If personality types were evenly distributed throughout the population, we would expect each type to represent 6.25% of the population. However, some personality types are more common than others. For example, as the most common personality type ISFJs are estimated to comprise 13.8% of the popul...
The only way to know for sure if you're an INFJ is to take theMyers-Briggs Type Indicator(MBTI) assessment, which is based on the work of Swiss psychologist Carl Jung and his theory of personality type. It was formalized into a test by Isabel Briggs Myers, and her mother, Katharine Br...