Data appendix – The fight against global poverty: 200 years of progress and still a very long way to goAn online data appendix explaining the data and methods used to estimate the historical poverty trends presented in Roser and Hasell (2021)By Joe Hasell — July 07, 2019
How I use Our World in Data in my work as a high school teacherMany 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.By Matthew Cone (guest author) — July 04, 2019
How I use Our World in Data in my work as a medical doctorOur 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.By Dr. Jill Gordon (guest author) — July 03, 2019
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.By Max Roser — June 25, 2019
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?By Esteban Ortiz-Ospina — June 24, 2019
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.By Hannah Ritchie — April 26, 2019
Malaria was common across half the world – since then it has been eliminated in many regionsMalaria has been eliminated from large parts of Europe, the Americas, East Asia, Australia, and the Caribbean.By Max Roser — April 25, 2019
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.By Hannah Ritchie — April 24, 2019
Child mortality: achieving the global goal for 2030 would be a huge achievement – but we are currently far away15,000 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?By Max Roser — April 23, 2019
The global population pyramid: How global demography has changed and what we can expect for the 21st centuryGlobal demographic transition signals a shift from young, growing populations to older, stable ones, reshaping societies and economies.By Max Roser — April 18, 2019
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.By Joe Hasell and Max Roser — February 05, 2019
Our World in Data is at Y CombinatorWe are one of the few non-profits that Y Combinator has decided to accept.By Max Roser, Hannah Ritchie, Esteban Ortiz-Ospina, Jaiden Mispy, Joe Hasell and Daniel Gavrilov — January 25, 2019
India's population growth will come to an end: the number of children has already peakedThe number of children in India peaked in the first decade of the 2000s.By Hannah Ritchie — January 15, 2019
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.By Joe Hasell — November 19, 2018
How child mortality has declined in the last two centuriesHow has child mortality declined worldwide across the last two centuries?By Hannah Ritchie — October 29, 2018
Twice as long – life expectancy around the worldLife expectancy has doubled over the last two centuries around the world. How has this happened?By Max Roser — October 08, 2018
The Internet's history has just begunThe Internet has already changed the world, but the big changes it will bring still lie ahead.By Max Roser — October 03, 2018