Myers Briggs Personality Types: Understanding the 16 MBTI Types

What Is the MBTI?

The MBTI evaluates various personality types via 93 mandatory questions. The Myers-Briggs test has been translated into more than 20 languages and is used in about 20 countries worldwide, and it categorizes how people think, behave, and perceive the world. Every person who takes the test will fit into one of the 16 defined personality types.²

Who Created the MBTI and When?

Carl Jung first introduced the concept of personality typing back in the early 1920s. Starting in the early 1940s, Isabel Briggs Myers, who held a bachelor’s degree in political science, and her mother, Katharine Cook Briggs, adapted the Jungian personality types into their own questionnaire.³ The stark differences between Isabel’s personality and her husband, Clarence’s personality, acted as the initial indicator for building this test.

Both women were acutely interested in the nuances of personality differences. They wanted to find a way to support people in coming together despite these differences. When Katharine discovered Jung’s book, Psychological Types, she felt validated and began studying it intensely, and both women spent the rest of their lives as “type watchers”.⁴

What Does the MBTI Measure?

The MBTI measures four domains: extraversion-introversion, sensing-intuition, thinking-feeling, and judging-perceiving. These are based on Jung’s theories about judgment and perception, which affect people universally. With that, it’s important to note that all personality traits exist on a spectrum. In addition, no one personality trait is superior to another. All traits have some inherent advantages and some disadvantages.

The four areas measured through the MBTI are:

Extraversion Vs. Introversion

Extraversion refers to gaining energy from other people. More extroverted people may gravitate toward social gatherings, group projects, and being in the center of attention. Introversion refers to gaining energy from one’s internal world. Someone more introverted likes having more time spent alone and may be more drawn to individual hobbies and/or one-on-one interactions with others.

Sensing Vs. Intuition

Sensing refers to how someone integrates information. Sensors tend to prefer concrete data and are more practical and linear in their thought. They like more specific orders when it comes to work or completing various tasks. Someone more intuitive pays more attention to patterns, meanings, and future possibilities. They tend to be more abstract, philosophical, and imaginative.

Thinking Vs. Feeling

Thinkers tend to be logical, goal-oriented, and practical when making decisions. They are also drawn to researching or using other people’s experiences to use as reference points. Feelers, on the other hand, tend to be more grounded in their emotions. They rely on their internal needs or desires and often consider the emotional impact when making certain choices.

Judging Vs. Perceiving

Judgers cope with the external world by valuing specific parameters and a clear sense of structure. They like knowing what to expect, and there’s an affinity toward consistency and familiarity. Perceivers tend to be more spontaneous and flexible when coping with the outside world. At times, they may also be more adaptable to change.

What Are the Myers Briggs Personality Types?

The 16 MBTI personality types each combine one preference from all four dichotomies, producing a four-letter code such as ISTJ or ENFP. Each personality type is defined by its four-letter code, which can then be used to help you recognize your own behavioral patterns. Some people find their personality type supports them in identifying certain strengths or needs when navigating various life situations.

The MBTI categorizes people into one of 16 different personality types:

ISTJ – The Inspector

The Inspector is known for being responsible and valuing order. They tend to be neat in their affairs, and they like having specific policies and procedures. ISTJs are reliable in their relationships and deeply loyal to others. They have a good concept of self and enjoy working or creating established systems with others.

ISTP – The Crafter

The ISTP is observant and practical in how they move through life. They value being flexible with their approach and work well independently. They tend to be aware of what the world needs from them, and they can respond to various situations quickly and efficiently. They prefer to have intimate relationships where they have ample time for self-exploration.

ISFJ – The Protector

The ISFJ is down-to-earth, practical, and incredibly loyal to the people in their life. They enjoy familiarity and routine and maintain a sense of steadiness in the things they do. They are known for being persistent, and they take all their work and social obligations seriously. With that, they also value knowing they can be dependable for others.

ISFP – The Artist

The ISFP is nurturing and calm with an underlying feeling of enthusiasm for life. They tend to go with the flow and can be unassuming in how they move through life. Others may not feel that connected to them. However, when they build relationships with people, they are known for being warm and kind. As artists, they prioritize beauty and creation.

INFJ – The Advocate

The INFJ tends to be nurturing, loyal, and creative. They are known for truly helping others, and they tend to build deep, authentic relationships. They are insightful and often able to accurately intuit what other people need. At the same time, they can be sensitive and cautious about sharing their own innermost thoughts and feelings.

INFP – The Mediator

The INFP is known for being imaginative, non-judgmental, and genuinely compassionate toward people. They tremendously value both their personal growth and the growth of others. They enjoy spending time in their inner world, and they often thrive in more creative or artistic roles. Self-expression is one of their most important priorities.

INTJ – The Architect

The INTJ is analytical and loves improving existing systems and policies with their own intelligence and innovation. They enjoy “tinkering around,” and they are talented in solving problems in a variety of domains. Others tend to perceive them to be intelligent and thoughtful. They thrive in roles where they can be independent and consistently stimulated.

INTP – The Thinker

The INTP is both innovative and philosophical, and designs and systems intrigue them. They love the idea of considering and applying theory to all that they do. They deeply want to understand the complexity of life. They’re often absorbed by their own thoughts and enjoy spending time in their heads to make sense of the world and how it works.

ESTP – The Persuader

The ESTP loves novelty and thrill, and they bring a large energy with them through life. They are known for being quick on their feet and thinking critically without always having the right resources available. They are deeply attuned to their surroundings and can adapt to situations at a moment’s notice. That said, they generally like things fast-paced and light-hearted.

