Constituency data: Population, by age
Find data for UK constituencies on the population broken down by age

This briefing paper has now been superseded by RP14-10, which summarises Census data for all UK constituencies.
Census statistics for constituencies are now provided in RP14-10, Census 2011 Constituency results: United Kingdom.
Find data for UK constituencies on the population broken down by age
This briefing summarises statistics on asylum seekers in the UK and refugees who arrive through resettlement programmes.
This Commons Library briefing paper is a guide to understanding UK migration statistics. It explains the concepts and methods used in measuring migration and sets out a range of data on migration in the UK and in European Union countries.