Smallest Geography
Local Authority
Masthead
Greater London Authority (GLA)
Topic
Demographics
Modelled estimates of recent births
Greater London Authority (GLA)
Updated 24 days ago
Modelled estimates of annual live births by year ending date.Official birth estimates from ONS are considered very accurate, but the lag between the end of the period covered and the publication of estimates is typically 9-12 months. To gain a more timely indication of birth trends, the GLA Demography team produces modelled estimates of annual births based on counts of...
Patients registered at a GP practice
Greater London Authority (GLA)
Updated 24 days ago
Modelled counts of patients registered at a GP practice by single year of age (0-95+), sex, and local authority of residence. These modelled data contain information from NHS Digital, licenced under the current version of the Open Government Licence: Counts of patients by practice attended x sex x LSOA of residence - currently published quarterly Counts of patients by practice...
Modelled population backseries
Greater London Authority (GLA)
Updated 26 days ago
These modelled annual population estimates were created for use the GLA's population projections.They are intended to provide a consistent series of annual population and components of change between census years with all change accounted for by the standard components of change (births, deaths, and migration).The official mid-year population estimates published by ONS are available here.The original detailed internal migration data...
Household projection data for modelling
Greater London Authority (GLA)
Updated 10 months ago
The GLA is currently developing updated household projection models for use in its 2024-based projections.**Update 08-08-2025** Household projections incorporating the GLA's draft 2024-based population projections have been added to the page.**Update 27-06-2025** A technical note providing an overiew of the work to date and draft results has been added to the page. The draft projections and model inputs discussed in...
Trend-based population projections
Greater London Authority (GLA)
Updated almost 2 years ago
*Update 29 May - an updated version of the draft 2024-based projections are now available. These include adjustments to the underlying estimates of population and international migration of children to address recently identified issues with the official series. *Update 6 August - draft 2024-based projections are now available. Final versions of these projections are expected to be published early in...
Annual birth estimates
Greater London Authority (GLA)
Updated about 2 years ago
This dataset has now moved to https://data.london.gov.uk/dataset/birth-estimates
Comparison of available population estimates
Greater London Authority (GLA)
Added about 3 years ago
At the April 2023 meeting of the Population Statistics User Group, the GLA Demography team presented an overview of currently available sources of population estimates for the previous decade, namely: The original ONS mid-year population estimates (including rolled-forward estimates for 2021) Experimental outputs from the ONS's Dynamic Population Model The modelled population backseries produced by the GLA to act as...
Ethnic group population projections
Greater London Authority (GLA)
Updated over 4 years ago
The ethnic group projections are produced for London borough and provide detailed projection by 17 ethnic groups of London’s future population.Two variants are produced: one consistent with the 2016-based central trend projection, and one consistent with the 2016-based housing-led projection.The 2016-based projections remain the most recent set of GLA ethnic group projections.
Social Integration Headline Measures
Greater London Authority (GLA)
Updated about 5 years ago
The Mayor is committed to measuring social integration in London. Providing evidence-based analysis of the state of social integration will allow him to shine a light on the whole city.Accompanying the Social Integration Strategy published in March 2018, the Mayor published a set of measures tracking social integration in London. These measures were selected from existing high-quality datasets, such as...
Employment-led population projections
Greater London Authority (GLA)
Updated over 6 years ago
GLA Demography has published 2016-based employment-led projections for London which provide population projections which are consistent with the employment projection scenarios published by GLA Economics. However, this should be viewed as an experimental output which may not be updated in the future.In addition to the raw data for this set of population projections, we have also produced a methodology document...


















