GLA Demography

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...

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...

Templates for the submission of data for use in the GLA School Roll Projection Service Notes on completing the Actual Roll templates: Subscribers should use the templates included on this page to provide roll data for individual schools. This data should be split by national curriculum year and gender. Data for primary and secondary schools should...

The GLA Demography Team offers a bespoke population projection service to London local authorities. Boroughs can request population projections based on their own choice of assumptions about future housing delivery. These assumptions are submitted to the team via a standard template. The resulting projections are referred to as the Borough Preferred Option (or BPO) and are commonly used to help support local...