Nuclear weapons: Why reducing the risk of nuclear war should be a key concern of our generationThe consequences of nuclear war would be devastating. Much more should – and can – be done to reduce the risk that humanity will ever fight such a warBy Max Roser — March 03, 2022
Employment in agriculture: data sources and definitionsHow do we produce long-term datasets on agricultural employment?By Hannah Ritchie — February 16, 2022
Why randomized controlled trials matter and the procedures that strengthen themRandomized controlled trials are a key tool to study cause and effect. Why do they matter and how do they work?By Saloni Dattani — February 10, 2022
CO₂ emissions dataset: our sources and methodsHow do we construct our global data on CO₂ emissions?By Hannah Ritchie — February 09, 2022
FAQs on the environmental impacts of foodCommon questions on data on the environmental footprint of foodsBy Hannah Ritchie — February 07, 2022
What is childhood wasting?Childhood wasting is an important indicator of malnutrition. What is it, and how is it measured?By Hannah Ritchie — February 06, 2022
What is childhood stunting?Stunting is an important marker of childhood malnutrition. But what is it, and how is it measured?By Hannah Ritchie — February 04, 2022
What is undernourishment and how is it measured?How do we measure the prevalence of hunger across the world?By Hannah Ritchie — February 04, 2022
In most countries, democracy is a recent achievement. Dictatorship is far from a distant memoryHow old are democracies across the world?By Bastian Herre — February 03, 2022
How we’re building a team for better data at Our World in DataData is too often published in a way that’s hard to understand, check and build upon – reinforcing the low valuation it gets in society. Here is how we’re trying to break out of this bad equilibrium.By Joe Hasell — January 31, 2022
Around one-in-three children globally suffer from lead poisoning. What can we do to reduce this?Estimates suggest that around every third child in the world suffers from lead poisoning. What can we do to reduce this?By Hannah Ritchie — January 25, 2022
Dairy vs. plant-based milk: what are the environmental impacts?A growing number of people are interested in switching to plant-based alternatives to dairy. But are they better for the environment, and which is best?By Hannah Ritchie — January 19, 2022
The history of the end of poverty has just begunThe decline of global poverty is one of the most important achievements in history, but the end of poverty is still very far away.By Max Roser — January 11, 2022
Many countries have eliminated lead from paint. How do we achieve the same everywhere?Paint is an important source of lead exposure. Which countries have regulations on its use?By Hannah Ritchie — January 11, 2022
Many countries have achieved an impressive reduction in lead poisoningThe phase out of leaded gasoline, and regulations on leaded paints and pipes has led to a dramatic reduction in lead poisoning across many countries.By Hannah Ritchie — January 11, 2022
How the world eliminated lead from gasolineIn 2021, Algeria became the last country to ban leaded gasoline. How did the world achieve it?By Hannah Ritchie — January 11, 2022
The IEA wants to make their data available to the public – now it is on governments of the world’s rich countries to make this happenWe are just one step away from unlocking the world's energy data for everyone. This would be a massive achievement for progress on energy and climate.By Hannah Ritchie and Max Roser — January 06, 2022
What is the COVID-19 Stringency Index?An explanation of the nine metrics used to calculate the Stringency IndexBy Max Roser — December 24, 2021
We just published our new Global Food Data ExplorerExplore the global food system from field to plate, for all countries in the world.By Hannah Ritchie, Lucas Rodés-Guirao and Marcel Gerber — December 16, 2021
Attitudes to COVID-19 vaccinationsHow do attitudes to COVID-19 vaccinations vary across the world; and how are they changing with time?By Bobbie Macdonald — December 15, 2021
Global economic inequality: what matters most for your living conditions is not who you are, but where you areHow much does it matter to be born into a productive, industrialized economy?By Max Roser — December 09, 2021