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The new improved version of our data dictionary interface is now live. Find out more...

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Welcome to the website of the UK census-based Longitudinal Studies

Here you can find out more information about the ONS Longitudinal Study, Northern Ireland Longitudinal Study and Scottish Longitudinal Study and their support units CeLSIUS, NILS-RSUSLS-DSU

User Guides

Before you begin take a look at our User Guides, find out about using the LSs and how to apply to use the data. Read more…

Recent News

Christmas Closure Dates

Wishing you all a happy and peaceful festive break The 3 LS Research Support Units winter closure details are as... Read more...

SLS-DSU & Safe Setting is Open

We are delighted to announce the SLS-DSU and Safe Setting is open. Due to social distancing restrictions we are working... Read more...

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