The map of the world you grew up looking at on the wall of your elementary school classroom is known as the Mercator Projection. And it’s wrong, really wrong. But the problem of how to present a 3-dimensional globe onto a flat piece of paper and keep it accurate is a difficult one. But we are improving; here’s an example of a better representation.
For more on this story, check out this article from Fiona MacDonald at Science Alert.