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Where in the world do people have the highest CO2 emissions from flying?

Globally, aviation accounts for around 2.5% of CO₂ emissions. But for many, it accounts for a much larger share.

Hannah Ritchie

Less than half of young Americans voted in the last presidential election

40% of eligible voters in the US did not vote in the 2016 election. Young Americans in particular often do not exercise their right to vote – less than half of eligible under-30s voted in the last election.

Bobbie Macdonald

Why is life expectancy in the US lower than in other rich countries?

Americans have a lower life expectancy than people in other rich countries despite paying much more for healthcare. What factors may explain this?

Max Roser

Global inequalities in CO₂ emissions from aviation

Aviation accounts for 2.5% of global CO₂ emissions. Where do these emissions come from?

Hannah Ritchie

The Our World in Data COVID-19 Testing dataset has been published in the academic journal, Nature Scientific Data

The Our World in Data dataset which has tracked COVID-19 testing across the world since the start of the pandemic has been peer-reviewed and published in the academic journal, Nature Scientific Data.

Joe Hasell

Cars, planes, trains: where do CO₂ emissions from transport come from?

Transport accounts for around one-fifth of global CO₂ emissions. Three-quarters of this is from road transport.

Hannah Ritchie

Audience Survey - Who uses Our World in Data, and for what purpose?

Millions of people use Our World in Data every month. We looked at survey responses to understand who uses our work, and what for.

Ernst van Woerden

We teamed up with Kurzgesagt to make a video about climate change: 'Is It Too Late To Stop Climate Change? Well, it's Complicated'

A video about the drivers and possible solutions to climate change.

Hannah Ritchie

It’s not just about child mortality, life expectancy increased at all ages

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

Max Roser

Sector by sector: where do global greenhouse gas emissions come from?

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

Hannah Ritchie

Which countries have protected both health and the economy in the pandemic?

There is an assumption that countries face a trade-off between protecting people’s health and protecting the economy. But is this assumption true?

Joe Hasell

Exemplars in Global Health: Which countries are most successful in preventing maternal deaths?

830 women die from pregnancy-related causes on any given day. How can we use the Exemplar framework to learn how we can reduce these deaths?

Hannah Ritchie

How epidemiological models of COVID-19 help us estimate the true number of infections

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

Charlie Giattino

Exemplars in Global Health: Learning from the most successful countries in the world

Max Roser

June & July 2020 product updates

An overview of the features that we built in the last two months.

Ernst van Woerden

Our history is a battle against the microbes: we lost terribly before science, public health, and vaccines allowed us to protect ourselves

For most of history, we were losing the battle against microbes. Vaccines were one of the breakthroughs that turned it around.

Max Roser

A pandemic primer on excess mortality statistics and their comparability across countries

Excess mortality has become a key metric to understand the true impact of the COVID-19 pandemic. How is excess mortality measured; and what can we learn from cross-country comparisons?

Janine Aron, John Muellbauer, Charlie Giattino, and Hannah Ritchie

We teamed up with Kurzgesagt to make a video about climate change: 'Who Is Responsible For Climate Change? – Who Needs To Fix It?'

A video about the contributors to climate change, and how countries can work together.

Hannah Ritchie

Best practices for governments reporting COVID-19 testing data

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.

Joe Hasell, Edouard Mathieu, Esteban Ortiz-Ospina, and Max Roser

Google Mobility Trends: How has the pandemic changed the movement of people around the world?

Data tracking public mobility trends over the pandemic

Hannah Ritchie

How to read the famous coronavirus trajectory chart — video explainer

What we can and can’t learn from COVID-19 charts.

Hannah Ritchie