Dual-axis bar / circle chart. An effective way of relaying the message without filling the screen with “ink”
Another subject matter where Andy Kriebel is the eminent contributor. Three videos, ranging from lollipops themselves, through to directional lollipops and finally creating lollipop progress bars.
As usual, those videos were bundled with blog posts:
Andy Cotgreave was writing about these way back in 2011 on the interworks.com site:
Amanda Patist at The Information Lab wrote this article:
Tableau shared this post in January 2017:
An example from Andy Kriebel is here:
And a #MakeoverMonday submission from Jeremy Poole: