

More or Less: Behind the Stats
BBC Radio 4
Tim Harford and the More or Less team try to make sense of the statistics which surround us. From BBC Radio 4
Episodes
Mentioned books

Jul 9, 2025 • 27min
Can drinking one less bottle of coke a day halve obesity?
A bottle of Coke a day might seem harmless, but could it be the key to cutting obesity rates? The complexities of weight loss reveal that simple calorie cuts aren't always effective. Plus, learn about London's surprising baby demographics and the rising number of foreign-born parents. The podcast also tackles why UK electricity prices are soaring and how the war in Ukraine influences those costs. Lastly, the puzzling claim about 37 million churches worldwide comes under scrutiny, making you question just how many places of worship truly exist.

22 snips
Jul 5, 2025 • 9min
The economics of war: Vikings, Conquistadors and Vietnam
Duncan Weldon, an economist and journalist, explores the intricate relationship between economics and warfare in his book, Blood and Treasure. He discusses how Viking raids unexpectedly boosted European trade by transforming raiders into protectors. Weldon also delves into Spain's economic downfall post-conquest, showcasing the unsustainable reliance on New World riches. Lastly, he critiques U.S. strategies in the Vietnam War, revealing the economic miscalculations that underpinned extensive bombing campaigns and the underestimated resilience of North Vietnam.

40 snips
Jul 2, 2025 • 28min
Is the UK seeing a Christian revival?
An intriguing discussion examines the surprising bounce-back of church attendance in the UK, diving into conflicting statistics and potential implications for faith in society. The podcast also unpacks the rising claims for Personal Independence Payments, highlighting mental health trends. Safety stats for the elderly concerning falls are shared alongside a humorous take on heights. Finally, the capabilities of the Vera Rubin Observatory are explored, showcasing its potential for astronomical discoveries while acknowledging the challenges of observing the moon.

16 snips
Jun 28, 2025 • 9min
Has Russia suffered a million casualties in the Ukraine war?
The podcast dives into the staggering claim of one million Russian casualties in the Ukraine war. It unpacks the difficulties of gathering accurate military data amid chaos. Experts discuss the traditional methods for assessing losses and highlight the lack of credible sources. The conversation reveals shocking estimates of Russian military deaths, ranging from 200,000 to 250,000, emphasizing the unprecedented human cost of this ongoing conflict. Tune in for insights on how these figures shape our understanding of the war.

32 snips
Jun 25, 2025 • 29min
Why is data on grooming gangs so bad?
Josephine Casserly, a dedicated reporter, dives into the troubling data surrounding grooming gangs, highlighting significant gaps in ethnicity reporting. She explains how two-thirds of cases lack ethnic categorization, impacting our understanding of crime. The conversation stresses the importance of comprehensive data for revealing accurate perpetrator demographics. Additionally, Casserly discusses how misconceptions about these figures can lead to biases and underreported incidents, raising critical questions about societal narratives.

34 snips
Jun 21, 2025 • 9min
How to spot a suspicious statistic
In this episode, Alex Edmans, a finance professor at London Business School and author of 'May Contain Lies', shares insights on how to spot misleading statistics. He examines the nuances of breastfeeding data, emphasizing a holistic interpretation. The conversation also tackles the complex relationship between economic inequality and social issues, questioning causation versus correlation. Edmans empowers listeners to critically engage with statistics, offering practical techniques to discern trustworthy data from misleading claims.

24 snips
Jun 18, 2025 • 29min
Are 4% of young women in the UK on OnlyFans?
Tim Harford dives into the intriguing claim that 4% of young UK women are on OnlyFans, uncovering dubious sources behind the statistics. He also tackles the financial implications of housing asylum seekers and the complexities of government spending. The discussion extends to water usage, revealing Scots consume significantly more than people in Yorkshire. Additionally, Harford explores changing parental dynamics in childcare, offering a fresh perspective on how working mothers engage with their children compared to their 1950s counterparts.

30 snips
Jun 14, 2025 • 10min
Could you be hit by a falling satellite?
The rising number of satellites poses intriguing challenges as many are predicted to tumble back to Earth by 2030. Experts delve into the risks of collisions in orbit, the growing influence of commercial satellites, and the environmental implications of space debris. They discuss how re-entry mechanics work and the need for better management to ensure safety. The conversation also raises alarm over the hazards of retired satellites falling from the sky, particularly highlighting the Starlink program's impact on our atmosphere.

21 snips
Jun 11, 2025 • 28min
How do you make something 10-times more lethal?
Discover the intriguing concept of creating a military that’s ten times more lethal and what that really means for global power dynamics. Explore the bizarre valuation of a tree worth over £622,000, delving into the complexities of environmental assessments. Wonder if there are really more yoga instructors than fishermen, and uncover the surprising implications of an aging population on public services. Finally, hear about the whimsical claim of egg prices dropping by 400%, all while navigating the colorful realm of employment stats.

47 snips
Jun 7, 2025 • 9min
Is the world’s population being miscounted?
Understanding how many people live on Earth is more complex than it seems. A Finnish study reveals that rural populations are often underestimated by a staggering 50 to 80%. This discrepancy challenges existing census data, making us question the reliability of global population counts. Sensational media interpretations add to the confusion, suggesting millions more people than estimated. Such inaccuracies can significantly affect resource allocation and planning, revealing the urgent need for better demographic data.