Facts about Holland Code

1. 07

   A 1992 study found that Social Holland types demonstrated significantly higher job satisfaction rates than their counterparts, with approximately 68 percent reporting fulfillment in people-oriented careers.

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2. 06

   Artistic Holland types show the lowest average income among the six personality categories, earning approximately 15-20 percent less than Enterprising types across most occupational fields.

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3. 05

   Research shows that individuals with Enterprising Holland types tend to gravitate toward leadership positions, with studies indicating they comprise approximately 40 percent of upper management roles across Fortune 500 companies.

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4. 04

   Holland's hexagonal model places Realistic and Investigative types adjacent to each other, sharing an emphasis on analytical problem-solving and technical competency.

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5. 03

   Over 20 million people have taken the Strong Interest Inventory, a widely used assessment tool based on Holland's theoretical framework for career guidance and vocational counseling.

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6. 02

   The six Holland personality types—Realistic, Investigative, Artistic, Social, Enterprising, and Conventional—can be arranged in a hexagonal model where adjacent types share more characteristics than opposite types.

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7. 01

   In 1959, psychologist John Holland developed his six-factor vocational model to help students and workers match their personalities with suitable career environments.

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