There are 16 personality types, inspired by the works of Carl Jung with subsequent products based on those types trademarked by Myers-Briggs.
If you’d like to learn your type, go click “Quizzes” above to take one or both of these 2 free personality type tests.
The 16 types are derived from four pairs of preferences/dichotomies:
If you add up every combination of those four preferences/dichotemies, you get the 16 types — the ones you see in the right-hand column and elsewhere on TopTypes.