## The Data Minute: How many people have ever lived?

**The Data Minute: How many people have ever lived?**

How do we know how many people there are in the world? Many countries conduct censuses every 10 years, but what about the years in between? How can demography - the statistical study of human populations - answer these questions?

- Tags:
- Dataviz [1]
- The World Region [2]
- opendata [3]
- opendata dataviz [4]