International High IQ Society

Welcome to IHIQS

An independent organization of individuals with a demonstrated IQ in the top 5% of the population.

How to join

You are welcome to join IHIQS only after your request is verified by using our ihiqs.org signup form and uploading proof of an IQ in the top 5% of the population. Please do so first. Only verified members will receive an invitation to join this community and pay its membership fee.

Member community

Meet members from all over the world and unite based on shared languages, countries, professions and interests.


The International High IQ Society was founded in New York in 2000. Soon after, we became a worldwide community and now have thousands of members from all over the world.

Keep Up With IHIQS On The Go
IHIQS is powered by Mighty Networks
Phone numbers from outside the United States may need to use a prefix (e.g. +44 XX XXXX XXXX). Available on iOS and Android. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.