How common was it was for parents to lose a child?
How many people die and how many are born each year?
Are Facebook and other social media platforms bad for our well-being?
Which countries are most densely populated?
50 years ago the average woman had five children, since then the number has halved
Who smokes more, men or women?
In which countries do people smoke the most?
Global Inequality of Opportunity
Diarrheal diseases are still a leading cause of child deaths: How many more lives could ORT save?
Oral rehydration therapy: a low-tech solution that has saved millions of lives
Rotavirus vaccine – an effective tool that prevents children dying from diarrhea
More than half a million children die from diarrhea each year. How do we prevent this?
What are children dying from and what can we do about it?
Where in the world are children dying?
Introducing the new Our World in Data child mortality series
How does the sex ratio at birth vary across the world?
How many people support vaccination across the world?
Skepticism to vaccines and what to do about it
We’re hiring! Why I work at OWID and why you should consider joining our research team
Are we happier when we spend more time with others?