Latest

December 01

Article

Antiretroviral therapy has saved millions of lives from AIDS and could save more

Since the late 1980s, antiretroviral therapy has already saved millions of lives from HIV/AIDS. But millions of people with HIV still aren’t getting this life-saving treatment.

Bernadeta Dadonaite

November 15

Article

The importance of personal relations for economic outcomes

Social connections matter for economic outcomes. Personal relations, even those that we maintain for non-economic reasons, often give us access to information and provide us with social collateral for economic transactions.

Esteban Ortiz-Ospina

November 12

Article

Pneumonia — no child should die from a disease we can prevent

How many children die from pneumonia? How has this changed over time, and how can we prevent it?

Bernadeta Dadonaite

November 11

Article

Half of the world’s habitable land is used for agriculture

More than three-quarters of global agricultural land is used for livestock, despite meat and dairy making up a much smaller share of the world's protein and calories.

Hannah Ritchie and Max Roser

November 06

Article

Food production is responsible for one-quarter of the world’s greenhouse gas emissions

One-quarter of the world's greenhouse gas emissions result from food and agriculture. What are the main contributors to food's emissions?

Hannah Ritchie

November 04

Article

What are the environmental impacts of food and agriculture?

Feeding the world whilst reducing food's impact on the environment is one of our greatest challenges in the coming decades. What are food's environmental impacts?

Hannah Ritchie

October 16

Article

We won the Lovie Award!

The Lovie Award is the European internet award awarded by the International Academy of Digital Arts and Sciences.

Max Roser

October 07

Article

How do CO2 emissions compare when we adjust for trade?

Which countries are net importers and exports of emissions? How much CO2 is ‘offshored’?

Hannah Ritchie

October 04

Article

Where in the world do people emit the most CO2?

There are large inequalities in the carbon footprint of people across the world. How do countries across the world compare? Where in the world do people emit the most CO2?

Hannah Ritchie

October 03

Article

Who emits the most CO2 today?

Which countries emit the most CO2 today? How do annual emissions vary across the world?

Hannah Ritchie

October 01

Article

Who has contributed most to global CO2 emissions?

Our impact on climate change is not just about emissions that occur today. How much we emitted in the past also matters.

Hannah Ritchie

September 26

Article

12 key metrics to understand the state of the world

Our World in Data is home to thousands of charts. But some metrics are core to our work: here we present 12 that help us understand the state of the world.

Hannah Ritchie

September 24

Article

Where does our plastic accumulate in the ocean and what does that mean for the future?

An estimated 8 million tonnes of plastic enter our oceans each year. But the plastic we find in our surface waters is more than 100-fold lower. This is the 'missing plastic' problem.

Hannah Ritchie

September 20

Article

If we can make maternal deaths as rare as they are in the healthiest countries, we can save almost 300,000 mothers each year

Maternal mortality was much more common in the past. Today, it is much lower — but there are still large inequalities across the world.

Hannah Ritchie

September 19

Article

Talent is everywhere, opportunity is not. We are all losing out because of this

The world needs ideas and innovation to make progress. Creative and talented people are everywhere, but the opportunity to develop is limited to only a small number of well-off children. The world loses out as a result.

Max Roser

September 18

Article

The rise of social media

Social media sites are used by more than two-thirds of Internet users. How has social media grown over time?

Esteban Ortiz-Ospina

September 13

Article

The world now produces more seafood from fish farms than wild catch

Growing demand for seafood has placed increasing pressures on wild fish populations. One innovation has helped to alleviate some of the pressure on wild fish catch: aquaculture, the practice of fish and seafood farming. Aquaculture production has now overtaken wild fish catch.

Hannah Ritchie

September 12

Article

How often did parents see their children die?

The death of a young child has always been the most devastating tragedy mothers and fathers could experience. How common was it?

Max Roser

September 09

Article

Are Facebook and other social media platforms bad for our well-being?

What does the research tell us about the causal impact of social media use on our well-being?

Esteban Ortiz-Ospina

September 06

Article

Which countries are most densely populated?

To understand people’s geographical distribution, we need to look at population density. How does this vary across the world?

Hannah Ritchie and Edouard Mathieu

September 03

Article

Until the late 1960s, the total fertility rate was five — since then, it has halved

In the past fifty years, the total fertility rate has steeply declined as a result of women’s empowerment, declining child mortality, and the rising cost of bringing up children.

Max Roser