The BBC's More or Less: Tim Harford explains - and sometimes debunks - the numbers and statistics used in political debate, the news, and everyday life.bbc.co.uk/programmes/b00…Joined August 2011
How much do asylum seekers cost the state?
@M_Sumption of @MigObs explains how the number has gone up from £8000 per person per year in 2018/9 to nearly £21,000 in the latest figures.
Story 2 in this week’s @BBCRadio4 More or Less.
bbc.co.uk/programmes/p0j…
“Based on what you've told me, I don't think you really can reasonably extrapolate…”
@TimHarford presses Andrew Amoils @nwwealth on how they worked out 9500 millionaires might leave the UK this year.
Story 1 on this week’s @BBCRadio4 More or Less.
bbc.co.uk/programmes/p0j…
Did More or Less make a terrible mathematical error?
We said 1 divided by zero was an impossible calculation. Our listeners said the answer was infinity.
@stecks explains why infinity is not the answer.
Story No.3 on @BBCRadio4 More or Less:
bbc.co.uk/programmes/p0j…
When trying to solve a problem “is like turning around an oil tanker”, that suggests it’s going to take a very long time. But how long does it actually take?
Story No.5 on this week’s @BBCRadio4 More or Less.
bbc.co.uk/programmes/p0j…
“Most policy and most government, you would hope, is based on evidence. But it turns out often the evidence base is very, very thin”.
@DavidHalpernCBE of @B_I_Team explains the findings of his new report.
Story No.4 on this week's More or Less:
bbc.co.uk/programmes/p0j…
Energy Secretary Ed Miliband says the latest round of the renewable energy auction was “record-breaking”. That entirely depends which record you’re looking at.
Story No.2 on this week’s @BBCRadio4 More or Less:
bbc.co.uk/programmes/p0j…
185K Followers 1K FollowingAuthor How To Make The World Add Up (UK) / The Data Detective (US).
Cautionary Tales podcast.
Undercover Economist at the FT.
BBC More or Less.
Views my own.
172K Followers 3K FollowingPresenter of BBC Radio 4's Briefing Room, author of Voodoo Histories, now Substacking with Notes from the Underground. Instagram: david_aaronovitch
80K Followers 375 FollowingStatistician: + evidence, risk, probability, uncertainty. Emeritus Prof of Stats at Cambridge. Author Art of Uncertainty, Art of Statistics. Own opinions.
206K Followers 2K FollowingBad information ruins lives. We're a team of independent fact checkers and campaigners who find, expose and counter the harm it does. #FactsMatter
18K Followers 568 FollowingUsed to study physics. Now my job title has "strategy" in it.
(Taking a break from this site until change of ownership, foreclosure or similar.)
33K Followers 3K FollowingPolicy & Analysis Correspondent BBC Verify
Author of "Exile Economics: What Happens if Globalisation Fails", published May 2025
6K Followers 2K FollowingMy opinions–not my clients'–on analytics and other stuff
I'm a freelance data scientist and commentator working in healthcare.
5K Followers 2K FollowingProf Department of Methodology LSE. Research methods, surveys & polling, whingeing about West Ham. tweeting in a personal capacity.
185 Followers 615 FollowingMan of Kent. Likes: Travel, cars, sport, eating out, moderate exercise, good conversation, gambling, short-sleeve shirts. All teeth my own. Orbis non sufficit.
211 Followers 414 FollowingScientist, trade union rep and community campaigner.
Jersey and St David's-ophile.
'Stephanie has the gift of blunt speech', Mr Brown, art teacher.
4K Followers 5K FollowingFighting for Welsh Rivers, holding to account those who legislate, regulate & pollute. We are a voluntary organisation.
Moving to @welshriversunion.bsky.social
157K Followers 6K FollowingChairman, Fighting for a Free Future | Chief Provocation Officer, @ProvocPeople | Adviser to @Glintpay + @axiombtc | more to follow...
223 Followers 501 FollowingDegree in Environmental Sciences. Retired helicopter and airline pilot. Sikorsky S61N and Puma SA330J. Boeing 737, Airbus A320 and A330. 10,500hours total time.
