UCL Centre for Longitudinal Studies

@clscohorts

CLS is home to a unique series of UK national cohort studies. We conduct research and produce policy evidence to improve lives. We are based at UCL Institute of Education. We are funded by the ESRC.

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UCL Centre for Longitudinal Studies@clscohorts· 22d

📣 New webinar: Physical health in four British cohort studies Join this @clscohorts.bsky.social training webinar to discover how longitudinal data can support research on physical health across the lifecourse. 📅 Tuesday, 3 November 2026 🕟️ 12-1pm UK time Book now 👉️ buff.ly/lLT2U8e

Two women in their workout gear walking down the stairs,
Physical health in four British cohort studies
Tuesday, 3 November 2026
12-1pm UK time

UCL Centre for Longitudinal Studies@clscohorts· 27d

🎉 Booking is now open for the CLS conference 2026 this September! The programme is packed with presentations that showcase outstanding life course research using CLS data. Find out more and join us in London, 22 and 23 September: bit.ly/4aUUyJ7

A banner advert for CLS Conference 2026 showing a mother and daughter in a park. Registration is now open 22-23 Sept 2026. London.

UCL Centre for Longitudinal Studies@clscohorts· Jul 10

New Millennium Cohort Study data release! The MCS core dataset consolidates a wide range of core variables from all 8 sweeps of data collection into one ready-to-use research resource. Follow the link for the user guide, data access info & supporting code: bit.ly/4gs8EoZ @ukdataservice.bsky.social

Image 1 of 4. Text reads: Introducing the MCS core dataset. A new ready-to-use research resource, consolidating data from different sweeps.

Image 2 of 4. Text reads: Key features of the core dataset. Around 170 variables from eight sweeps of data collection across 23 years. Variables that have been measured repeatedly. Data relevant to many different types of research project.

Slide 3 of 4. Text reads: Reasons to use the core dataset. Reduce the time spent preparing data from different sweeps. Tailor the dataset and add in other variables, using code provided.

Slide 4 of 4. Text reads: For the user guide, data access info, and links to supporting code, visit the CLS website – cls.ucl.ac.uk.

UCL Centre for Longitudinal Studies@clscohorts· Jul 8

📢 Join our experts for an overview of the challenges – and opportunities – involved in making causal inferences using @clscohorts.bsky.social cohort data. Book now ➡️ buff.ly/gbWzhwh

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Causal inference in four British cohort studies
Wednesday, 7 October 2026
12-2pm UK time
UCL Centre for Longitudinal Studies

UCL Centre for Longitudinal Studies@clscohorts· Jul 1

🌞 Final day at @sllshome.bsky.social Conference 2026! CLS colleagues @alyceraybould.bsky.social, @dominicpkelly.bsky.social, @drlisac.bsky.social and Larissa Pople among those taking part #SLLS2026

Two men and one woman stand outside a university building at SLLS Conference

UCL Centre for Longitudinal Studies@clscohorts· Jun 30

Day two of #SLLS2026 - CLS presenters today include @gergobaranyi.bsky.social, David Bann and Liam Wright. Our stand is opposite the reception desk, building J, @ulbruxelles.bsky.social. Hope to see you there! @sllshome.bsky.social

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UCL Centre for Longitudinal Studies@clscohorts· Jun 29

It’s day one of @sllshome.bsky.social Conference 2026 – we're excited to be back as a sponsor! If you're attending, come say hello to our friendly team. Our stall is in Building J - opposite the registration desk. We’ll be here for the next three days. Let's go! #SLLS2026

A woman holds a mascot teddy bear at a desk covered in documents in front of a glass window

UCL Centre for Longitudinal Studies@clscohorts· Jun 19

New derived variables from Next Steps, the only England-wide cohort study of millennials, are now available from @ukdataservice.bsky.social. Highlights include: information about children, partners, wellbeing and finances. Explore all the Age 32 data in our updated user guide: bit.ly/4em2up2

UCL Centre for Longitudinal Studies@clscohorts· Jun 9

Additional data from the Millennium Cohort Study Age 23 Sweep are now available from @ukdataservice.bsky.social. Highlights: information about pregnancies & children, information from cohabiting partners, & geo data enabling external data linkage. See our updated user guide: bit.ly/4fzVy8B

