Are You Curious About Your IQ Score?

Would you like to know how you compare to others in your age group or country?
We provide the highest quality and most accurate online IQ test developed by experts, and over the years we've compiled a large statistical database of IQ test takers by country. This in return allows us to measure your scores against many others across the globe. If you would like to know how your IQ compares to others, then please go to a calm, quiet place to prepare yourself for the test. Remember that a high degree of concentration is critical. Once you complete the test, you will have the option to receive a certificate of your IQ score.

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Are You Curious About Your IQ Score?
Would you like to know how you compare to others in your age group or country?
We provide the highest quality and most accurate online IQ test developed by experts, and over the years we've compiled a large statistical database of IQ test takers by country. This in return allows us to measure your scores against many others across the globe. If you would like to know how your IQ compares to others, then please go to a calm, quiet place to prepare yourself for the test. Remember that a high degree of concentration is critical. Once you complete the test, you will have the option to receive a certificate of your IQ score.
Get your IQ Certificate!
Total number of tests
Today's average IQ
Total number of tests
Today's average IQ
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Average IQ ranking by country
South Korea
108
Germany
106
Japan
105
Italy
104
USA
102
Brazil
100
You can raise your country's average IQ, try it!
Recent test Result 20
Guang T'an
IQ : 125
11/08/20 07:44
Lyle
IQ : 126
11/08/20 07:28
Matthew
IQ : 93
11/08/20 07:21
주승호
IQ : 131
11/08/20 07:00
Kimberly
IQ : 126
11/08/20 06:53
Diane
IQ : 114
11/08/20 06:42
Vicki
IQ : 127
11/08/20 06:20
Tony
IQ : 140
11/08/20 06:18
jesse
IQ : 114
11/08/20 06:11
鹿嶋
IQ : 123
11/08/20 06:05
Sandra
IQ : 114
11/08/20 05:58
Nicole
IQ : 109
11/08/20 05:54
林致
IQ : 111
11/08/20 05:47
엄성수
IQ : 133
11/08/20 05:32
Liu
IQ : 137
11/08/20 05:30
Paul
IQ : 108
11/08/20 05:23
穆利
IQ : 112
11/08/20 05:14
John
IQ : 116
11/08/20 05:10
Perceval
IQ : 100
11/08/20 05:03
ぷらいと
IQ : 142
11/08/20 04:54
IQ Distribution Graph
Above 145Genius or near genius
130 - 145Very superior
115 - 130Superior
85 - 115Normal
70 - 85Dullness
Below 70Borderline Deficiency
IQ Distribution Graph
Above 145Genius or near genius
130 - 145Very superior
115 - 130Superior
85 - 115Normal
70 - 85Dullness
Below 70Borderline Deficiency
As you can see, it’s centered on 100 — that’s by design — and there are far more people in the middle range than at the high and low extremes.

It should be pointed out that the current system of IQ scoring is based on a normal distribution, with 15, 16, or 24 points (depending on the test) corresponding to one standard deviation — those are the white vertical lines above. That’s all by design and reflects the fact that mental age, which was originally used to calculate IQ scores, is affected by multiple genes and environmental factors, so tends to have this kind of statistical distribution.
The distribution is not perfectly bell-shaped though in the real world. For example, it seems that men are more likely than women to get scores at either extreme, high or low.

Average IQs in various countries
From V. Buj, Person. & Individ. Diff., Vol. 2, pp. 168 to 169, 1981
Subjects >16 yrs. old tested on the Cattell Culture Fair Test 3 (16 SD), standardized in the USA (IQ=100).
The following are some children’s relatively modern IQ scores relative to American norms (IQ=100), on a 15 SD scale and based on both verbal and performance type data, unless otherwise stated. The Asian data are the highest scores found in the data sources. That is, sometimes studies find lower Asian scores. On average, children from Asian countries get about a 107 IQ relative to American norms.
Average IQs in various countries
From V. Buj, Person. & Individ. Diff., Vol. 2, pp. 168 to 169, 1981
Subjects >16 yrs. old tested on the Cattell Culture Fair Test 3 (16 SD), standardized in the USA (IQ=100).
The following are some children’s relatively modern IQ scores relative to American norms (IQ=100), on a 15 SD scale and based on both verbal and performance type data, unless otherwise stated. The Asian data are the highest scores found in the data sources. That is, sometimes studies find lower Asian scores. On average, children from Asian countries get about a 107 IQ relative to American norms.

Canadian children scored Full Scale IQ= 103.34, Verbal= 101.4, Performance = 104.96 on the (American) WISC-III. Source: Wechsler, D. (1996), Wechsler Intelligence Scale for Children – Third Edition, Canadian Supplement. (Communicated by Dr. D. Saklofske).

1

Chinese children, in or around Beijing scored 109.4. According to Li, Jin, Vandernberg, Zhu, and Tang, 1990, as cited in R. Lynn (1997), Geographical variation in intelligence. In Helmuth Nyborg (Ed.) The Scientific Study of Human Nature. I kept Lynn’s adjustment for the Flynn Effect (The WISC-R Chinese standardization was done 10 years later than the America

2

In Nagoya Japan, the score was 110.24. It was adjusted up by 3.34 points because testing was done on the Canadian Cognitive Abilities Test (see note 1). Source: Takeuchi and Scott (1992) as cited by R. Lynn (1997), Geographical variation in intelligence. In Helmuth Nyborg (Ed.) The Scientific Study of Human Nature. It seems that the Japanese gains have started to level off.

3

South Korean children got a score of 109 versus British children. Source: Lynn and Ja Song (1994) as cited by R. Lynn (1997), Geographical variation in intelligence. In Helmuth Nyborg (Ed.) The Scientific Study of Human Nature.

4

Taiwanese children versus British children: 104.7, on a culturally reduced test. Adjusted for the Flynn Effect by R. Lynn (1997), Geographical variation in intelligence. In Helmuth Nyborg (Ed.) The Scientific Study of Human Nature.

5
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Copyright @ 2020. IQ Society GmbH & Co.
The contents on this site is provided for general information and educational purposes only and should not be relied upon or used as the sole basis for making decisions without consulting primary, more accurate, more complete or more timely sources of information. Any reliance on the material on this site is at your own risk.
The contents on this site is provided for general information and educational purposes only and should not be relied upon or used as the sole basis for making decisions without consulting primary, more accurate, more complete or more timely sources of information. Any reliance on the material on this site is at your own risk.
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Copyright @ 2020. IQ Society GmbH & Co.