We enable research using the Office for National Statistics (ONS) Longitudinal Study - the largest nationally representative longitudinal dataset in the UK
Longitudinal studies follow the lives of individuals over a long period of time, showing us how people are affected by changes in society. The ONS Longitudinal Study contains the census data and some life events data of approximately one million sample members, collected over 40 years. This service is free to the user.
Find out more about the study
Find out how to access and use the data
Look up the variables in the study
Information and guidance to help you use the data
Current and past LS projects and the outputs resulting from this research