UCL Centre for Longitudinal Studies@clscohorts· May 28

🚨 The latest CLS working paper links the newly created harmonised fertility histories dataset to data from two British cohorts. The researchers examine how early-life factors influenced those who have not had children at age 50. Read the full paper 👉 buff.ly/Km0k7he

New working paper
'Descriptive findings: Socio-demographic and health correlates of childlessness at age 50 among men and women in two British cohort studies'
By Sam Parsons, Aase Villadsen, Alice Goisis
UCL Centre for Longitudinal Studies
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UCL Centre for Longitudinal Studies@clscohorts· May 27

New research, drawing on data from the 1970 British Cohort Study, finds people who reported long-term physical and mental health difficulties at age 42 were less likely to be employed at age 51. Read more on the CLS website: bit.ly/3Ruk2WY @georgeploubidis.bsky.social

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UCL Centre for Longitudinal Studies@clscohorts· May 15

Our mascot Cohort MemBear was delighted to make a trip to the beautiful city of Belfast for our latest consultation on the Age 27 Sweep of the Millennium Cohort Study. Join us (and MemBear) for our final consultation event or submit your ideas online: bit.ly/4nxJre7

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UCL Centre for Longitudinal Studies@clscohorts· Apr 30

Two weeks to go: @georgeploubidis.bsky.social is delivering the keynote at @ucl.ac.uk's Past, Present and Future symposium on Thursday, 14 May. Living Longer but Not Healthier: The Generational Health Drift uses data from CLS’ cohorts. Register: bit.ly/42wK4ef

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UCL Centre for Longitudinal Studies@clscohorts· Apr 24

⭐️ Happening next week There is still time to register for our upcoming webinar, that will be useful for users or managers of mixed-mode survey data. Book now 👉 buff.ly/TS14EKI

Handling bias in analysis of mixed-mode survey data
CLS and Survey Futures webinar
Thursday, 30 April 2026
12-2pm UK time
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UCL Centre for Longitudinal Studies@clscohorts· Apr 14

⏰️ Final call for submissions A reminder that the CLS Conference 2026 call for papers will close today, 14 April 2026 at 23.59. Submit a paper, poster or symposium using our cohort data on the CLS website 👉 buff.ly/DbfmyKe

UCL Centre for Longitudinal Studies@clscohorts· Apr 9

🚨 Less than a week left before the CLS Conference 2026 call for papers closes. If your research uses data from at least one CLS cohort, then submit a paper, poster, or symposium on the CLS website 👉 buff.ly/DbfmyKe 📆 Deadline for submissions is Tuesday, 14 April 2026 at 23:59.

CLS Conference 2025: Last chance to submit
Don't miss this opportunity and submit before the deadline: Tuesday, 14 April 2026.
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UCL Centre for Longitudinal Studies@clscohorts· Apr 1

🌸 Spring is here and our mascot Cohort MemBear is ready to spend some time in the sunshine. He will be away from his desk and taking a break along with the rest of the CLS team from 5.30pm this evening. We will be back in action from Wednesday, 8 April. Wishing you a happy Easter!

A teddy bear sitting in some spring flowers with the message Happy Easter!

UCL Centre for Longitudinal Studies@clscohorts· Mar 31

📢 Call for papers for the CLS conference 2026 will now close on Tuesday, 14 April 2026, extended from 8 April. ⏰ If you use CLS cohort data, there's still time to submit a paper! Find out more: buff.ly/oO1rZkw CLS researcher Aase Villadsen provides an update 👇

UCL Centre for Longitudinal Studies@clscohorts· Mar 30

💥 Millennium Cohort Study (MCS) Age 27 sweep open consultation. 👉 Attend a consultation event in London, Edinburgh, Cardiff or Belfast or join us online. What questions should we ask and what measures should we use? Your input is needed! Find out more: buff.ly/yMGpXuM

UCL Centre for Longitudinal Studies@clscohorts· Mar 26

🚨 Call for papers deadline extended The submission window for CLS Conference 2026 will now close Tuesday, 14 April 2026. Researchers from across disciplines, sectors and career stages are invited to share their research using data from at least one CLS cohort. Find out more: buff.ly/oO1rZkw

CLS Conference 2026: deadline extended
New submission deadline for the call for papers: Tuesday, 14 April 2026.
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UCL Centre for Longitudinal Studies@clscohorts· Mar 19

Graphic promoting MCS Age 27 Sweep Open consultation showing two women in their twenties.

