What is an INTJ personality type? INTJ (Introverted iNtuitive Thinking Judging) type is 2% of the general population, making them one of the rarest personalities.  INTJs have revolutionized the world with their unique ideas and concepts. From Isaac Newton, Nikola Tesla, Stephen Hawking to Mark Zuckerberg and James Cameron, INTJs have changed the way we look at the world. The ...