Animated pie chart time line

Here's a tutorial:
https://helpx.adobe.com/after-effects/how-to/animated-infographic.html

This is still just a "basic" pie chart that's easily created using instances of circle shapes and radial wipes. The only thing that may require some extra work is the placement of the callouts, which is easy enough to do with a simple sine/ cosine expression based on the wipe's angle(s). Not sure what else you need to know beyond that...

Mylenium