Is an IQ of 55 Good? What It Means & Where You Stand
Classification
Extremely Low
Percentile
0.1st
Rarity
1 in 1,000
Below Average
What Does an IQ of 55 Mean?
An IQ of 55 falls well within the extremely low range and is typically associated with moderate intellectual disability. Individuals at this level benefit significantly from structured support services, specialized education, and community-based programs. With appropriate assistance, many people at this level develop self-care skills, maintain social relationships, and participate in supervised work environments. It is critical to remember that IQ scores at this level are strongly influenced by testing conditions and do not capture a person's full range of abilities.
An IQ of 55 places you at the 0.1st percentile, which means you scored higher than approximately 0.1% of the general population on a standardized intelligence test. This score falls into the Extremely Low range on the IQ scale. With a rarity of 1 in 1,000, this score is less common, but IQ is just one measure of cognitive ability.
To understand how IQ scores are calculated and what they measure, see our complete guide on what IQ is and how it works. For a full breakdown of all score ranges and their meanings, visit our IQ score ranges page.
Career Context for an IQ of 55
Supported employment in highly structured environments is often appropriate at this level. Day programs, sheltered workshops, and supervised community jobs can provide meaningful activity and social connection. The focus should be on matching individual strengths to appropriate tasks with adequate support.
How Does an IQ of 55 Compare?
Here's how a score of 55 compares to nearby IQ scores:
| Score | Classification | Percentile |
|---|---|---|
| IQ 40 | Profound | 0.003rd |
| IQ 45 | Moderate to Severe | 0.01st |
| IQ 50 | Moderate | 0.04th |
| IQ 60 | Extremely Low | 0.4th |
| IQ 65 | Extremely Low | 1st |
Frequently Asked Questions
Is 55 a good IQ score?
An IQ of 55 is in the extremely low range and is associated with moderate intellectual disability. However, with proper support, individuals at this level can develop meaningful skills and lead fulfilling lives. The score does not define a person's worth or happiness.
What does an IQ of 55 mean?
An IQ of 55 indicates significant cognitive challenges compared to the general population. Most individuals at this level benefit from specialized education, vocational training, and ongoing support services to maximize their independence and quality of life.
What support services help someone with a 55 IQ?
Key services include special education programs, vocational rehabilitation, supported living arrangements, community-based day programs, speech and occupational therapy, and social skills training. Early intervention and consistent support produce the best outcomes.
Explore Other IQ Scores
Take our free IQ test to find out where you stand, or learn more about what IQ really measures.