Organization
Mensa International
Largest high-IQ society; membership requires scores at or above the 98th percentile on approved supervised tests.
Reviewed by: Scientific Review Team · Last reviewed: July 2026
Key facts
| Attribute | Detail |
|---|---|
| Founded | 1946 (UK origin) |
| Membership criterion | Top 2% on approved test |
| Typical IQ equivalent | ~130+ on SD-15 scales (test-dependent) |
| Scope | National chapters worldwide |
Related entities
Research & guides
Knowledge graph
- term · related to
Percentile - entity · related to
Raven's Progressive Matrices - organization · related to
Mensa International - tool · related to
IQ Percentile Calculator
See also
FAQ
Can an online test qualify me for Mensa?
Mensa accepts documented scores from approved proctored tests — not typical free online quizzes.
Scientific sources
- Mensa International — official membership information.