Latest

April 04

Article

Increasing agricultural productivity across Sub-Saharan Africa is one of the most important problems this century

Agricultural productivity across Sub-Saharan Africa needs to improve to reduce hunger, poverty, and the destruction of biodiversity.

Hannah Ritchie

March 24

Article

How could the war in Ukraine impact global food supplies?

Both Ukraine and Russia are some of the world’s largest food exporters. How could global food be impacted?

Hannah Ritchie

March 22

Article

Malaria: One of the leading causes of child deaths, but progress is possible and you can contribute to it

We do not have to live in a world where 1,320 children die from a preventable disease every day.

Max Roser

March 18

Article

The International Energy Agency publishes the detailed, global energy data we all need, but its funders force it behind paywalls. Let's ask them to change it.

For energy security and progress on climate change we need open data on energy. The funders of the IEA can make this happen.

Max Roser and Hannah Ritchie

March 15

Article

March 08

Article

Migration data: our sources and definitions

Where does our migration data come from? How are these metrics defined?

Hannah Ritchie and Fiona Spooner

March 03

Article

Nuclear weapons: Why reducing the risk of nuclear war should be a key concern of our generation

The 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 war

Max Roser

February 16

Article

Employment in agriculture: data sources and definitions

How do we produce long-term datasets on agricultural employment?

Hannah Ritchie

February 10

Article

Why randomized controlled trials matter and the procedures that strengthen them

Randomized controlled trials are a key tool to study cause and effect. Why do they matter and how do they work?

Saloni Dattani

February 09

Article

CO₂ emissions dataset: our sources and methods

How do we construct our global data on CO₂ emissions?

Hannah Ritchie

February 07

Article

FAQs on the environmental impacts of food

Common questions on data on the environmental footprint of foods

Hannah Ritchie

February 06

Article

What is childhood wasting?

Childhood wasting is an important indicator of malnutrition. What is it, and how is it measured?

Hannah Ritchie

February 04

Article

What is childhood stunting?

Stunting is an important marker of childhood malnutrition. But what is it, and how is it measured?

Hannah Ritchie

February 04

Article

What is undernourishment and how is it measured?

How do we measure the prevalence of hunger across the world?

Hannah Ritchie

February 03

Article

In most countries, democracy is a recent achievement. Dictatorship is far from a distant memory

How old are democracies across the world?

Bastian Herre

January 31

Article

How we’re building a team for better data at Our World in Data

Data 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.

Joe Hasell

January 25

Article

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?

Hannah Ritchie

January 19

Article

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?

Hannah Ritchie

January 11

Article

The history of the end of poverty has just begun

The decline of global poverty is one of the most important achievements in history, but the end of poverty is still very far away.

Max Roser

January 11

Article

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?

Hannah Ritchie

January 11

Article

Many countries have achieved an impressive reduction in lead poisoning

The phase out of leaded gasoline, and regulations on leaded paints and pipes has led to a dramatic reduction in lead poisoning across many countries.

Hannah Ritchie