Population projections documentation

The GLA Interim 2021-based population projections (January 2023) comprise both trend-based variant projections and housing-led scenario projections. This dataset contains the detailed methodology documentation for the model and is published alongside the population projections data to assist users in understanding the projections and identifying which set of projections is most appropriate for their needs.

The projections themselves can be downloaded here: Population and Household Projections

Data and Resources

Flexible Area Model Development
The flexible area model will replace the small area model in the production...
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GLA Demographic Projections Models
Model system overview and methodology
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2021-based projections: Model Configuration.pdf
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2020-based projections: Model Configuration
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2020-based projections: Expert Panel Consultation
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Additional Info

Field	Value
Source	https://data.london.gov.uk/dataset/population-projections-documentation-em5mg
Last Updated	February 11, 2026, 13:46 (UTC)
Created	October 22, 2025, 12:07 (UTC)
GUID	em5mg
Language
dcat_issued	2021-09-27T13:53:39.000Z
dcat_modified	2023-01-27T08:43:16.000Z
harvest_object_id	f619b7ba-42b1-48a0-83f4-8054bbb6e686
harvest_source_id	a3e8ccdb-5c53-4b4b-9db7-ae23b3e3e29f
harvest_source_title	london