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

Latest Tweets

Connect with us

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-RSU, SLS-DSU

What data do the LSs hold?
How to apply to use LS data in your research
Using more than one LS dataset for your analysis

Outputs

Read the latest LS outputs:

Research Publications
Plain Language Summaries
Policy Briefings
Impact Case Studies

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…

Upcoming Events

Sorry, there are currently no upcoming Events.

Cookie	Duration	Description
cookielawinfo-checkbox-analytics	11 months	This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Analytics".
cookielawinfo-checkbox-functional	11 months	The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional".
cookielawinfo-checkbox-necessary	11 months	This cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Necessary".
cookielawinfo-checkbox-others	11 months	This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other.
cookielawinfo-checkbox-performance	11 months	This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Performance".
viewed_cookie_policy	11 months	The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. It does not store any personal data.

Cookie	Duration	Description
__utma	2 years	Used to distinguish users and sessions. The cookie is created when the javascript library executes and no existing __utma cookies exists. The cookie is updated every time data is sent to Google Analytics.
__utmb	30 minutes	Used to determine new sessions/visits. The cookie is created when the javascript library executes and no existing __utmb cookies exists. The cookie is updated every time data is sent to Google Analytics.
__utmc		Not used in ga.js. Set for interoperability with urchin.js. Historically, this cookie operated in conjunction with the __utmb cookie to determine whether the user was in a new session/visit.
__utmt	10 minutes	Used to throttle request rate.
__utmz	6 months	Stores the traffic source or campaign that explains how the user reached your site. The cookie is created when the javascript library executes and is updated every time data is sent to Google Analytics.
_ga	2 years	Used to distinguish users.
_gat	1 minute	Used to throttle request rate.
_gid	24 hours	Used to distinguish users.

Latest Tweets

Connect with us

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

Outputs

User Guides

Recent News

SLS Safe Setting Easter Closure

Happy 2025 Newsletter

Upcoming Events