What Does an IQ of 60 Mean?

Quick answer: An IQ score of 60 is at the 0.4th percentile of the population on the standard scale (mean 100, SD 15). It is classified as “Extremely Low”, and roughly 1 person in 261 scores this low or lower.
0.4th
percentile
1 in 261
score this low
Extremely Low
classification
-2.67
standard deviations
IQ 60 on the bell curve — 0.4th percentile IQ 60 0.4th percentile 55 70 85 100 115 130 145
IQ 60 on the normal distribution (mean 100, SD 15). Shaded: the 0.4% of people scoring below.

Key facts about IQ 60

  • In a random group of 100 people, a score of 60 would typically rank above about 1 of them (the 0.4th percentile).

IQ 60 in depth

An IQ score of 60 falls more than two standard deviations below the population mean of 100. On the standard classification used by most modern tests, this is described as an extremely low score — fewer than about 2 in 100 people score in this range.

A single number this far from the mean should be interpreted with real caution. Scores at this level from an online screening test are most often produced by something other than reasoning ability itself: not understanding the instructions, language barriers, a distracting environment, rushing, very young test takers, or simply abandoning the attempt partway. A professionally administered assessment separates those factors out; a browser test cannot.

If a score in this range is consistent across settings and comes with real-world difficulties in learning, work, or daily living, the right next step is a formal evaluation by a psychologist — both because supervised tests are far more accurate at the extremes, and because a diagnosis is what unlocks practical support.

What this range tends to look like day to day

  • Standardized academic material typically requires substantial extra support and time
  • Multi-step abstract instructions are harder to hold and execute without structure
  • Practical, hands-on skills are often much stronger than test performance suggests
  • Structured routines and concrete examples make a large measurable difference

IQ scores in this range say very little on their own about a person’s character, effort, social intelligence, or ability to live a good life. Clinically, professionals never rely on a single score: they look at adaptive functioning — how someone actually manages daily demands — alongside multiple test sessions before drawing any conclusion.

IQ 60 on other test scales

Different tests use different standard deviations, so the “same” performance produces different numbers. A 60 on an SD-15 test (Wechsler-style, and this site) corresponds to:

ScaleUsed byEquivalent score
SD 15Wechsler (WAIS/WISC), most modern tests, this site60
SD 16Older Stanford–Binet forms57
SD 24Cattell (used by some high-IQ societies)36
PercentileAll scales0.4th

Where 60 sits among all classifications

RangeClassificationShare of population
≤ 69 Extremely Low ← IQ 60 2.1%
70–79 Borderline 6.5%
80–89 Low Average 15.6%
90–109 Average 49.5%
110–119 High Average 16.6%
120–129 Superior 7.2%
130–144 Very Superior (Gifted) 2.3%
145–159 Highly Gifted 0.1%
160+ Exceptionally Gifted <0.1%

How reliable is a score of 60?

At the far ends of the scale, IQ tests are at their least precise: few people score here, so tests have fewer calibration data points, and the error bars are wider than the ±5 points typical near the middle. An unsupervised online result this low is a prompt to retest in better conditions, not a verdict.

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IQ 60 — common questions

Is an IQ of 60 good?

An IQ of 60 is well below the average range (0.4th percentile). One score says much less than people assume: test conditions, language, effort and familiarity with the format all move results substantially — see the reliability notes on this page.

What percentile is an IQ of 60?

On a standard scale with mean 100 and SD 15, an IQ of 60 is at the 0.4th percentile (z-score -2.67). That means about 99.6% of people score above it.

How rare is an IQ of 60?

About 1 person in 261 scores 60 or lower. Worldwide, that is on the order of 31 million people.

What jobs can someone with an IQ of 60 do?

Almost anything — occupational research finds wide IQ ranges inside every profession. Skills learned through practice and demonstration matter far more than a matrix-test score, and this range is well represented across skilled trades and structured professional roles. A single IQ score is a weak career oracle; interests and accumulated skill dominate.

Can I raise an IQ of 60?

Measured scores move with test familiarity, sleep, stress and effort — often by 5–10 points — so a first online attempt frequently understates ability. Underlying fluid intelligence, however, is stable in adulthood: "brain training" apps have repeatedly failed to raise it. What reliably grows is domain skill and knowledge, which is what actually drives most real-world performance.