We are the interdisciplinary partnership of leading social and biomedical longitudinal population studies, the UK Data Service and The British Library.

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16 January 2023
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Health and Employment After Fifty study joins CLOSER Discovery

Researchers can now explore data from the Health and Employment After Fifty (HEAF) study in CLOSER Discovery – the UK’s most detailed research tool for longitudinal population studies. 

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15 December 2022
Balloons of the number 10 surrounded by colourful confetti

From CRF to CLOSER – charting the first 10-years of the home of longitudinal research

In our first ever ‘long-read’, Rob Davies marks our 10-year anniversary with a look back over the past decade and how we’ve evolved from the early days of the Cohort Resources Facility into CLOSER, the home of longitudinal research.

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Monthly spotlight

Getting started on the Learning Hub

Our series of 'Getting started' videos introduce the Learning Hub and showcase how its different modules and case studies can support you in using longitudinal population studies in your own research.

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Harmonised dataset: Socio-economic status measures

Learn more about our dataset containing harmonised variables measuring occupation from four longitudinal population studies

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Learning Hub: Pre-teens alcohol consumption

Explore this research case study looking at research using the Millennium Cohort Study to show how longitudinal population studies can provide insights into factors linked to alcohol consumption during adolescence.

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Upcoming event


Register now: Introducing longitudinal population studies - the Health and Employment After Fifty Study and the Wirral Child Health and Development Study

25 Apr 2023

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Research spotlight

COVID-19 Research Tracker

Explore the longitudinal research published investigating both the immediate and long-term impacts of the COVID-19 pandemic.

Understanding Society's Insights 2023

Understanding Society’s annual Insights report has been published, focusing on three different areas where research can shine a light on government policy.

Physical activity can help mental health in pre-teen years

Research using data from the Avon Longitudinal Study of Parents and Children suggests regular physical activity can improve adolescents’ mental health and help with behavioural difficulties.

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