Africa

There are hundreds of rivers on Earth’s surface, moving freshwater from hills and mountains down to larger rivers, lakes, and oceans.

Thanks to the planet’s natural slopes and ridges, falling rain that isn’t absorbed by soil or evaporated also ends up in nearby rivers. This area—where all flowing surface water converges—is called a river basin, drainage basin, or watershed.

https://player.vimeo.com/video/777364163
Mapped: The World’s Countries Compared by 20 Key Metrics

Which countries have the largest populations? What about the rural versus urban population divide? And which countries have the highest Gross Domestic Product (GDP), military expenditures, or tech exports?

The Most Innovative Countries in the World 2022

Since 2000, global investment in research and development (R&D) has tripled to $2.4 trillion.