7K Followers 3K FollowingCentre for Analysis of Social Exclusion. Research on social disadvantage and examination of the impact of public policy.
RTs don't imply endorsement
619 Followers 2K FollowingSweary Old Bastard. Kicking against the pricks. Francophile. Old movies. Crime novels. NUFC. Gin. Reposting may not signify agreement.
152K Followers 2K FollowingBack off man, I'm a scientist. President of @Humanists_UK Lecturer in Genetics @UCL Genetics, race, eugenics, books, cricket, +–=÷× @kbjmanagement
185K Followers 1K FollowingAuthor How To Make The World Add Up (UK) / The Data Detective (US).
Cautionary Tales podcast.
Undercover Economist at the FT.
BBC More or Less.
Views my own.
80K Followers 375 FollowingStatistician: + evidence, risk, probability, uncertainty. Emeritus Prof of Stats at Cambridge. Author Art of Uncertainty, Art of Statistics. Own opinions.
206K Followers 2K FollowingBad information ruins lives. We're a team of independent fact checkers and campaigners who find, expose and counter the harm it does. #FactsMatter
345K Followers 952 FollowingThe UK's largest independent producer of official statistics and the recognised national statistical institute of the UK. Contact https://t.co/FZIZy3JtgU
4K Followers 574 FollowingStatistics expert and writer, formerly of the House of Commons Library. New book 'Sum of Us' out now 🙌📊 Also author of critically acclaimed 'Bad Data' (2022).
30K Followers 2K FollowingCar journalist, TV presenter, author, campaigns for cleaner transport. One of first press to drive GM’s EV1. Helped save £100b fuel tax. EV driver for 10 years
709 Followers 3K FollowingProducer and journalist for BBC Radio 4 and the World Service, currently working on More or Less. Novels, nature, history, and a good deal else besides.
10K Followers 9K FollowingMedic made in Dundee, filmmaker, broadcaster. PhD, ESRC scholar on attacks on healthcare in war, Newnham College, Cambridge. LLM IHL HRL My Views 🏴
455 Followers 199 FollowingI block Paid accounts.
Think about whether you should believe what you just read
Optimism is thinking food rationing will be enough to get us to 2050.cis male
5K Followers 1K FollowingI kill people, but only on paper. NYT-bestselling author. Find me on many other social media sites - I am no longer active here.
203K Followers 7K FollowingSocialist. Trade Unionist. Activist. Views strictly my own & absolutely not those of anyone else. A retweet is not necessarily support.
121K Followers 470 FollowingI am head of Economics and Politics at Bloomberg and host of the Trumponomics podcast . Also a QPR fan. But views are my own, and retweets are not endorsements.
4K Followers 302 FollowingCrossbencher in the House of Lords. Previously Executive Director of the Winton Centre for Risk & Evidence Communication. Creator of Octopus: https://t.co/sW4rtZPqUA
7K Followers 1K FollowingCEO @CampbellReviews. Decision ready information for decisions that matter. Visiting Fellow @PolicyatKings @NuffieldOxford. Ex @FullFact. @TheMktgAcademy alum
5K Followers 1K FollowingJournalist, Author & Podcaster ex-BBC
#Room5 Best New Radio Show #UKARIAS
#Tunnel29 - Podcast of the Year @Britpodawards
Tunnel 29 - Economist Book Of The Year
59K Followers 4K FollowingWe’re the Bureau of Investigative Journalism – exposing injustice and sparking change for more than a decade 🔥 Support us now 🔗 https://t.co/U8wOfBV9rm
26K Followers 3K FollowingMobilizing data for people + planet. The Global Partnership for Sustainable Development Data. #Data4SDGs
Stay in the loop 📰: https://t.co/yDZ6slOKCa
15K Followers 2K FollowingSignificance is a magazine + website showcasing statistics stories from around the globe. Brought to you by @RoyalStatSoc, @AmstatNews + @StatSocAus
33K Followers 1K FollowingThe Royal Statistical Society is a membership body promoting a world with data at the heart of understanding and decision making
No recent Favorites. New Favorites will appear here.