What does an IQ of 87 mean?
Score, percentile, classification and what it means in practice
87 — Below Average · 19.3th %ile · 1 in 5
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An IQ of 87 is slightly below average. Most people in this range live fully independent lives and hold regular employment. This score level may present more challenges in highly academic settings, but practical intelligence, emotional skills, and life experience are not measured by IQ tests and can compensate significantly. Many successful people score in this range.
IQ 87 in the Population
IQ 87 > 19.3%
Cognitive Profile at IQ 87
Careers & IQ 87
IQ predicts academic performance and learning speed. People with an IQ around 87 often work in:
Career success depends on many factors beyond IQ: personality, skills, motivation, and opportunity.
How is IQ 87 measured?
IQ tests measure cognitive abilities including logical reasoning, pattern recognition, spatial thinking, and working memory. Scores are normalized so that 100 is exactly average for the population, with a standard deviation of 15. A score of 87 places you 0.9 standard deviations below the mean.
Is IQ fixed?
IQ is relatively stable in adulthood but not completely fixed. It can change by 5–10 points across tests. Childhood scores are less stable and can shift significantly with educational interventions. Factors like sleep deprivation, stress, and illness temporarily suppress IQ performance.
Frequently Asked Questions
Is an IQ of 87 good?
An IQ of 87 is below average, placing you at the 19.3th percentile. About 80.7% of people score higher, which is below average, though IQ is one of many measures of ability.
What percentile is an IQ of 87?
An IQ of 87 corresponds to approximately the 19.3th percentile. This means you score higher than 19.3% of the general population on standardized IQ tests.
How rare is an IQ of 87?
An IQ of 87 occurs in approximately 1 in 5 of the population. IQ follows a normal distribution with mean 100 and standard deviation 15.
What jobs are associated with an IQ of 87?
Common careers for people with an IQ around 87 include: Skilled labourer, Factory worker, Delivery driver, Food service worker. Career success depends on many factors beyond IQ, including skills, motivation, and emotional intelligence.
Can an IQ of 87 be improved?
IQ scores can fluctuate by 5–10 points based on testing conditions, education, and health. Long-term improvements come from sustained cognitive engagement: reading, complex problem solving, quality sleep, and physical exercise all support cognitive performance.
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