The ISTJ Personality Type

ISTJs are responsible organizers, driven khổng lồ create và enforce order within systems & institutions. They are neat & orderly, inside and out, và tend to lớn have a procedure for everything they do. Reliable và dutiful, ISTJs want to lớn uphold tradition & follow regulations.

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ISTJs are steady, productive contributors. Although they are Introverted, ISTJs are rarely isolated; typical ISTJs know just where they belong in life, và want khổng lồ understand how they can participate in established organizations & systems. They concern themselves with maintaining the social order và making sure that standards are met.

What does ISTJ stand for?

ISTJ is an acronym used khổng lồ describe one of the sixteen personality types created by Katharine Briggs and Isabel Myers. It stands for Introverted, Sensing, Thinking, Judging. ISTJ indicates a person who is energized by time spent alone (Introverted), who focuses on facts and details rather than ideas & concepts (Sensing), who makes decisions based on xúc tích and reason (Thinking) & who prefers to be planned & organized rather than spontaneous & flexible (Judging). ISTJs are sometimes referred lớn as Inspector personalities because of their focus on details và interest in doing things correctly.

ISTJ Values và Motivations

ISTJs lượt thích to know what the rules of the trò chơi are, valuing predictability more than imagination. They rely on their past experience lớn guide them, & are most comfortable in familiar surroundings. ISTJs trust the proven method, và appreciate the value of dedicated practice khổng lồ build confidence in their skills.

ISTJs are hardworking and will persist until a task is done. They are logical & methodical, and often enjoy tasks that require them to use step-by-step reasoning lớn solve a problem. They are meticulous in their attention lớn details, và examine things closely lớn be sure they are correct. With their straightforward xúc tích và ngắn gọn and orientation to lớn detail, ISTJs work systematically khổng lồ bring order to lớn their own small parts of the world.

How Others See the ISTJ

ISTJs have a serious, conservative air about them. They want to know và follow the rules of the game, and typically seek out predictable surroundings where they understand their role. You may find the ISTJ doing something useful even in social situations (for instance, organizing coats & hats at a party) as they’re often more comfortable taking charge of a task than they are chatting up strangers. When given something to lớn do, they are highly dependable, và follow it through to lớn the end.

ISTJs are practical và no-nonsense, và rarely gọi attention to lớn themselves. Their clothes and possessions tend to be chosen based on utility rather than fashion, và they have an affection for the classics. ISTJs typically speak in a straightforward manner và have a good head for details. They are usually more enthusiastic about sharing factual information than exploring abstract concepts or unproven ideas.

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How rare is the ISTJ personality type?

ISTJ is the third most common type in the population and the most common type among men. ISTJs make up:

12% of the general population16% of men7% of women

Famous ISTJs

Famous ISTJs include Queen Elizabeth II, Harry Truman, Warren Buffett, Queen Victoria, George H.W. Bush, & J.D. Rockefeller.

ISTJ Quotes

"All contracts should be cleared by ISTJs; they will overlook nothing that is in it and assume nothing that is not."

- Isabel Briggs Myers, Gifts Differing


"Whether at home or at work, ISTJs are nothing if not reliable, particularly when it comes to lớn inspecting the people and things in their jurisdiction—quietly seeing to lớn it that uniform chất lượng of product is maintained, và that those around them uphold certain standards of attitude and conduct."

- David Keirsey, Please Understand Me II


"ISTJ is a no-frills, work-hard, play-hard type. They are seen as compulsive, hard-charging, capable, và true to lớn their word."

- Otto Kroeger, Type Talk at Work


Facts about ISTJs

Interesting facts about the ISTJ:

On personality trait measures, score as Calm, Stable, Steady, Cautious, & ConventionalMore likely than other types to experience cardiac problems & hypertensionMore likely than other types to experience chronic painAmong four highest types in college GPAMore frequent among African AmericansPersonal values include Financial SecurityMost likely of all types lớn enjoy a work environment where “everything is done by the book”Overrepresented among bank officers, financial managers, MBA students, and small business ownersOften found in careers in management, administration, law enforcement, và accounting

Source: MBTI Manual

ISTJ Hobbies và Interests

Popular hobbies for the ISTJ include concentration games like chess và Trivial Pursuit, playing computer games, watching sporting events, pursuing physical fitness, và playing solitary sports such as golf.


Molly Owens is the CEO of and holds a master"s degree in counseling psychology. She founded in 2012, with the goal of making chất lượng personality tests more affordable and accessible. She has led the development of assessments based on Myers and Briggs" personality types, Holland Codes, the Big Five, DISC, and the Enneagram. She is an ENTP, a tireless brainstormer, & a wildly messy chef. Find Molly on Twitter at
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