Mary Gregory
marygregory.bsky.social
Mary Gregory
@marygregory.bsky.social
Director, Population Statistics, Office for National Statistics. National Numeracy Trustee. All views my own.
We've published our latest update on population and migration statistics, take a look via the link here! 👇https://www.ons.gov.uk/peoplepopulationandcommunity/populationandmigration/populationestimates/articles/quarterlyupdateonpopulationandmigrationstatistics/november2025
Quarterly update on population and migration statistics - Office for National Statistics
Latest article on improvements to how we estimate UK population and migration, providing an update on our progress and plans.
www.ons.gov.uk
November 7, 2025 at 10:48 AM
Today sees the launch of the Office for National Statistics Census 2031 Topic Consultation and Government Statistical Service Ethnicity Harmonisation Consultation. Take a look at the 🧵👇for information on both. Please share with your networks.
October 28, 2025 at 1:01 PM
Today the UK Statistics Authority has recommended Government commissions a census of England and Wales in 2031.

Subject to Government approval, along side growing use of administrative data this will support a system of population & migration statistics which best meets the needs of users.
Recommendation from the UK Statistics Authority on the future of population and migration statistics in England and Wales
Statistics for the Public Good
uksa.statisticsauthority.gov.uk
June 17, 2025 at 9:45 AM
Latest ONS data shows long-term international migration falling by nearly half since a year earlier.

Take a look at my blog to find out more about what’s driving this and our future plans👇
What’s driving the fall in net migration?
Following policy changes, there was a record fall in net migration in 2024. With fewer people arriving on work and study-related visas and emigration returning to pre-pandemic levels, net migration is
blog.ons.gov.uk
May 22, 2025 at 10:42 AM
Take a look at this really important role in the Office for National Statistics, including leading on international migration estimates. Deadline Tuesday 3rd June. Locations Newport, Titchfield (Fareham), Manchester & Darlington.

Please share!

www.civilservicejobs.service.gov.uk/csr/index.cg...
May 15, 2025 at 12:47 PM
Another enjoyable morning at the @ri-science.bsky.social Y5 Maths Masterclass. It’s such a brilliant scheme with impressive participants! It’s been fun doing the @royalstatsoc.bsky.social William Guy Lecture as a workshop, demonstrating the importance of maths and statistics in our everyday lives!
April 26, 2025 at 12:05 PM
Had a really enjoyable morning @ri-science.bsky.social doing an extended workshop version of my @royalstatsoc.bsky.social William Guy Lecture. It’s a great way to finish my activities for #BritishScienceWeek!
March 15, 2025 at 12:47 PM
We’re celebrating the start of British Science Week!

There is brilliant stuff going on at ONS including the partnership with BBC and @microbit.org some amazing ONS STEM Ambassadors, and lots of STEM related apprentices! I cannot do it justice here, so read the blog!
blog.ons.gov.uk/author/mary-...
Mary Gregory | National Statistical
blog.ons.gov.uk
March 7, 2025 at 11:28 AM
This week we published information on methods development for migration, and proposed publication schedule and revisions for population and migration. blog.ons.gov.uk/2025/02/26/w....

If you have any feedback to support our continuous improvement please do get in touch via pop.info@ons.gov.uk!
Working to improve estimates of EU and British international migration
Since accelerating the move from travel survey findings to administrative data gathered by government bodies, the Office for National Statistics (ONS) has been continuously improving the way it estima
blog.ons.gov.uk
February 28, 2025 at 7:40 AM
This is a brilliant initiative and I’ve been so impressed with all the children I’ve spoken to so far! They have had brilliant questions and it’s been a lot of fun. So if you’re thinking about applying just go for it!
Applications are open for our William Guy Lectureships!

The theme is Statistics and AI - its role in daily life, ethical issues, & environmental impact.

If you're a data professional with a passion for inspiring the next generation about stats submit a talk proposal!

rss.org.uk/news-publica...
February 12, 2025 at 6:55 PM
UKSA is recruiting for a chair for the National Statistician’s advisory panel on migration statistics. Take a look at the UKSA website for more info! Closing date for applications is 26th February. uksa.statisticsauthority.gov.uk/news/vacancy...
Vacancy: Advisory Panel on Migration Statistics Chair
The closing date for applications is 26th February 2024 at 23:55pm About the Advisory Panel on Migration Statistics Understanding International migration is fundamental to our understanding of the UK ...
uksa.statisticsauthority.gov.uk
January 31, 2025 at 4:50 PM
We’ve just published our latest quarterly update so you can see more about our plans for population and migration statistics outputs: www.ons.gov.uk/peoplepopula...
Quarterly update on population and migration statistics - Office for National Statistics
Improvements to how we estimate UK population and migration, providing an update on our progress and plans.
www.ons.gov.uk
January 31, 2025 at 10:54 AM
Today the Office for National Statistics published the latest UK population projections. Take a look at this blog to find out more, including information on variant projections and a link to our new interactive tool: blog.ons.gov.uk/2025/01/28/n...
National population projections: past, present and future | National Statistical
blog.ons.gov.uk
January 28, 2025 at 3:10 PM
I really enjoyed my first RSS William Guy Lecture talk for 2025, delivered online this morning!

If you work with primary school age children and are interested in the talk please get in touch!

There is an online version and more information here:
rss.org.uk/policy-campa...
January 8, 2025 at 12:02 PM
Being new to Bluesky I thought I’d end the year with a summary of activity from 2024. Hope you enjoy seeing what we have been up to and I look forward to seeing what 2025 brings! 1/14
December 30, 2024 at 12:39 PM
Hello! 👋 Great to see you here! I’ll be mostly talking about data and statistics!
December 23, 2024 at 1:49 PM