Not all personality types are equally rare. Some show up in roughly 1 in 67 people. Others are so common they’re practically the default. Here’s the complete ranking — rarest to most common and back again — with the gender splits that most lists quietly skip.
Prevalence figures are drawn from CPP’s large-sample MBTI research (Myers et al., MBTI Manual, 3rd ed., 1998) and Quenk’s Essentials of Myers-Briggs Type Indicator Assessment.
All 16 Types Ranked: Rarest to Most Common
| Rank | Type | Name | Approx. Prevalence |
|---|---|---|---|
| 1 | INFJ | The Advocate | ~1.5% |
| 2 | INTJ | The Architect | ~2% |
| 3 | ENTJ | The Commander | ~2% |
| 4 | ENFJ | The Protagonist | ~2% |
| 5 | INTP | The Logician | ~3% |
| 6 | ENTP | The Debater | ~3% |
| 7 | INFP | The Mediator | ~4% |
| 8 | ESTP | The Entrepreneur | ~4% |
| 9 | ISTP | The Virtuoso | ~5% |
| 10 | ENFP | The Campaigner | ~8% |
| 11 | ISFP | The Adventurer | ~9% |
| 12 | ESFP | The Entertainer | ~9% |
| 13 | ESTJ | The Executive | ~9% |
| 14 | ISTJ | The Logistician | ~12% |
| 15 | ESFJ | The Consul | ~12% |
| 16 | ISFJ | The Defender | ~13% |
ISFJ is the single most common personality type in the general population. INFJ is the rarest. The gap between them is roughly 9x.
Most Common to Least Common MBTI — The Reverse Ranking
If you’re looking for the order from most common to least common:
| Rank | Type | Approx. Prevalence |
|---|---|---|
| 1 (most common) | ISFJ | ~13% |
| 2 | ESFJ | ~12% |
| 3 | ISTJ | ~12% |
| 4 | ESTJ | ~9% |
| 5 | ESFP | ~9% |
| 6 | ISFP | ~9% |
| 7 | ENFP | ~8% |
| 8 | ISTP | ~5% |
| 9 | ESTP | ~4% |
| 10 | INFP | ~4% |
| 11 | ENTP | ~3% |
| 12 | INTP | ~3% |
| 13 | ENFJ | ~2% |
| 14 | ENTJ | ~2% |
| 15 | INTJ | ~2% |
| 16 (rarest) | INFJ | ~1.5% |
The general pattern: Feeling + Judging types (ISFJ, ESFJ, ESTJ) cluster near the top. Intuitive + Thinking types (INFJ, INTJ, ENTP, INTP) cluster near the bottom.
The Rarest Types — Profiles
1. INFJ — ~1.5% of the population
The rarest type overall. INFJ women are slightly more common than INFJ men (~1.6% vs ~1.3%), but neither group is easy to find. INFJs are private, idealistic, and often feel like they don’t quite fit anywhere — which makes sense when fewer than 1 in 50 people share your basic operating system.
The rarity partly explains the outsized cultural fascination with the type. There’s an entire subculture of people who identify as INFJ and feel seen by the label for the first time.
2. INTJ — ~2% of the population
INTJ women are exceptionally rare — around 0.8% of the female population. INTJ men are more common at roughly 3%, but still well below average. Strategic, independent, and often misread as cold, INTJs tend to thrive in roles that reward long-range thinking and don’t require much performance.
3. ENTJ — ~2% of the population
ENTJs are rare and disproportionately represented in leadership roles. If you’ve ever worked for a CEO who made decisions with unusual speed and clarity and seemed slightly impatient with everyone around them, there’s a reasonable chance they were an ENTJ.
4. ENFJ — ~2% of the population
Slightly more common among women than men. ENFJs are natural leaders with genuine warmth — the type most likely to both inspire a team and actually care how everyone is doing. Rare enough that most organisations only have one or two.
