This page contains results of recent projections produced by the GLA that have been designated as research outputs rather than as a full entry in the GLA's annual series of projections. **Update - 29 May 2026** An updated set of trend-based projection outputs have been added. These include adjustments to the underlying estimates of population and international migration of children to address...

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...

This is a collection of presentations given at the Population Statistics User Group hosted by the GLA City Intelligence and attended by representatives of London local authorities. Additional presentations will be added to this page over time. An archive of presentations delivered at conferences is available here.

This page contains input data sources and output projections for the Sub-regional Pupil Projections. The input data sources provided on this page are the school numbers data from the school census, at school-level, Local Authority level, and Subregion level (ITL Level 2). The births data used for these projections can be found here. The output projections are at Subregion, Region, and England...

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...

The London Workplace Zone Classification (LWZC) uses data from 2011 census and other sources to segment London’s workplace zones into categories based on workers’ and businesses’ characteristics. A total of 92 variables were used to classify the 8,154 workplace zones in London. A list of workplace zones by LWZC Group and Sub group can be found in LWZC Classification.xls and underlying data are in...

In 2018-19 the GLA first undertook a Survey of Londoners. At the time it provided vital evidence on Londoners that had never been collected before in such detail.  In 2021-22, the GLA conducted another Survey of Londoners, following the same methodology as the Survey of Londoners 2018-19, an online and paper self-completion survey of adults aged 16 and over in London. The...

An archive of Briefings and Updates published in 2006 by the GLA's Data Management and Analysis Group. These Briefings cover a range of topics including demography, census analysis, education, and London's labour market. Briefings from other years are available here: DMAG Report Archive – London Datastore

An archive of Briefings and Updates published in 2010 by the GLA's Data Management and Analysis Group, as well as the GLA Intelligence Unit after it was formed that year. These Briefings cover a range of topics including demography, census analysis, education, and London's labour market. Briefings from other years are available here: DMAG Report Archive – London Datastore

*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...