UCL Centre for Longitudinal Studies

Copy reads: Workshop, Identifying AI training needs for population research, 9 December 2025, 2:00 – 3:00 pm. Left side: black text on white background. Right side: AI image. Population Research UK logo at the top left.

📢Are you a researcher who works in longitudinal population studies and wants to help shape an AI training platform? Join us on 9 December for an online workshop where we’ll discuss pain points, learning needs, and the training journey.

Register today: shorturl.at/HblI4

Event listing showing the title British parents’ trajectories of partnership and fertility and midlife mental wellbeing, labelled as a hybrid event on 26 Nov 2025 from 13:00 to 14:00, with a button to book a place above a photo of four people sitting together and smiling while focused on something in front of them.

CPC-CG's @ann-berrington.bsky.social will discuss #partnership & #fertility trajectories, drawing on #BCS70 data, as part of @ucl.ac.uk #Quantitative #SocialScience & @clscohorts.bsky.social seminar series.

Weds 26 Nov
13:00-14:00
Hybrid

Register: www.ucl.ac.uk/ioe/events/2... @bspsuk.bsky.social

A view of a crowd crossing the road taken from above

Last chance to apply! Today (Monday, 17 November) is the deadline to submit expressions of interest for joining our Scientific Advisory Network. Find out more about this exciting UK-wide opportunity and fill in the simple form here: bit.ly/4o4qyiD

Harmonising physical health measures in five national cohort studies In this Centre for Longitudinal Studies webinar, discover new harmonised asthma and diabetes measures in five national cohort studies available to researchers, find out how you could use these to…

🌎 This #WorldDiabetesDay, discover the harmonised data on diabetes from five UK cohort studies. Watch our training webinar to learn how the data can help enhance cross-cohort research about people’s experiences of diabetes across generations and how to use them in your analyses 👇

So lovely to see our mascot on tour! 🐻🦎

Why should you attend our next free training webinar? Getting started: An introduction to four British cohort studies Thursday, 27 November 2025, 12:30-2pm UK time

We are the UCL Centre for Longitudinal Studies (CLS). Our studies follow multiple generations across the whole of their lives. If you are researching the lives of people in the UK, born between 1958 and 2002, then our free-to-access resources may be a good match!

Our 'Getting started' webinar introduces the wide range of data available including: family, education measures, mental health, economic status. Most of our data can be accessed easily from the UK Data Service.

Evidence from our studies has helped influence policy and improve lives. You will regularly see our studies in the media and influential research papers. Whatever your experience level, attend the webinar and start your journey using our longitudinal data. Book now on the CLS website.

It's not long until our showpiece webinar Getting started: An introduction to four British cohort studies on Thursday, 27 November. Let's unpack why you shouldn't miss it!👇
Book now on the CLS website: buff.ly/5lEsBVp

@ioe.bsky.social @ukri.org

Professor Emla Fitzsimons in front of shelves of books

We are delighted to announce that Professor @emlafitzsimons.bsky.social is to be the new director of the Centre for Longitudinal Studies from Monday, 1 December 2025. Prof Fitzsimons has been director of the groundbreaking Millennium Cohort Study since joining CLS in 2014. Read more: bit.ly/3Lvhjtp

Stock image showing a person’s hand filling in a postal ballot / voting form. New data release: Next Steps 2019 Web Survey Centre for Longitudinal Studies

🚨 Are you interested in the aspirations, opinions and voting patterns of millennials? A new and exciting dataset from the Next Steps 2019 web survey is now available to download from the @ukdataservice.bsky.social. Find out more on the CLS website 👉 buff.ly/1m0GPHL

A really exciting opportunity 👇

Graphic with an image of an envelope and a paper plane, and the wording: Subscribe and keep up to date

Out now – the new issue of the CLS Data Update! This newsletter's the one for you if you’re interested in hearing about new cohort study data, training and other free resources to support your research. Follow the link to subscribe and catch up on what you might have missed.
bit.ly/4okpw1X

@alicegoisis.bsky.social

A young boy washing a cup while his mother overlooks. New working paper: Harmonised fertility histories in four British longitudinal cohort studies By Aase Villadsen, Samantha Parsons, Alice Goisis Centre for Longitudinal Studies

Want to learn more about harmonised fertility datasets in four British cohorts?

Read the latest CLS working paper to find out how these data can enhance cross-cohort research on fertility and family life and how they compare with ONS statistics on fertility. Read now 👉 buff.ly/u66v1Nt

A crowd scene

✨ Join us! We're inviting expressions of interest from experts wishing to join our Scientific Advisory Network. This is an exciting opportunity to play a vital role in shaping the scientific direction of our longitudinal cohort studies. Deadline Monday, 17 November. Find out more: bit.ly/4o4qyiD

Three young babies lying on the carpet

What questions should we ask parents of new babies? Generation New Era is the first new UK-wide birth cohort study in 25 years. Our online consultation event (6 Nov) is an opportunity for researchers, policymakers & practitioners to help us with our plans. Please join us for this! bit.ly/3JiDfXQ

Thanks for a really great day!

