Join High IQ Society

Membership is open to those who possess an IQ in the top five percent of the population (124 IQ using a 15 standard deviation).

Prospective members can join using certified scores from our online admissions IQ test at IQ-test.com, or by submitting evidence of qualifying scores from a prior intelligence test within our approved list of tests.

The membership committee has established a differential annual dues structure for prospective members living in developing countries. To determine if you are eligible for reduced annual dues, please check the Developing Countries List.

Take our admissions IQ test Submit scores

To qualify using prior intelligence testing scores, we require a demonstrative IQ test score of at least 124, or a raw IQ score in the top fifth percentile on any of the following IQ tests.

Wechsler Adult Intelligence Scales
Wechsler Intelligence Scale for Children
Woodcock-Johnson Tests of Cognitive Abilities
Stanford-Binet Intelligence Scales
Raven's Progressive Matrices
Miller Analogies Test
Cattell Culture Fair
Mensa membership card
College admission: SAT, ACT, GMAT

Individuals residing in one of the developing countries listed below qualify for a reduced dues rate of 50 percent.

Afghanistan
Algeria
Angola
Armenia
Azerbaijan
Bangladesh
Bhutan
Botswana
Cambodia
Cameroon
Central African Republic
Chad
China
Colombia
Costa Rica
Croatia
Cuba
Djibouti
Dominica
Dominican Republic
Ecuador
El Salvador
Ethiopia
Guatemala
Haiti
Honduras
India
Indonesia
Iran
Iraq
Kazakhstan
Kenya
Laos
Lithuania
Madagascar
Malaysia
Morocco
Mozambique
Nicaragua
Panama
Paraguay
Peru
Philippines
Poland
Rwanda
Seychelles
Sierra Leone
Somalia
Sri-Lanka
Sudan
Syria
Tajikistan
Tanzania
Tunisia
Turkey
Turkmenistan
Uganda
Ukraine
Uruguay
Uzbekistan
Venezuela
Vietnam
Zimbabwe

To apply for a special reduced fees membership please contact membership@highiqsociety.org for details.

One-year membership Five-year membership Lifetime membership
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