More than 8 out of 10 people in the world will live in Asia or Africa by 2100
Most of the world’s population growth over the next century is expected to come from Africa.
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Data appendix – The fight against global poverty: 200 years of progress and still a very long way to go
An online data appendix explaining the data and methods used to estimate the historical poverty trends presented in Roser and Hasell (2021)How I use Our World in Data in my work as a high school teacher
Many lecturers and teachers use Our World in Data in their teaching. This spans a range of levels from primary school to post-graduate university education. Matthew Cone, a US high-school teacher, shares how he uses OWID with his pupils.How I use Our World in Data in my work as a medical doctor
Our World in Data gets lots of feedback on how our work is used by policymakers, journalists, researchers and the public. But sometimes we get feedback from people who use us in ways we could never have imagined.Which countries achieved economic growth? And why does it matter?
Some countries have grown a lot, while others remained poor. We look at how incomes have changed around the world and why it matters.Does democracy lead to better health?
There is a cross-country correlation between democracy and health. Is there good evidence to suggest it is causal?Oceans, land, and deep subsurface: how is life distributed across environments?
Where do we find life on earth? Despite being vast, the oceans are home to just 1% of life – but the majority of animals. See how the different lifeforms are split across these global environments.Malaria was common across half the world – since then it has been eliminated in many regions
Malaria has been eliminated from large parts of Europe, the Americas, East Asia, Australia, and the Caribbean.Humans make up just 0.01% of Earth's life — what's the rest?
How is life on Earth distributed across the taxonomic kingdoms? Humans make up just 0.01% of life: but we've had much larger impacts on shaping the animal kingdom. Livestock now outweighs wild mammals and birds ten-fold.Child mortality: achieving the global goal for 2030 would be a huge achievement – but we are currently far away
15,000 children die on average every single day. Reducing child mortality is a key target of the Sustainable Development Goals (SDGs). What would it take for the world to reach it?The global population pyramid: How global demography has changed and what we can expect for the 21st century
Global demographic transition signals a shift from young, growing populations to older, stable ones, reshaping societies and economies.How do we know the history of extreme poverty?
To estimate historical global poverty, researchers can analyze economic data and reconstruct national accounts to understand income levels and inequality in the past.The death of UK coal in five charts
Our World in Data is at Y Combinator
We are one of the few non-profits that Y Combinator has decided to accept.India's population growth will come to an end: the number of children has already peaked
The number of children in India peaked in the first decade of the 2000s.Is income inequality rising around the world?
Whether inequality is rising or falling depends on where, when, and what aspect of inequality we have in mind.We've updated our topic page on Trade and Globalization
How child mortality has declined in the last two centuries
How has child mortality declined worldwide across the last two centuries?Is trade a major driver of income inequality?
Twice as long – life expectancy around the world
Life expectancy has doubled over the last two centuries around the world. How has this happened?What were the world's deadliest earthquakes?