r/mensa↗
Mensa
Welcome to the Mensa Reddit community, where people from all walks of life are welcome to converse about anything relating to living beyond the 98th percentile. Reading our rules is mandatory, and your questions may be answered in our wiki. Trolls will be banned. Posts and comments that make personal attacks will be removed.
50k subscribers124 posts / mo in Sep 2026 (incl. ~1% by known bots)103 authors / mosince 2008
r/mensa has 50k members (+24% over the last 12 months). It gets about 124 posts a month from 103 people. Top topics: IQ Tests & Intelligence, IQ Discussions and Puzzle Solving Adventures.
When to post on r/mensa
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How r/mensa has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/mensa
Top topics
Share of the subreddit's posts
- IQ Tests & Intelligence1.9%
- IQ Discussions0.3%
- Puzzle Solving Adventures0.3%
- High IQ Individuals0.3%
- Test Reviews & Results0.3%
Brands people mention
Most-mentioned brands and sites, last 12 months
- ScienceDirect
- Chess
- cambridge.org
- Substack
- Merriam-Webster
Everything else about r/mensa
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research