The International High IQ Society in the United Kingdom and Ireland

Why should you join IHIQS?

There are plenty of reasons to join the International High IQ Society from the United Kingdom and Ireland and have a great time. We offer a platform to present ideas, discuss them in a friendly environment, share professional knowledge and enjoy learning. Our members are adults from all walks of life who have very different backgrounds and personalities. We are open to individuals who have demonstrated an IQ in the top five percent of the population. Great Britain and Ireland are well-represented among our members.

The International High IQ Society has used the power of Online from the get-go. It was founded in New York in 2000, but the same year, it had to adopt its current name because so many people from elsewhere signed up, among them many British and Irish members. The high IQ societies as a concept started in the United Kingdom with British Mensa being established in the 1940s, yet the International High IQ Society offers a new, internationally interconnected experience in which it’s very easy to get in touch with members from all over the world.

When to join:

  • If you are looking for a positive, engaging vibe based on shared interests without banter.

  • If you are looking for deep and inspiring conversations about a wide variety of topics.

  • If you want to be part of an internationally interconnected community for smart people from all over the world.

  • If you have questions about and want to enhance your career.

  • If you want to learn from members who are subject matter experts.

  • If you feel different or alone and need more social support.

  • If you are disillusioned with or anxious about tedious sign-up procedures.

  • If you are looking for a high IQ society that values a high EQ too.

What you get

  • Digital Membership Certificate | Sent to you within the quarter following full membership payment.

  • Lifetime Access to our Member Community and Directory | A lively, thriving community of highly intelligent people from all over the world. No ads, 100% IHIQS. There’s plenty of room to share what you’re up to on your personal Member Profile. Our online community can only be accessed and seen by full members.

  • A welcoming living room | Enter our Living Room Area and get started in Your High IQ Life. Find the IHIQS Safe Space just around the corner. Also find one another when Parenting the next generation.

  • Access to numerous interest hubs | Join 5 and become a Renaissance Person: the IHIQS Art & Creativity hub, the IHIQS Reading & Writing hub, the IHIQS Science hub, the IHIQS IT hub, the IHIQS Puzzle & Test hub, the IHIQS Sports & Outdoor hub, the IHIQS DIY hub, the IHIQS Advanced Mathematics hub, the IHIQS Psychology hub, the IHIQS History hub, the IHIQS Pet hub.

  • Your neighborhood | Join IHIQS Great Britain & Ireland and start exchanging with members from England, Scotland, Wales, Northern Ireland, Ireland, the Isle of Man and Guernsey.

  • Specific hubs | The selective IHIQS LGBTQ+ hub (motivation required) and the Highway with the IHIQS Roadhouse and a hub for Interreligious & Spiritual dialogue offer a great experience for specific groups of members.

  • Premium packages | For additional fees: The IHIQS Gifted & Sensitive hub and The IHIQS Neurodiversity hub; custom designed, printed, signed and framed member certificates; merchandise from our store. These can be subscribed to/ordered in our Member Community. Most merchandise from the store is produced in Europe; which makes shipping easy.

  • Live chats | The IHIQS Gifted & Sensitive hub and The IHIQS Neurodiversity hub offer live chats. The IHIQS Puzzle & Test hub frequently hosts trivia events.

  • Option to facilitate live gatherings | If you want to host a live gathering in a major British city, you can always reach out to set up a local gathering.

Member representation in Great Britain and Ireland

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Member density per country

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British & Irish members
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What British & Irish members say about the International High IQ Society

You’re never going to get bored being an IHIQS member

I’ve been very welcomed into the community. The quiz is good fun, though it’s hard to win, as you can imagine. You’re never going to get bored being a member, as there are so many different areas to explore, and members are always putting things of interest in chat rooms for other members to look at. It’s hard to believe that you couldn’t find something of interest here. The members are all friendly, from what I have seen. Some members helped me find something out in mathematics and explained it to me, which was nice.

Gary Craven, England
Member

A whole new network of free thinkers

The International High IQ Society has been a great theatre of ideas for me. It opened up a whole new network of free thinkers to me. My biases have been challenged and it’s very enjoyable to have an intellectual conversation with a range of people from all over the planet. I always enjoy engaging with IHIQS members.

Samuel Mack-Poole, England
Director of Humanities and Social Sciences

How to join the International High IQ Society in Great Britain and Ireland

How can you join the International High IQ Society? You should be at least 18 years of age. You should submit evidence of a >95th percentile IQ. Upon joining, you should adhere to our community guidelines.

  • Option 1: Our online, self-administered test: the 123Test Culture Fair intelligence test
  • Option 2: Qualifying supervised tests, such as the Wechsler Adult Intelligence Scales (WAIS), Woodcock-Johnson Tests of Cognitive Abilities, Stanford-Binet Intelligence Scales, Raven’s Progressive Matrices, Miller Analogies Test, or Cattell Culture Fair Test
  • Option 3: Memberships of other high IQ societies: British Mensa, Irish Mensa, Intertel in the United Kingdom & Ireland, the Triple Nine Society in the United Kingdom, the International Society for Philosophical Enquiry in the United Kingdom & Ireland
  • Option 4: Giftedness Assessments