The ONS Longitudinal Study
The ONS Longitudinal Study (LS) contains linked census and vital event data for 1 per cent of the population of England and Wales. Information from the 1971, 1981, 1991 and 2001 Censuses has been linked across censuses as well as information on events such as births, deaths and cancer registrations.
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Using the ONS Longitudinal Study
About the Longitudinal Study: what it is, what it contains and how to access the information
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Longitudinal study history and processes
Why the Longitudinal Study was set up, how it has evolved, how the sample is drawn, and how the data are linked
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Data quality in the Longitudinal Study
Measures of the completeness of the Longitudinal Study sample over time
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Resources and definitions
Reference section: census forms, LS history, organisation and census quality reports
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Data dictionary
Link to CeLSIUS LS data dictionary website.
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What's new
Recent changes / events relevant to the Longitudinal Study
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Contact us
Address, telephone, fax and email contact details for all general queries about the LS
