American Mensa Ltd

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To identify, foster, stimulate, research and support human intelligence to benefit humanity.

Form 990 Part I, line 1, FY2025. The organization’s own words, as filed with the IRS. Find it at the IRS (EIN 11-1986754) · Dispute this line
501(c)(4) social-welfare organization; gifts are not tax-deductible as charitable contributions.
77¢ of each $1 spent went to programs.
Run by 2,000 volunteers and 22 employees.
Mission: Form 990 Part I, line 1 · Status: IRS Pub. 78 · Programs: Part IX · People: Part I, lines 5–6

Before you give

FY2025 · Form 990Independent: from IRS data, not the org
Download 990
IRS status
501(c)(4)
not on the IRS revocation list
Listed by the IRS and not on the revocation list.
IRS BMF · Auto-Revocation List
Tax-deductible gifts
No
Donations are not tax-deductible
The IRS does not list gifts to it as deductible.
IRS Pub. 78 · IRS BMF
Latest return
FY2025
latest Form 990
The latest return is for FY2025, 1 tax year back.
IRS e-file · Filing history
Surplus or deficit
2 of 5
filings with a surplus
Average surplus $44K a year · 0.9% of revenue · last 5 filings
A surplus in 2 of the last 5 filings.
Pt I · Ln 19 · 5 filings
Spent on programs
77%
of spending
77% of spending went to programs.
Pt IX · Ln 25 · col B
Pay to officers and key staff
$337K
to officers and key staff · 6% of spending
Pay to officers and key staff is 6% of spending.
Part VII, Section A
4.2 mo
of spending, in cash
Plus $8.5M in investments, Pt X · Ln 11–13
4.2 months of spending in cash.
Pt X · Ln 1–2 · Pt I · Ln 18
Named funders
1
named funder · $8K
1 funder names it on their filings.
Funders’ Sch. I, 990-PF
Liabilities
$15.2M
113% of total assets
Liabilities are 113% of assets.
Pt X · Ln 26
Independent board members
7
of 7 voting members
7 of 7 voting members are independent.
Pt VI · Ln 1a–1b
Revenue
$5.2M
+2% vs prior year
Spent
$5.3M
To programs
77%
Net assets
−$1.8M
By yearFY2021–FY2025
Revenue
$5.2M
FY2025▲ +2%
Tap a bar for its year
Revenue by fiscal year
FY2021$4.2M
FY2022$4.7M
FY2023$4.7M
FY2024$5.1M
FY2025$5.2M
Expenses
$5.3M
FY2025▲ +2%
Tap a bar for its year
Expenses by fiscal year
FY2021$3.8M
FY2022$4.4M
FY2023$4.9M
FY2024$5.2M
FY2025$5.3M
Net assets
−$1.8M
FY2025▼ -16%
Tap a bar for its year
Net assets by fiscal year
FY2021−$1.2M
FY2022−$1.2M
FY2023−$1.8M
FY2024−$1.6M
FY2025−$1.8M

From the FY2025 Form 990 (year ending March 2025) · figures checked against the IRS filing · see the original

Is it real?

Yes. Never revoked by the IRS. Latest filing on record: FY2025. IRS ruling in May 1965.

IRS Pub. 78 · IRS Auto-Revocation List · IRS Business Master File

Where the money goes

77 cents of each dollar spent went to programs.

Program services 77% · $4.1M Management & general 19% · $1.0M Fundraising 4% · $196K

Form 990 Part IX, line 25, columns B–D. Every line is in By the numbers.

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Who runs it and what they're paid

33 people listed on the 990; $337K paid to officers and key staff (Part VII, Section A).

Part VII, Section A · reportable compensation
Executive Director Thru 7/24
$122,945Pt VII · Sec A
Director of Finance
$111,625Pt VII · Sec A
Director of Membership & Technology
$101,971Pt VII · Sec A
Rvc;2nd Vc;1st Vc Thru 3/25
$0Pt VII · Sec A
2nd Vice Chair
$0Pt VII · Sec A
Secretary 07/24-03/25
$0Pt VII · Sec A
Treasurer 04/24-06/24
$0Pt VII · Sec A
Treasurer 07/24-03/25
$0Pt VII · Sec A

Compensation history total reportable pay by year · 3 named individuals · Part VII

NameFY2025FY2024FY2023FY2022FY2021
Trevor Mitchell$122,945$161,919$153,277$134,467$132,994
David Peery$111,625————
Timothy Brooks$101,971————

Total reportable compensation (Form 990 Part VII column D / Schedule J column E) by filing year, matched by name within this organization. The Schedule J base / bonus / deferred breakdown is not parsed into this dataset.

See American Mensa Ltd executive salaries →

Questions the 990 asks

The form asks each of these directly. These are the filed answers.

  • Family or business ties among officersPt VI · Ln 2No
  • Top official's pay set by an independent reviewPt VI · Ln 15aYes

Programs and updates

Supports and researches human intelligence to benefit humanity.

Questions for American Mensa Ltd

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3 programs · $3.6M · in their own filed words · FY2024
01

Membership

Membership was 46,145 at the end of the year. Within the organization,more than 130 special interest groups, 122 chapters, and numerous online communities provide educational and social experiences for Mensa members.

Form 990 Part III, line 4, FY2024. The organization’s own words, as filed with the IRS. Find it at the IRS (EIN 11-1986754) · Dispute this line
$1.7Mprogram expense
02

Local Group Support

As the key connection between our members and the organization, our local chapters provide educational and social events, as well as providing admissions testing on the organization's behalf. Many local chapters support their communities with charitable and social work.

