A Breakdown of IQ Scores
The average score on an IQ test is 100. Sixty-eight percent of IQ scores fall within one standard deviation of the mean. So that means that the majority of people have an IQ score between 85 and 115.
1 to 24 - Profound mental disability
25 to 39 - Severe mental disability
40 to 54 - Moderate mental disability
55 to 69 - Mild mental disability
70 to 84 - Borderline mental disability
85 to 114 - Average intelligence
115 to 129 - Above average; bright
130 to 144 - Moderately gifted
145 to 159 - Highly gifted
160 to 179 - Exceptionally gifted
180 and up - Profoundly gifted