How many WCAG success criteria are there?

Question

How many total WCAG success criteria are there?

Answer

There are a total of 61 WCAG 2.0 success criteria, and a total of 78 WCAG 2.1 success criteria (not including conformance criteria). WCAG 2.0 is a subset of WCAG 2.1, meaning that all 61 WCAG 2.0 guidelines are a part of WCAG 2.1. WCAG 2.1 adds 17 new success criteria.