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?
November 12, 2019
Article
Latest
Our latest articles, data updates, and announcements
November 11, 2019
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.
November 6, 2019
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?
November 4, 2019
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?
October 16, 2019
Article
We won the Lovie Award!
The Lovie Award is the European internet award awarded by the International Academy of Digital Arts and Sciences.
October 7, 2019
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’?
October 4, 2019
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?
October 3, 2019
Article
Who emits the most CO2 today?
Which countries emit the most CO2 today? How do annual emissions vary across the world?
October 1, 2019
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.
September 26, 2019
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.
September 24, 2019
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.
September 20, 2019
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.
September 19, 2019
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.
September 18, 2019
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?
September 13, 2019
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.
September 12, 2019
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?
September 9, 2019
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?
September 6, 2019
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?
September 3, 2019
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.
September 2, 2019
Article
Who smokes more, men or women?
Nearly one-in-four adults in the world smokes tobacco. More than one-third of men, but just over 8% of women do. How do sex differences in smoking vary across the world?
September 2, 2019
Article
In which countries do people smoke the most?
One-in-five (20%) of adults in the world smoke tobacco. But where in the world is smoking most common?