UCL Centre for Longitudinal Studies@clscohorts· Mar 3

🎉 We are pleased to announce that Professor Morag Henderson has been appointed Director of the Millennium Cohort Study. Morag succeeds Professor emlafitzsimons.bsky.social, who recently took up the role of CLS Director. @ioe.bsky.social

UCL Centre for Longitudinal Studies@clscohorts· Feb 20

🔔 ICYMI: Data from the Millennium Cohort Study Age 23 Sweep are now available to download from the @ukdataservice.bsky.social. Visit our website for details and documentation 👉 buff.ly/IYBbC14.

New data release
Millennium Cohort Study Age 23 Sweep
Now available from the UK Data Service
Image of happy adults.

UCL Centre for Longitudinal Studies@clscohorts· Feb 19

📢 The CLS conference 2026, 22 – 23 September, London, call for papers runs until Wednesday 8 April. ⏰ Submissions must use data from at least one CLS cohort study, such as the Millennium Cohort Study (MCS), which has just had a new age 23 data deposit. Submit your paper: bit.ly/45SP3rO

Call for papers details and illustration of mother and daughter in the park

UCL Centre for Longitudinal Studies@clscohorts· Feb 11

📣 Data from the Millennium Cohort Study Age 23 Sweep are now available to download from the @ukdataservice.bsky.social. Find out more and register for TOMORROW’s webinar introducing the data here👉 buff.ly/IYBbC14.

Group of multiracial people hugging and smiling outdoors.
New data release Millennium Cohort Study Age 23 Sweep.

UCL Centre for Longitudinal Studies@clscohorts· Feb 4

📢 The CLS conference 2026, 22 – 23 September, London, will bring together researchers from across disciplines, institutions, sectors and career stages to showcase outstanding research using CLS cohort data. Deadline for submissions: Wednesday, 8 April. Further information: bit.ly/45SP3rO

Graphic showing conference info and a photo of a mother and son

UCL Centre for Longitudinal Studies@clscohorts· Feb 3

📣 There is still time to register for our upcoming webinar ‘Millennium Cohort Study at age 23: explore the new data.' Join us to get a first look at the data, soon to be released from @ukdataservice.bsky.social. 📆 Date: Thursday, 12 February 2026 🕑 Time: 1–2pm UK time 🔗 Book now: buff.ly/ywj1SMA

Want to find out how Gen Z navigate their lives in their early 20s? Join our next training webinar on Thursday, 12 February 2026
1-2pm UK time.
Centre for Longitudinal Studies
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UCL Centre for Longitudinal Studies@clscohorts· Jan 29

🚨New data release: BCS70 Activity Histories Looking at employment histories of the 1970 cohort, this dataset is available to access via @ukdataservice.bsky.social [SN 6943]. The latest edition includes data on work and non-work activities from the Age 51 Sweep. Read the user guide 👉 buff.ly/aGg0OxR

UCL Centre for Longitudinal Studies@clscohorts· Jan 26

📣 Announcing the CLS Conference 2026, celebrating 80 years of the UK’s cohort studies. Our call for papers is now open. All researchers using CLS cohort data are invited to submit and join us this September in London. Deadline for submissions: Wednesday, 8 April. More details: bit.ly/45SP3rO

CLS conference 2026 announcement with image of grandpa and primary age grandson.

UCL Centre for Longitudinal Studies@clscohorts· Jan 23

🚨BCS70 Partnership Histories latest edition out now! Access the free dataset via @ukdataservice.bsky.social [SN 6941] and unlock new opportunities of research into relationship histories of the 1970 cohort. The latest edition includes data from the Age 51 Sweep. Read the user guide👉 buff.ly/E8gkjob