Below Average Intellectually Demanding Professions
- Waiters have an average IQ of 89.
- Retail salespersons have an average IQ of 95.
- Farmworkers have an average IQ of 91.
- Receptionists have an average IQ of 96.
- Security guards have an average IQ of 85.
- Fast food workers have an average IQ of 89.
- Telemarketers have an average IQ of 96.
- Retail clerks have an average IQ of 95.
- Cleaners have an average IQ of 83.
Intellectually Moderate Professions
- Marketing managers have an average IQ of 108.
- Nurses have an average IQ of 120.
- Social workers have an average IQ of 112.
- Police officers have an average IQ of 104.
- Firefighters have an average IQ of 104.
- Electricians have an average IQ of 105.
- Construction workers have an average IQ of 96.
- Janitors have an average IQ of 96.
- Truck drivers have an average IQ of 97.
- Cashiers have an average IQ of 99.
- Delivery drivers have an average IQ of 97.
Highly Intellectually Demanding Professions
- Librarians have an average IQ of 119.
- Chemical engineers have an average IQ of 128.
- Lawyers have an average IQ of 132.
- Surgeons have an average IQ of 135.
- College professors have an average IQ of 131.
- Computer programmers have an average IQ of 127.
- Electrical engineers have an average IQ of 125.
- Physicians have an average IQ of 125.
- Psychologists have an average IQ of 129.
- Financial analysts have an average IQ of 117.
- Journalists have an average IQ of 124.
- Mathematicians have an average IQ of 130.
- Business managers have an average IQ of 130.
- Dentists have an average IQ of 140.
- Architects have an average IQ of 134.
- Pharmacists have an average IQ of 128.
- Scientists have an average IQ of 130.
- Civil engineers have an average IQ of 125.
- Pilots have an average IQ of 120.
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