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The 16 Personality Types

The CQ Team · 5 min read · Oct 16, 2026

All 16 personality types based on the Myers-Briggs letters: what each is like, how rare it is in the Myers-Briggs Company's 2018 US data, and a page for each.

Every four-letter type, how common it is in the Myers-Briggs Company's 2018 US sample of 3,578 adults, and what it is like. Rarest first.

All 16 types, rarest first

TypeShare, 2018In a sentence
ENTJ1.8%ENTJs take charge, spot inefficiency fast and build systems to fix it..
ENFJ2.3%ENFJs see potential in people and rally groups towards it..
INFJ2.9%INFJs read patterns in people, hold firm values and work steadily towards a picture of how things should be..
ENTP3.0%ENTPs love a new problem, argue both sides for fun and spot the angle nobody else saw..
INTJ3.1%INTJs build long-range plans in their heads and then organise the world to carry them out..
INTP4.5%INTPs want to understand how everything works and keep questioning a model until it holds..
ESTP4.9%ESTPs act first, read a room fast and solve problems in real time..
ESFP5.1%ESFPs bring energy to a room, enjoy people and the moment, and make work fun..
ESFJ6.3%ESFJs build harmony, notice what people need and make sure it gets done..
INFP6.4%INFPs live by their values, see possibilities in people and want their work to mean something..
ISFP6.7%ISFPs live by quiet personal values, notice beauty in the here and now and would rather show who they are than say it..
ENFP7.5%ENFPs see life as full of possibilities, warm up a room quickly and chase whatever feels meaningful..
ESTJ8.0%ESTJs organise people and projects, set clear standards and get things done efficiently..
ISTP9.4%ISTPs stay quiet until something breaks, then work out how it works and fix it fast..
ISFJ10.6%ISFJs look after people in practical ways, remember the details that matter to them and quietly keep things running..
ISTJ17.6%ISTJs trust what has worked before, keep their word and finish what they start, in order and on time..

Sources

Frequently asked questions

What are the 16 personality types?

The combinations of four letter pairs: E or I, S or N, T or F, and J or P. Each combination, such as INFJ or ESTP, is one type.

What is the most common personality type?

ISTJ, at 17.6% of Americans in the Myers-Briggs Company's 2018 sample.

What is the rarest personality type?

ENTJ, at 1.8% in the same sample.

Myers-Briggs Type Indicator, Myers-Briggs and MBTI are registered trademarks of The Myers & Briggs Foundation. Cerebral Quotient is not affiliated with The Myers & Briggs Foundation or The Myers-Briggs Company.

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