ESTJ – The Director

The ESTJ is ambitious and hard-working. They enjoy managing people and projects, and they value bringing a sense of order to the tasks they need to do. They want to ensure that everyone is on the same page, and they tend to thrive in leadership roles where they can train others and help them meet their own expectations.

ESFP – The Performer

The ESFP enjoys fun and spontaneity, and they revel in experiencing pleasure as much as they can in life. They tend to be chatty and warm, and their energy for life often comes across as infectious. They like being where the action is, and they enjoy spending time with others. They may also be a ‘social lubricant’ in fostering connections between others.

ESFJ – The Caregiver

The ESFJ is nurturing and dedicated to helping others. They like maintaining a sense of connection in their relationships and they care about what people need to feel supported. They are known for being generous with their resources and time, and they tend to have high levels of empathy for people’s emotions.

ENFP – The Champion

The ENFP loves novelty and creativity. They can communicate well, often have a good sense of humor, and thrive in public-facing roles. They can also be artistic and skilled in storytelling, and they love self-expression, particularly when it allows them to use their creative strengths. Other people tend to find them equally warm and energetic.

ENFJ – The Giver

The ENFJ is idealistic, charismatic, and highly passionate about the good of people and society at large. They are skilled in seeing other people’s potential, but they are also insightful to the inner struggles associated with being human. They are ambitious and often feel a significant loyalty toward making the world a better place.

ENTP – The Debater

The ENTP is known for being perpetually curious, open-minded, and eccentric in their approach. They have a visionary outlook on life, and they enjoy finding creative solutions to fix existing problems. Like a child, they like playing with different ideas to see what sticks. They also tend to be joyful, witty, and social.

ENTJ – The Commander

The ENTJ is known for being a strong, successful leader. They notice inconsistencies or problems within systems, and they are skilled in conceptualizing which ideas can bring forth desired change. They like having a sense of order, and they enjoy contributing to building better systems. They tend to be charismatic and manage people well.

How Does Myers-Briggs Compare to Other Personality Tests?

The MBTI differs from other personality tests by sorting people into fixed categories across four preferences rather than scoring traits on a continuous spectrum. It focuses on those four domains to categorize human behavior. One trait isn’t judged as better than the other, and all personality types have clear strengths in this assessment. That said, it doesn’t scale people based on where they fall on a spectrum.

The main personality tests include:

• The Enneagram test: The Enneagram is a popular test that consists of 9 personality types based on core motivations and internal dynamics.
• The Big Five Personality Test: Also known as the OCEAN test, the Big Five test measures levels of conscientiousness, agreeableness, extraversion, openness to experience, and neuroticism on a spectrum.
• The Workplace DISC Test: The DISC is designed to help people strengthen productivity, and connections within the workplace by measuring dominance, influence, steadiness, and conscientiousness.
• Hexaco Personality Inventory: This test measures honesty/humility, emotional stability, extraversion, agreeableness, conscientiousness, and openness to experience.
• Eysenck Personality Inventory: This test measures personality based on extroversion/introversion and neuroticism/stability, and it grants people an ‘E’ score based on extroversion, an ‘N’ score based on neuroticism, and an ‘L’ score, which measures how much someone may lie on the questionnaire.

What Are the Benefits of the MBTI?

MBTI is well-known and mainstream. Most people are familiar with the various personality types and have taken the test at some point in their life. The MBTI is strengths-based and the inventory’s explanations of each personality type tend to be positive and encouraging. It can be helpful for people to use this test as a launch point in identifying strengths and weaknesses.

What Are the Main Criticisms of the MBTI?

The founders of the Myers-Briggs were not trained in psychology. And although it’s very common, research tends to be critical of the MBTI. Several studies show it’s ineffective at predicting career success. Likewise, up to half of people who take it twice get different results each time. It may also not take various cultural factors into account.⁵

How Can Knowing Your MBTI Type Help You?

Understanding your personality can help discern your own values, desires, strengths, and abilities. Someone can take the MBTI online or through a trained practitioner. If someone feels unhappy with parts of their personality, it is possible to make changes. Other times, it may be helpful to embrace more self-compassion and self-acceptance. You may need therapy if you’re really struggling to come to terms with parts of yourself.

What Does Recent Research Say About Whether the MBTI Is Accurate?

Recent research gives a split verdict. The MBTI’s four scales are internally consistent, but the test is weak at what most people use it for, which is placing someone firmly in one of 16 boxes. In 2025, a team led by Bradley Erford published a 25-year psychometric synthesis in the Journal of Counseling & Development that pooled 193 studies of the MBTI Form M from 1999 to 2024. It found solid internal consistency, with reliability figures roughly between 0.80 and 0.92 across the scales.⁶

At the same time, the review and earlier independent studies confirm a long-standing problem. When people retake the test after a few weeks, a large share receive a different four-letter type, and the shifts are largest for those who score near the midpoint of a dichotomy. The underlying preferences are measured fairly reliably, but forcing continuous traits into either-or categories creates instability at the edges. This is why academic psychologists still favor spectrum-based models like the Big Five for research and prediction, while many people continue to find the MBTI useful as a language for self-reflection and conversation.⁷ Treat your type as a starting point for understanding your tendencies, not a fixed label or a tool for hiring, screening, or diagnosing.

In My Experience

Personality traits are generally stable, although it’s certainly possible to improve parts of yourself that you want to change. Being mindful of your patterns and making small changes is often more sustainable than attempting to overhaul everything overnight. In addition, certain mental health issues like depression, anxiety, or trauma can distort how you perceive your own personality or the personalities of others.