Factfulness

Hans Rosling was a physician and professor of international health at the Karolinska Institute who became famous for TED talks in which animated bubble charts showed countries growing richer and healthier. He wrote this book with his son Ola Rosling and daughter-in-law Anna Rosling Rönnlund, his co-founders at the Gapminder Foundation, and it came out after his death in 2017.

Its argument is that even well-informed people, scientists, journalists and investment bankers among them, see the world as worse than it is. Rosling blames ten instincts, among them the gap, negativity, straight-line, size and urgency instincts, and pairs each with a rule of thumb for checking it. He also replaces the developed-versus-developing split with four income levels.

Bill Gates called it one of the best books he had ever read. Reviewers liked its warmth. In Nature, Jim O'Neill noted that it is not comprehensive and leaves out problems such as antimicrobial resistance, and the Overpopulation Project argued that it is too sanguine about ecological limits and inequality.

It is not a finance book. Its value to investors is as a manual of statistical hygiene: check proportions, look for the curve before you extrapolate a line, and distrust the vivid number.

1. Expect a bias toward gloom. Most educated people, investment professionals included, judge the world to be poorer, sicker and more violent than the data show. That bias may already be built into your view of a market.
2. Check for the curve. Trends that look like straight lines, such as population growth, often bend into S-curves or level off. Extrapolating the recent slope is one of the most common forecasting errors.
3. Never trust a lone number. Compare it with something, divide it by something, and ask whether it is large relative to the whole before reacting.
4. Averages and labels hide the spread. Splitting the world in two, rich and poor or developed and developing, hides the middle where most people and most of the growth are. Look at the distribution.
5. Urgency is the enemy of judgment. Pressure to act at once usually comes with poor data. Take small steps, ask for better numbers, and be wary of anyone who says there is no time to think.

The book is built around the opening quiz and then takes one instinct per chapter, mixing global data with stories from Rosling's career as a doctor in Mozambique and as a researcher in Africa and Asia.

1. The test. The introduction gives the 13 questions and the results from audiences around the world, which show that people do worse than chance and in a consistent direction.
2. How we misread the world (gap, negativity, straight line, fear, size). Rosling explains how the developed-versus-developing split hides a world that is mostly at middle incomes. He shows why bad news gets attention while gradual improvement goes unreported, why population growth curves bend rather than run in straight lines, why frightening risks get more attention than likely ones, and why a lone big number means little without a denominator.
3. How we lump and blame (generalization, destiny, single perspective, blame, urgency). These chapters warn against treating whole continents as alike, assuming cultures never change, relying on one expert's lens, looking for villains instead of systems, and acting rashly under pressure. The urgency chapter includes Rosling's own account of ordering a roadblock in Mozambique during an outbreak of konzo, a non-contagious paralytic disease, after which people trying to get around it drowned at sea.
4. Factfulness in practice. A closing chapter applies the rules to fields such as education, business and journalism, and lists the rules of thumb in one place.

INSTANT NEW YORK TIMES BESTSELLER One of the most important books I’ve ever read—an indispensable guide to thinking clearly about the world.” – Bill Gates Hans Rosling tells the story of ‘the secret silent miracle of human progress’ as only he can. But Factfulness does much more than that. It also explains why progress is so often secret and silent and teaches readers how to see it clearly.” —Melinda Gates Factfulness by Hans Rosling, an outstanding international public health expert, is a hopeful book about the potential for human progress when we work off facts rather than our inherent biases. - Former U.S. President Barack Obama Factfulness: The stress-reducing habit of only carrying opinions for which you have strong supporting facts. When asked simple questions about global trends—what percentage of the world’s population live in poverty; why the world’s population is increasing; how many girls finish school—we systematically get the answers wrong. So wrong that a chimpanzee choosing answers at random will consistently outguess teachers, journalists, Nobel laureates, and investment bankers. In Factfulness, Professor of International Health and global TED phenomenon Hans Rosling, together with his two long-time collaborators, Anna and Ola, offers a radical new explanation of why this happens. They reveal the ten instincts that distort our perspective—from our tendency to divide the world into two camps (usually some version of us and them) to the way we consume media (where fear rules) to how we perceive progress (believing that most things are getting worse). Our problem is that we don’t know what we don’t know, and even our guesses are informed by unconscious and predictable biases. It turns out that the world, for all its imperfections, is in a much better state than we might think. That doesn’t mean there aren’t real concerns. But when we worry about everything all the time instead of embracing a worldview based on facts, we can lose our ability to focus on the things that threaten us most. Inspiring and revelatory, filled with lively anecdotes and moving stories, Factfulness is an urgent and essential book that will change the way you see the world and empower you to respond to the crises and opportunities of the future. --- This book is my last battle in my life-long mission to fight devastating ignorance...Previously I armed myself with huge data sets, eye-opening software, an energetic learning style and a Swedish bayonet for sword-swallowing. It wasn’t enough. But I hope this book will be.” Hans Rosling, February 2017.