The 16 Personality Types
Free test: 32 statements · about 5 to 7 minutes
Each four-letter code, like INTJ, sums up four preferences: energy, attention, decisions and planning.
Jump to: all 16 types in one table, Diplomats, Analysts, Sentinels, Explorers and type comparisons.
Last reviewed
Complete, honest guides to all sixteen types — the Analysts, Diplomats, Sentinels, and Explorers. Each guide covers careers, relationships, communication, conflict, stress, money, and growth, grounded in trait theory with clear limits on what a type can and cannot tell you. For career direction rather than personality style, see our guide to Holland codes and RIASEC. For a dimensional alternative to type labels, compare the Big Five personality traits and OCEAN scores.
All 16 types in one table
| Type | Nickname | In one line | What the letters mean | Group | Function stack |
|---|---|---|---|---|---|
| INFJ | The Oracle | The rare, intense idealist with a strategist's mind. | Introverted, Intuitive, Feeling and Judging | Diplomats | Ni-Fe-Ti-Se |
| INFP | The Poet | The values-driven dreamer guided by an inner compass. | Introverted, Intuitive, Feeling and Perceiving | Diplomats | Fi-Ne-Si-Te |
| ENFJ | The Luminary | The warm mentor who draws out the best in people. | Extraverted, Intuitive, Feeling and Judging | Diplomats | Fe-Ni-Se-Ti |
| ENFP | The Catalyst | The energetic spark who turns possibility into momentum. | Extraverted, Intuitive, Feeling and Perceiving | Diplomats | Ne-Fi-Te-Si |
| INTJ | The Strategist | The independent architect who plans several moves ahead. | Introverted, Intuitive, Thinking and Judging | Analysts | Ni-Te-Fi-Se |
| INTP | The Cartographer | The curious theorist mapping how everything connects. | Introverted, Intuitive, Thinking and Perceiving | Analysts | Ti-Ne-Si-Fe |
| ENTJ | The Helm | The decisive commander who builds systems and drives them. | Extraverted, Intuitive, Thinking and Judging | Analysts | Te-Ni-Se-Fi |
| ENTP | The Provocateur | The inventive debater who tests every idea to its limit. | Extraverted, Intuitive, Thinking and Perceiving | Analysts | Ne-Ti-Fe-Si |
| ISTJ | The Keystone | The dependable realist who keeps commitments and order. | Introverted, Sensing, Thinking and Judging | Sentinels | Si-Te-Fi-Ne |
| ISFJ | The Hearthkeeper | The quietly devoted protector who remembers what matters. | Introverted, Sensing, Feeling and Judging | Sentinels | Si-Fe-Ti-Ne |
| ESTJ | The Foreman | The organizer who turns plans into executed reality. | Extraverted, Sensing, Thinking and Judging | Sentinels | Te-Si-Ne-Fi |
| ESFJ | The Host | The generous connector who keeps people cared for and included. | Extraverted, Sensing, Feeling and Judging | Sentinels | Fe-Si-Ne-Ti |
| ISTP | The Tinker | The hands-on problem-solver who learns by taking things apart. | Introverted, Sensing, Thinking and Perceiving | Explorers | Ti-Se-Ni-Fe |
| ISFP | The Aesthete | The gentle creator who lives by feel and beauty. | Introverted, Sensing, Feeling and Perceiving | Explorers | Fi-Se-Ni-Te |
| ESTP | The Maverick | The bold improviser who thrives in the moment. | Extraverted, Sensing, Thinking and Perceiving | Explorers | Se-Ti-Fe-Ni |
| ESFP | The Spark | The spontaneous performer who brings energy and play. | Extraverted, Sensing, Feeling and Perceiving | Explorers | Se-Fi-Te-Ni |
Each type links to its full guide; each stack links to its cognitive functions guide. Not sure of your type? Take the free TypeAtlas test.
Diplomats
Intuitive + Feeling · idealists who lead with meaningINFJThe Oracle
The rare, intense idealist with a strategist's mind.INFPThe Poet
The values-driven dreamer guided by an inner compass.Analysts
Intuitive + Thinking · strategists who lead with logicINTJThe Strategist
The independent architect who plans several moves ahead.INTPThe Cartographer
The curious theorist mapping how everything connects.Sentinels
Sensing + Judging · stabilizers who lead with reliabilityISTJThe Keystone
The dependable realist who keeps commitments and order.ISFJThe Hearthkeeper
The quietly devoted protector who remembers what matters.Explorers
Sensing + Perceiving · pragmatists who lead in the momentISTPThe Tinker
The hands-on problem-solver who learns by taking things apart.ISFPThe Aesthete
The gentle creator who lives by feel and beauty.Not sure of your type?
Take the free Personality Type Test — thirty-two statements for your four-letter type and archetype; its report adds four trait axes with confidence scores, your closest-fit alternatives, and interpretation across all seven life dimensions. Runs locally in your browser, no account required.
Take the TypeAtlas test →Practical guides for everyday questions
Start with the situation you want to understand. These guides use everyday observations and practical examples, with room for your circumstances and preferences.
For difficult conversations, explore emotions and boundaries or saying no without undoing your boundary.
For demands on your time, read about switching off after work and sharing caregiving responsibilities.
When you need support, try the guide to naming feelings and asking for what you need.
For daily routines, explore what to do when your mind keeps planning at night and keeping a healthy habit when motivation fades.
For personality-theory terminology, read what inferior Se and grip mean in the model. These are interpretive theory terms, not measured brain states.
Cognitive loops and wellbeing
Cognitive loops across all 16 types · Personality, cognition and health · Focus and procrastination