— Occupational IQ research

Professional Writers — average IQ & cognitive profile

Published occupational IQ research consistently places professional writers at an average IQ of around 118 — the 88th percentile of the general adult population. This sits well above the population mean and reflects the cognitive demands of the role.

Why professional writers cluster at this level

Published authors and professional writers post above-average verbal IQ scores. Strong vocabulary, syntactic complexity, and conceptual integration correlate highly with the profession.

What this number really means

An occupational IQ average is a statistical mean, not a hiring criterion. The within-profession standard deviation is typically 10-15 IQ points, which means:

• There are highly successful professional writers scoring well above 133
• And highly successful professional writers scoring well below 103
• Conscientiousness, domain knowledge, emotional regulation, and motivation account for far more variance in actual job performance than the difference between, say, IQ 115 and IQ 125 does

How to interpret your own score against this average

If you're considering this profession or already in it, here's how to read a personal IQ result in context:

• If you score 108–128: you're right in the typical range for professional writers
• If you score above 133: you have meaningful cognitive headroom; you'll likely find the abstract demands of the role easier than peers
• If you score below 103: the profession is still entirely accessible to you — many professional writers succeed at this level — but you may rely more on persistence, structured systems, and specialisation than peers do

Related profession comparisons

• Programmers — average IQ 117
• Commercial Pilots — average IQ 119
• Software Engineers — average IQ 120
• Professional Musicians — average IQ 116
• Engineers — average IQ 121

Related reading

• What does an IQ of 120 mean?
• Full IQ-to-percentile chart
• What is the average IQ?