Very informative video below of Ben Shapiro enumerating a list of Muslim countries and percentages of Muslims who believe in things like Sharia law, honor killings, and targeting innocent civilians. If those things meet your requirement for defining a radical Muslim, you might be surprised at how many radical Muslims there are in the world out of the 1.6 Billion.
If there is one critique, it’s Shapiro’s contention that Turkey is a ‘moderate’ Muslim country. Other than that, he pretty much nails it.
We recommend that Ben Affleck not watch this without adult supervision. He could really hurt himself: