🦜 Data Insights - Our World in Data
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Bite-sized insights on how the world is changing, written by our team
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Five million children die every year — what do they die from?
https://ourworldindata.org/five-million-children-die-every-year-what-do-they-die-from
Published: May 25, 2026 00:00
To reduce child mortality, we need to understand what children are dying from.
Population tool: how will populations across the world change in the 21st century?
https://ourworldindata.org/population-simulation-tool
Published: May 18, 2026 00:00
We created an interactive tool that lets you test how changes in fertility rates, life expectancy, and migration rates will change future populations.
Childhood stunting fell dramatically over the 20th century
https://ourworldindata.org/childhood-stunting-fell-dramatically-over-the-20th-century
Published: May 11, 2026 00:00
What can countries with high stunting rates today learn from Japan’s experience of going from 70% to 5%?
Most people care about farm animals — our food system doesn't reflect that
https://ourworldindata.org/most-people-care-about-farm-animals-our-food-system-doesnt-reflect-that
Published: April 20, 2026 00:00
Surveys worldwide show that most people find common animal farming practices unacceptable, even where meat consumption is high.
We’re looking for a writer
https://ourworldindata.org/hiring-writer-2026
Published: April 15, 2026 00:00
We’re hiring a writer who can make the world’s largest problems understandable to our large Our World in Data audience.
What do people die from in different countries?
https://ourworldindata.org/what-do-people-die-from-in-different-countries
Published: April 13, 2026 00:00
Explore causes of death data for all countries, spanning more than four decades.
Battery costs have declined by 99% in the last three decades, making electrified transport a reality
https://ourworldindata.org/battery-price-decline
Published: March 30, 2026 00:00
Batteries have become much cheaper, making energy storage far more affordable.
The human cost of unsafe abortions
https://ourworldindata.org/the-human-cost-of-unsafe-abortions
Published: March 23, 2026 00:00
Romania’s history offers a rare natural experiment on what happens when abortion laws change rapidly. What can the rest of the world learn from this?
Why cheap waste management is key to stopping plastic pollution
https://ourworldindata.org/why-cheap-waste-management-is-key-to-stopping-plastic-pollution
Published: March 16, 2026 00:00
Improving waste management in low- and middle-income countries could cut global pollution by 98%.
What are the world’s deadliest animals, and can we protect ourselves against them?
https://ourworldindata.org/deadliest-animals
Published: March 9, 2026 00:00
Deaths from other animals are mostly caused by just two types: mosquitoes and snakes.