An image of a senior lady with two adult daughters in front of an apartment building. Getting started: An introduction to four British cohort studies Webinar: Thursday, 27 November 2025 12:30 - 2pm UK time Centre for Longitudinal Studies

📣 Coming soon: this flagship @clscohorts.bsky.social webinar is the best place to get started with using our unique series of UK national cohort studies. Register now 👉 buff.ly/r4ZefJC

🌞Cohort data users may find this of interest 👇

Latest harmonised data on UK smoking rates showcased in new study | CLS New UCL research using harmonised data from four UK cohort studies shows the extent of the decline in cigarette smoking over the past five decades.

New UCL research using harmonised data from four UK cohort studies shows how cigarette smoking has declined over the past five decades.

The researchers undertook the analyses to highlight the research opportunities available using harmonised data.

Read more on the CLS website -
bit.ly/4n6WJfI

Indian family playing cricket in the backyard. Webinar: Introducing polygenic scores in four national cohort studies September 2025

📺 Missed our latest free training webinar? We’ve got you covered.
Visit the CLS training YouTube channel to catch up on the latest recording: find out about the range of freely available polygenic scores in CLS cohorts and explore the unique research opportunities they offer. Watch: buff.ly/XXpmjf9

Teddy bear in front of University of Edinburgh sign

The CLS team (and our mascot!) had an amazing time at our Generation New Era consultation event at @edfuturesinstitute.bsky.social. Come meet us in Cardiff or Belfast for the final two of our in-person events and help shape a new birth cohort study for the UK! bit.ly/4oft9G8

Event announcement with picture of babies

Join us in Cardiff, Tuesday 14 Oct for an open consultation event to help shape the next UK birth cohort study, Generation New Era, which will follow the lives of more than 30,000 babies born in 2026.

What questions do we need to ask when children are 9-11 months and at 3-4 years? bit.ly/47lsSL1

K26 Using R for Longitudinal Data Analysis | UCL Online Store This is an in-person two-day course for quantitative researchers wanting to perform longitudinal data analyses with the programming language R. The course

🔈 Do you want to use programming language R in your longitudinal data analyses? Take part in a two-day in-person, paid short course running on 3–4 November 2025 at UCL’s Bloomsbury Campus. Head to the UCL Online Store to find out more and register 👉

@drlisac.bsky.social @nuffieldfjo.bsky.social @parentinfantfdn.bsky.social

Text saying New data release: Early Life Cohort Feasibility Study, Age 9-10 Months Sweep next to photo of crawling baby

🚨 NEW DATA! Data from the Age 9-10 Months Sweep of the Early Life Cohort Feasibility Study are now available to download from the @ukdataservice.bsky.social. Find out more on the CLS website: buff.ly/PPgvUTq

Teddy bear on a lectern

Teddy bear with some fruit

Our Generation New Era open consultation events have begun! We're pleased to be joined by so many data users and early years experts today in London. Mascot Cohort MemBear has been listening to all the feedback. Next up is our Edinburgh consultation event on Wednesday, 8 October: bit.ly/3WuZXid

Reminder Scientific consultation: joint sweep of NCDS at 68 and BCS70 at 56 Visit the consultation webpage for full details Send your comments on the draft questionnaire by Sunday, 5 October. Centre for Longitudinal Studies

⏰ Reminder: send your comments on the draft questionnaire for the joint sweep of NCDS at age 68 and BCS70 at age 56 by this Sunday 5 October.

Full details on our website buff.ly/1BI6Zu2

Diabetes research enhanced with new harmonised datasets | CLS Harmonised data on diabetes from five UK cohort studies are now available for the scientific community to download from the UK Data Service.

NEW DATA! Harmonised data on diabetes from five British cohorts – born in 1946, 1958, 1970 and 1989-90 and 2000-02 – are now available for the scientific community to download from the @ukdataservice.bsky.social

Find out more on the CLS website –
bit.ly/4nBh4ew

Harmonised datasets on asthma open up new research opportunities | CLS Harmonised data on asthma from five UK cohort studies are now available for the scientific community to download from the UK Data Service.

NEW DATA! Harmonised data on asthma from five British cohorts – born in 1946, 1958, 1970 and 1989-90 and 2000-02 – are now available for the scientific community to download from the @ukdataservice.bsky.social

Find out more on the CLS website –
bit.ly/48DbdQT

Research on fertility and families enhanced with new harmonised cohort data | CLS Harmonised data on the fertility histories of four British cohorts are now available for the scientific community to download from the UK Data Service.

NEW DATA! Harmonised fertility histories of four British cohorts – born in 1946, 1958, 1970 and 1989-90 – are now available for the scientific community to download from the @ukdataservice.bsky.social

Find out more on the CLS website – bit.ly/42CN0qr