5. INTP — ~3% of the population
More common among men than women. INTPs are the theoretical framework builders — drawn to first-principles thinking and genuinely uninterested in social performance. More common in academia and software engineering than almost anywhere else.
6. ENTP — ~3% of the population
The debaters. Slightly more common among men. ENTPs are idea-generators who are constitutionally unable to leave a weak argument unchallenged. Excellent at the front end of projects; less reliable at follow-through.
7. INFP — ~4% of the population
More common among women. INFPs are quietly intense — deeply values-driven and emotionally attuned, but often too private for that to be visible at first. Drawn to writing, design, counselling, and anything where authenticity matters more than performance.
8. ISTP — ~5% of the population
Rare among women (roughly 2%), more common among men (~9%). ISTPs are the type most likely to be able to fix the thing that’s broken with minimal fuss and no conversation. Practical intelligence, fully embodied.
Why Gender Changes Everything
The most important thing missing from most rarity rankings is the gender split. Prevalence varies significantly between men and women — not because one group is more evolved, but because the underlying Big Five traits (particularly Agreeableness and Emotional Stability) have consistent sex differences in population distributions.
| Type | Overall | Men | Women |
|---|---|---|---|
| ISFJ | ~13% | ~8% | ~19% |
| ISTJ | ~12% | ~16% | ~7% |
| INTJ | ~2% | ~3% | ~0.8% |
| INFJ | ~1.5% | ~1.3% | ~1.6% |
| ISTP | ~5% | ~9% | ~2% |
| ESTP | ~4% | ~6% | ~3% |
| ENFJ | ~2% | ~1.5% | ~3% |
| ESFJ | ~12% | ~8% | ~17% |
Key takeaways:
- ISFJ is the single most common type among women (~19%) but ranks much lower among men
- ISTJ is the most common type among men (~16%) but less prevalent among women
- INTJ women are the rarest gender/type combination at roughly 0.8% — about 1 in 125 women
- INFJ is rare for both genders, but slightly more common among women
This matters if you’re curious about why certain types feel rare in your personal experience. An INTJ woman is encountering roughly 1 woman like herself for every 125 she meets. That kind of isolation shapes a personality in real ways.
What Makes a Type Rare?
Type prevalence isn’t random. The rarest types share a common thread: high Intuition + low Agreeableness or high Introversion. In Big Five terms, they score high in Openness and tend toward the extremes on other dimensions.
The most common types (ISFJ, ESFJ, ISTJ) share high Conscientiousness and Agreeableness — traits that are both more prevalent in the general population and more socially reinforced from childhood.
In short: rare types are statistically unusual combinations of traits, not personality “upgrades.” An ISFJ is not less interesting than an INFJ — they’re simply expressing a more common configuration of human psychology.
How to Find Out Your Type
The only way to know your type with confidence is to take a well-designed test — not to pick the description that sounds most flattering.
Take the LucidTraits free personality test → — 25 questions, Big Five scoring methodology, MBTI-style result. No account needed.
Frequently Asked Questions
What is the rarest personality type?
INFJ is the rarest, at approximately 1.5% of the population. INFJ women are slightly more common (~1.6%) than INFJ men (~1.3%).
What is the most common personality type?
ISFJ is the most common overall, at approximately 13% of the population. It is especially common among women, where it reaches roughly 19%.
What is the most common MBTI type for men?
ISTJ is the most common type among men at approximately 16%, followed by ESTJ and ISTP.
What is the most common MBTI type for women?
ISFJ is the most common type among women at approximately 19%, followed by ESFJ and ESFP.
How rare is INTJ?
INTJ is approximately 2% of the overall population. INTJ men are around 3%; INTJ women are around 0.8% — making INTJ women one of the rarest type-gender combinations.
Are Intuitive types rarer than Sensing types?
Yes. Roughly 70–75% of the population are Sensing types. Intuitive types (N) make up approximately 25–30%. This is why all four of the rarest types (INFJ, INTJ, ENTJ, ENFJ) are Intuitive.