Key data

Browse our most popular datasets, by data type.

 

UK surveys
Cross-national surveys
Longitudinal studies

Longitudinal studies involve repeated observations of the same subjects, allowing researchers to analyse change at the individual level.

The UK is home to several key longitudinal studies, including major panel and internationally-renowned cohort studies.

 

  • 1970 British Cohort Study

    The 1970 British Cohort Study (BCS70) follows the lives of more than 17,000 people born in England, Scotland and Wales in a single week of 1970. Over the course of cohort members' lives, the BCS70 has has broadened from a strictly medical focus at birth to collect  information on health, physical, educational and social development, and economic circumstances among other factors.

  • British Household Panel Survey

    The British Household Panel Survey (BHPS) was carried out by the Institute for Social and Economic Research (ISER) from 1991-2009 (Waves 1-18). From Wave 19, the BHPS became part of a new longitudinal study called Understanding Society.

  • English Longitudinal Study of Ageing

    The English Longitudinal Study of Ageing (ELSA) study is a longitudinal survey of ageing and quality of life among older people. It explores the dynamic relationships between health and functioning, social networks and participation, and economic position as people plan for, move into and progress beyond retirement.

  • Growing Up in Scotland

    The Growing Up in Scotland (GUS) study, is a longitudinal social survey which follows the lives of groups of Scotland's children from infancy through to their teens, and aims to provide important new information on young children and their families in Scotland.

  • Longitudinal Study of Young People in England

    The Longitudinal Study of Young People in England (LSYPE), also known as Next Steps, is a major panel study of young people. The study began in 2004, when its sample of young people were aged between 13 and 14.

  • Millennium Cohort Study

    The Millennium Cohort Study (MCS), which began in 2000, is conducted by the Centre for Longitudinal Studies (CLS). It aims to chart the conditions of social, economic and health advantages and disadvantages facing children born at the start of the 21st century.

  • National Child Development Study

    The National Child Development Study (NCDS) is a continuing longitudinal study that seeks to follow the lives of all those living in Great Britain who were born in one particular week in 1958. Conducted by the Centre for Longitudinal Studies (CLS), the aim of the study is to improve understanding of the factors affecting human development over the whole lifespan.

  • Understanding Society

    The Understanding Society study, or the United Kingdom Household Longitudinal Study (UKHLS), which began in 2009, is a multi-topic household survey. The study is a successor to the British Household Panel Survey (BHPS). 

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