It’s often argued that life expectancy across the world has only increased because child mortality has fallen. But this untrue. The data shows that life expectancy has increased at all ages.

Globally, we emit around 50 billion tonnes of greenhouse gases each year. Where do these emissions come from? We take a look, sector-by-sector.

To help us improve Our World in Data, we have launched an audience survey to understand your needs.

830 women die from pregnancy-related causes on any given day. Most of these deaths are preventable. How can we use the Exemplar framework to identify which countries have been most successful in doing so?

We know that confirmed COVID-19 cases are only a fraction of true infections. How small a fraction though?

For most of our history we were losing terribly against the microbes. Only recently did we turn the battle in our favour. Vaccines were a major breakthrough.

Vietnam is one country which has responded well to the Coronavirus pandemic. How did they do so? In-country experts provide key insights.

South Korea is one country which has responded well to the Coronavirus pandemic. How did they do so? In-country experts provide key insights.

Germany is one country which has responded well to the Coronavirus pandemic. How did they do so? In-country experts provide key insights.

How can we identify which countries have responded well to the Coronavirus pandemic? We look at the key metrics that help us identify success stories.

Excess mortality has become a key metric to understand the true impact of the Coronavirus pandemic. But how is excess mortality measured; and what can we learn from cross-country comparisons? Janine Aron and John Muellbauer provide an overview on excess mortality statistics.

We teamed up with the YouTube channel Kurzgesagt to produce a video on climate change: ‘Who is responsible for climate change? – Who needs to fix it?’.

Data on COVID-19 testing is crucial. But not all countries report their data in a helpful way. To help official providers of testing data, we set out some simple recommendations based the best reporting practices across the countries included in our testing dataset.