Our World In Data
Research and data to tackle the world's biggest challenges
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Our World in Data provides open-access research and interactive visualizations to help understand global development, inequality, health, and sustainability. With thousands of charts, topic pages, and data tools, it empowers researchers, policymakers, and the public to make data-driven progress on pressing issues like poverty, climate change, and population growth.
Preguntas frecuentes
We are funded through grants and reader donations. Reader donations are essential to our work as they provide stability and independence to deliver more data, charts, and insights for free.
No. Our work, including all editorial decision-making, is led internally and independently of any external influence from donors or other parties.
Yes, unless otherwise stated. You can use, reproduce, and distribute any chart we made (those with our logo and CC BY copyright stamp), provided that you cite us appropriately.
Yes. We offer direct URLs to access data in CSV format and comprehensive metadata in JSON format. You can fetch the complete data or only the subset of the data currently displayed in a chart.
We develop our own visualization and database tool, the Our World in Data Grapher. The source code is available on GitHub for transparency and educational reference, but it is not freely licensed for reuse without permission.
To cite one of our charts, cite the page that it’s found on or that is linked to at the bottom of the chart. For example, our chart on annual CO2 emissions by world region should be cited as: Hannah Ritchie, Pablo Rosado and Max Roser (2023) - 'CO₂ and Greenhouse Gas Emissions' Published online at OurWorldinData.org.
Yes, you can use our work for teaching, from primary school to postgraduate education. Just be sure to follow our guidelines on reusing our charts, data, and writing.
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