About ISTJ – ‘The Inspector’

ISTJs are dependable and perseverant. They are quiet, serious, responsible, loyal individuals, who believe in time-honored laws and traditions. They possess a deep desire to promote security and peaceful living. Usually preferring to work alone, ISTJs do best in careers in which they can use their organizational skills and powers of concentration to create order and structure and therefore fit well into management positions. ISTJs represent approximately 11.6 percent of the U.S. population.

What ISTJ Means

Introversion icon50.7%

of U.S.


You gain energy from your inner world.

Sensing icon73.3%

of U.S.


You value the actual, practical, and present.

Thinking icon40.2%

of U.S.


You base decisions on logic and facts.

Judging icon54.1%

of U.S.


You’re decisive and prefer structure.

How Common ISTJs Are

ISTJ bar graph

Characteristics of ISTJs

They Most Value
They Appear to Others As
Persistent, Logical, Practical
  • Quiet
  • Reflective
  • Practical
  • Action-Oriented
  • Objective
  • Rational
  • Logical
  • Decisive
  • Sticks to Plans
  • Rigid

Learn More

For more information about your Myers-Briggs Type Indicator, visit the following websites:

You may also explore our other forms of career assessment.