How many employees work at Mensa International?

Mensa International Ltd. has approximately 221 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Mensa International’s total headcount has grown 15.5% from 192 employees in 2023 to 221 in 2026.

Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published August 2026

About Mensa International’s Workforce

Mensa International Ltd. is a Professional Development Services company that employs 221 people worldwide as of March 2026. It is the 5th-largest by headcount among its peers. Founded in 1946, the company is headquartered in Grantham, United Kingdom.

Mensa International's workforce has grown 15.5% from 2023 to 2026, though it is down 4.0% year over year in 2026. It fell to a low of 184 in 2023 Q4 before recovering. Its workforce is concentrated most in Southern Europe (17.1%), followed by South Asia (14.4%) and Northern Europe (14.0%).

Mensa International's functional groups are Finance and Operations (53.3%), Engineering (25.3%), and Sales and Marketing (21.4%), with Sales and Marketing growing fastest (up 8.6%). The average salary is $52,127, ranging from a median of $80,000 in Northern Europe to $9,000 in South Asia, down 2.5% year over year in 2026.

Overall employee sentiment is neutral and broadly stable.

Sourced from Revelio Labs workforce data.

Headquarters
Grantham, United Kingdom
Founded
1946
Industry
Professional Development Services
Employees
221
YoY
-4.0% (+18)

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Mensa International Annual Employee Count (2023-2026)

Interactive chart of Mensa International annual worldwide employee count from 2023 to 2026.
  • Mensa International had 221 employees in 2026, a 4.0% decline (+18) from 2025.
  • Mensa International had 216 employees in 2025, a 3.9% decline (-1) from 2024.
  • Mensa International had 217 employees in 2024, a 10.5% decline (+33) from 2023.
  • Mensa International had 184 employees in 2023, a 17.5% decline (-19) from 2022.

Mensa International's total workforce has grown from 192 employees in 2023 to 221 in 2026.

Mensa International Ltd. quarterly employee count

YearQtrEmployeesYoY ChangeYoY %
2026Q1221+18-4.0%
2025Q4216-1-3.9%
2025Q3215+0-4.4%
2025Q2208+15+0.2%
2025Q1203+7-11.0%
2024Q4217+33-10.5%
2024Q3215+28-10.3%
2024Q2193+1-19.7%
2024Q1196+0-17.3%
2023Q4184-19-17.5%
2023Q3187-20-20.9%
2023Q2192+12-15.7%

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Mensa International Employee Count by Region (2026)

Southern Europe accounts for the largest share of Mensa International's global workforce with approximately 17% of total employees, followed by South Asia and Northern Europe.

Mensa International employees by region

RegionEmployees% of Total
Southern Europe3717.1%
South Asia3114.4%
Northern Europe3014.0%
Eastern Europe2511.4%
North America219.9%
Western Europe188.2%
South America167.6%
East Asia167.2%
Southeast Asia73.4%
Pacific Islands73.2%

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Mensa International Employee Count by Department (2026)

Mensa International's employee groups are Finance and Operations (53.3%), Engineering (25.3%), and Sales and Marketing (21.4%).

Mensa International employees by department

DepartmentEmployees% of Total
Finance and Operations11653.3%
Engineering5525.3%
Sales and Marketing4621.4%

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Mensa International Employee Salary by Region (2026)

Mensa International's average employee salary is $52,127 globally. Employees in Northern Europe receive the highest compensation, with median pay approximately 1.5x the global average. Pay is lowest in South Asia, at a median of $9,000.

Mensa International median employee salary by region (USD)

RegionMedian Salary
Northern Europe$80,000
North America$80,000
Western Europe$67,000
Pacific Islands$58,000
Southern Europe$44,000
Eastern Europe$37,000
East Asia$33,000
Sub-Saharan Africa$33,000
Southeast Asia$30,000
South America$16,000
South Asia$9,000

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Mensa International Employee Sentiment (2026)

Revelio Labs tracks employee sentiment across Mensa International's workforce based on public professional data. Overall sentiment is neutral and has held steady year over year in 2026.

Overall

NegativePositive

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Frequently Asked Questions About Mensa International

How fast is Mensa International growing?
In 2026, Mensa International's headcount shrank 4.0% to 221 employees, up from 203 in 2025.
See the full headcount history
Where are Mensa International employees located?
Most Mensa International employees are based in Southern Europe (17.1% of headcount), followed by South Asia and Northern Europe.
Explore where the workforce is based
What is the average salary at Mensa International?
The average employee salary at Mensa International is approximately $52.1k per year.
Analyze the salary distribution
When was Mensa International founded and where is it headquartered?
Mensa International was founded in 1946 and is headquartered in Grantham, United Kingdom.
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