What Is Mensa? Requirements, Benefits & How to

Mensa is the world's oldest and largest high-IQ society, founded in 1946. With over 150,000 members across 100+ countries, it's the most prestigious organization for people in the top 2% of intelligence. But what does membership really mean, and is it worth joining?

What Is Mensa?

Quick Facts

Founded: 1946 in Oxford, England
Requirement: Top 2% of population (IQ 130+)
Members: 150,000+ worldwide
Countries: 100+ national chapters
Purpose: Identify and foster human intelligence for humanity's benefit
Name origin: Latin for "table" (round table, equality)

The Three Purposes of Mensa

Identify and foster intelligence: Provide environment for intellectual exchange
Research intelligence: Support scientific study of human intelligence
Social environment: Create community for highly intelligent people

Membership Requirements

IQ Score Requirement

Top 2% Threshold

Minimum IQ: 130 (98th percentile)
What this means: Smarter than 98 out of 100 people
Rarity: Only 1 in 50 people qualify
Standard deviation: 2 SD above mean (100)

Two Ways to Join

Option 1: Take the Mensa Admission Test

Cost: $40-$80 (varies by country)
Format: Supervised, proctored test at testing center
Duration: 1-2 hours
Tests used: Mensa Admission Test, Mensa Wonderlic
Retake policy: Can retake after waiting period (varies by country)

Option 2: Submit Prior Test Scores

Mensa accepts scores from over 200 standardized tests. You must have taken the test before applying to Mensa (no taking tests specifically to join).

Test	Qualifying Score	Notes
WAIS-IV	130+ (Full Scale IQ)	Most common professional IQ test
Stanford-Binet 5	132+	Professional IQ test
SAT (pre-1995)	1250+ (combined)	Old SAT only, not current version
GRE (pre-2011)	1250+ (V+Q)	Old GRE format
LSAT	167+	Law school admission test
Miller Analogies	472+	Graduate school test

Important: Mensa does NOT accept online IQ tests, including ours. You must take either the official Mensa test or a professionally administered standardized test.

The Mensa Admission Test

What to Expect

Location: Testing centers, libraries, or Mensa events
Scheduling: Tests offered monthly in most areas
Format: Paper-based, multiple choice
Supervision: Proctored by Mensa volunteers
Time limit: Strictly enforced

Test Content

Verbal reasoning: Vocabulary, analogies, verbal logic
Quantitative reasoning: Math, number sequences, patterns
Spatial reasoning: Visual patterns, mental rotation
Logical reasoning: Deduction, inference, problem-solving

Scoring and Results

Pass/fail only: You don't get your exact IQ score
Results: Mailed within 2-4 weeks
Pass rate: Approximately 15-20% of test-takers
If you pass: Invited to join, pay membership fee
If you fail: Can retake after waiting period

Membership Benefits

Social and Networking

Local groups: Monthly meetups, game nights, discussions
Special Interest Groups (SIGs): 200+ groups (science, arts, gaming, etc.)
Annual gatherings: Regional and national conventions
International network: Connect with members worldwide
Online community: Forums, social media groups

Publications and Resources

Mensa Bulletin: Monthly magazine
Local newsletters: Chapter-specific publications
Online resources: Articles, puzzles, discussions
Research access: Intelligence research publications

Discounts and Perks

Insurance: Group rates on auto, home, life insurance
Travel: Discounts on hotels, car rentals
Shopping: Member discounts at various retailers
Services: Financial planning, legal services

Intellectual Stimulation

Lectures and talks: Guest speakers, expert presentations
Debates and discussions: Intellectual discourse
Competitions: Puzzles, games, trivia contests
Collaborative projects: Research, community initiatives

Membership Costs

Fee Type	Cost (US)	Notes
Testing Fee	$40-$80	One-time, varies by location
Application Fee	$0-$40	If submitting prior scores
Annual Dues	$79	National membership
Local Dues	$0-$30	Optional, varies by chapter
Lifetime	$1,200	One-time payment option

How to Join: Step-by-Step

Step 1: Determine Eligibility

Check if you have qualifying test scores from the accepted list. If not, you'll need to take the Mensa Admission Test.

