates are the latest principal projection.

• Population projections incorporating births, deaths and migration for regions and local authorities: Table 5

  Population figures over a 25-year period, including births, deaths and migration by sex for regions and local authorities in England. 2018-based estimates are the latest principal projection.

• Subnational population projections – international migration: SNPP Z7

  Population figures over a 25-year period for international migration, by single year of age and sex for local authorities in England. 2018-based estimates are the latest principal projection.

• Population projections by single year of age – clinical commissioning groups: SNPP Z2

  Population figures over a 25-year period, by single year of age and sex for clinical commissioning groups in England. 2018-based estimates are the latest principal projection.

• Population projections for local authorities: Table 2

  Population figures over a 25-year period, by five-year age groups and sex for local authorities in England. 2018-based estimates are the latest principal projection.

• Population projections for clinical commissioning groups and NHS regions: Table 3

  Population figures over a 25-year period, by five-year age groups and sex for clinical commissioning groups in England. 2018-based estimates are the latest principal projection.

• Subnational population projections – deaths: SNPP Z4

  Population figures over a 25-year period for deaths by single year of age and sex for local authorities in England. 2018-based estimates are the latest principal projection.

Methodology

• Subnational population projections across the UK: a comparison of data sources and methods

  User guidance, uses, assumptions and methodology for the subnational population projections for each constituent country of the UK.

• Methodology used to produce the 2016-based subnational population projections for England

• 2016-based subnational population projections: frequently asked questions

  An article providing answers to questions on the 2016-based subnational population projections.

• Subnational population projections QMI

  Quality and Methodology Information (QMI) report for subnational population projections, detailing the strengths and limitations of the data, methods used, and data uses and users.

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