The Most Common and Rare Personality Types

The Myers-Briggs test has been around since the 1940s after mother-and-daughter team, Katharine Cooks Briggs and Isobel Briggs Myers, were inspired by Carl Jung’s take on personalities in his book Psychological Types. In the years since, the MBTI (Myers-Briggs Type Indicator) has been used in schools, places of work, and by individuals to work out people’s personalities in order to better understand them. 

The indicator is based on Extraversion (E) or Introversion (I), Sensing (S) or Intuition (N), Thinking (T) or Feeling (F), and Judging (J) or Perceiving (P).

Most Common


This is the most common personality type in the world, with 13.8% of the population fitting this description. Individuals who identify as ISTJ are known to be caring and responsible. Their introverted nature tends to make them observant, resulting in them being extremely empathetic to others’ feelings.


Natural caregivers, ESFJs are similar to their introverted counterparts—except in the sense that they are more outgoing. Known for being loyal and kind, they appreciate external validation and their work being appreciated. 


Most men identify as ISTJ, with almost 16% of the male population falling into this category. Detail-oriented and strategic, these individuals value responsibility and are the right people to get the job done!

Most Rare


Only 1% of people in the United States identify as INFJ. Compassionate, they tend to find a balance between creativity and analysis, and have strong faith in their gut feelings. 


These outgoing individuals are warm and sensitive, which draws people to them. Their nature is to help and motivate otherwise, yet they are extremely hard on themselves and tend to neglect their own needs.  

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