Step 2: Find a Test Location

Visit your national Mensa website to find testing dates and locations near you. Tests are typically offered monthly.

Step 3: Register and Pay

Step 4: Take the Test

Arrive on time, bring pencils and ID. The test takes 1-2 hours. No calculators or reference materials allowed.

Step 5: Wait for Results

Results mailed within 2-4 weeks. You'll receive pass/fail notification, not your exact score.

Step 6: Join (If You Pass)

If you qualify, you'll receive membership invitation. Pay annual dues ($79) to activate membership.

Who Joins Mensa?

Demographics

Age range: 2 to 100+ (yes, children can join)
Gender: Roughly 60% male, 40% female
Occupations: All fields (engineers, teachers, artists, students, retirees)
Education: Varies widely (high school to PhD)
Income: All levels (IQ ≠ wealth)

Famous Mensa Members

Isaac Asimov: Science fiction author
Geena Davis: Actress
Steve Martin: Comedian, actor
Nolan Gould: Actor (Modern Family)
Asia Carrera: Former adult film actress, now software engineer

Is Mensa Worth It?

Pros

Meet like-minded people who share your intellectual interests

Intellectual stimulation through discussions, lectures, events

Networking opportunities across diverse fields

Sense of belonging and validation

Access to exclusive resources and publications

Discounts on insurance, travel, services

Cons

Cost: $79/year is significant for some
Elitism perception: Some view it as pretentious
Variable quality: Local groups vary in activity and engagement
Not career-focused: Doesn't directly help professionally
Time commitment: Benefits require active participation

Who Should Join?

Mensa is worth it if you:

Struggle to find intellectual peers in your daily life
Enjoy intellectual discussions and debates
Want to meet diverse, intelligent people
Value the validation of being in the top 2%
Have time to participate in events and activities

Alternatives to Mensa

Other High-IQ Societies

Intertel: Top 1% (IQ 135+)
Triple Nine Society: Top 0.1% (IQ 146+)
Prometheus Society: Top 0.003% (IQ 160+)
Mega Society: Top 0.0001% (IQ 176+)

Free Alternatives

Online communities: Reddit, Discord servers for gifted individuals
Meetup groups: Intellectual discussion groups
University clubs: Philosophy, debate, science clubs
Professional organizations: Field-specific intellectual communities

Frequently Asked Questions

What IQ score do you need for Mensa?

You need an IQ of 130 or higher, which places you in the top 2% of the population (98th percentile). This is 2 standard deviations above the mean of 100. Only about 1 in 50 people qualify.

Can I retake the Mensa test if I fail?

Yes, but there's a waiting period that varies by country (typically 6-12 months). You can take the test as many times as needed, but must pay the testing fee each time. Some people pass on their second or third attempt.

Do I get my IQ score if I take the Mensa test?

No. Mensa only tells you pass or fail. If you want your exact IQ score, you need to take a professional IQ test (WAIS-IV, Stanford-Binet) administered by a psychologist, which costs $200-$500.

Is Mensa membership prestigious?

It depends on context. In intellectual circles, it's respected. In general society, reactions vary — some are impressed, others view it as elitist. It's more about personal fulfillment than external prestige. Don't join for resume padding.

Can children join Mensa?

Yes. Mensa accepts members as young as 2 years old (though most child members are 10+). Children must take age-appropriate IQ tests administered by psychologists. There are special programs and events for young Mensans.

Conclusion

Mensa is the world's most famous high-IQ society, requiring membership in the top 2% (IQ 130+). You can join by taking the Mensa Admission Test ($40-$80) or submitting qualifying scores from accepted standardized tests. Annual membership costs $79.

Benefits include social networking with intelligent peers, intellectual stimulation, publications, and various discounts. Whether it's worth joining depends on your goals — it's valuable if you seek intellectual community and validation, but not essential for career success or personal development.

If you're curious about qualifying, start by testing your IQ to see if you're in the ballpark. Then decide if the community and benefits align with your interests and budget.