Form 990 Part III, line 4, FY2024. The organization’s own words, as filed with the IRS. Find it at the IRS (EIN 11-1986754) · Dispute this line
$1.1Mprogram expense
03

Publications

The Mensa bulletin provides members with informational and intriguing articles, as well as ways to interact with other members via polls and other feedback. The Mensa bulletin is generated 10 times a year in both print and electronic formats for the members.

Form 990 Part III, line 4, FY2024. The organization’s own words, as filed with the IRS. Find it at the IRS (EIN 11-1986754) · Dispute this line
$851Kprogram expense

Funders

Who pays for it.

From grant filings on record. Receipts are incomplete: individual donors are never listed.

Grants

Schedule I · received and paid
Grants received · FY2024
Total grants receivedfrom 1 funder$8K
Grants paid · 5 grants · $93K · 2020–2024

By the numbers

The FY2025 990, line by line.

1The main four
Money inPt VIII
$5.2M
Ln 12
Fees for servicesLn 2g$4.0M
Other incomeLn 4–11$739K
Investment incomeLn 3$361K
Money outPt IX
$5.3M
Ln 25
Programscol B$4.1M
Managementcol C$1.0M
Fundraisingcol D$196K
Owns and owesPt X
−$1.8M
net assets · Ln 32
Cash and savingsLn 1–2$1.9M
Total assetsLn 16$13.4M
LiabilitiesLn 26$15.2M
PeoplePt VI, VII
33
listed · VII A
PaidVII A3
Voting boardVI 1a7
IndependentVI 1b7
2In more detail
Revenue in detailPt VIII
Gifts and grantsLn 1h$22K
Fees for servicesLn 2g$4.0M
Investment incomeLn 3$361K
Other incomeLn 4–11$739K
Gains on assetsLn 7$155K
Total revenueLn 12$5.2M
Assets in detailPt X, end of year
CashLn 1$557K
SavingsLn 2$1.3M
Cash and savings togetherLn 1–2$1.9M
Accounts receivableLn 4$85K
Inventories for sale or useLn 8$142K
Prepaid expenses and deferred chargesLn 9$293K
Land, buildings, equipmentLn 10c$112K
InvestmentsLn 11–13$8.5M
Other assetsLn 15$2.3M
Total assetsLn 16$13.4M
LiabilitiesLn 26$15.2M
Net assetsLn 32−$1.8M
OperationsPt I, VI
EmployeesI 522
VolunteersI 62,000
Fiscal year endsHeaderMarch
Conflict-of-interest policyVI 12aYes
Whistleblower policyVI 13Yes
Records policyVI 14Yes
3More from this return
Investment feesPt IX, Sch D
Investment fees, as reportedPt IX 11f$28K
Share of the $8.5M endowmentSch D 1g0.33%
Typical, median of 2,202 orgs0.44%
EndowmentSch D · Pt V
LineFY25FY24FY23FY22FY21
End of yearLn 1g$8.5M$8.1M$7.3M$7.0M$5.5M
AddedLn 1b$727K$1.5M$5.5M
SpentLn 1d–1f$28K$25K$24K$23K$18K
4Year over year
Balance sheet, start vs end of yearPt X · col A, B
LineStart FY25End FY25
Cash and savingsLn 1–2$1.7M$1.9M
InvestmentsLn 11–13$8.1M$8.5M
Land, buildings, equipmentLn 10c$126K$112K
Total assetsLn 16$13.0M$13.4M
LiabilitiesLn 26$14.6M$15.2M
Net assetsLn 32−$1.6M−$1.8M
5Every line
Statement of functional expensesPt IX · every line
LineTotalProgramsManagementFundraising
Grants to domestic organizationsLn 1$10K$10K
Pay of officers and key staff (Part IX, line 5)Ln 5$73K$51K$19K$3K
Other salaries and wagesLn 7$1.3M$918K$342K$57K
Pension plan contributionsLn 8$46K$32K$12K$2K
Other employee benefitsLn 9$123K$86K$32K$5K
Payroll taxesLn 10$144K$100K$37K$6K
Legal feesLn 11b$10K$7K$3K$365
Accounting feesLn 11c$36K$36K
Investment management feesLn 11f$28K$28K
Other fees for servicesLn 11g$578K$425K$127K$25K
Advertising and promotionLn 12$65K$63K$95$2K
Office expensesLn 13$265K$219K$46K$689
Information technologyLn 14$203K$1K$202K$77
OccupancyLn 16$162K$111K$44K$7K
TravelLn 17$116K$43K$4K$69K
Conferences, conventions and meetingsLn 19$775K$775K
Payments to affiliatesLn 21$434K$434K
Depreciation, depletion and amortizationLn 22$29K$20K$8K$1K
InsuranceLn 23$160K$137K$20K$3K
Other expenses (24a–d)Ln 24$715K$664K$38K$13K
All other expensesLn 24e$10K$7K$3K$451
Total functional expensesLn 25$5.3M$4.1M$1.0M$196K

Filing history

YearMoney inMoney outIn minus outNet assetsDownload
FY2025 Latest ViewingFiled with the IRS Dec 23, 2025 $5.2M$5.3M−$145K−$1.8M 990 PDF
FY2024Filed with the IRS Feb 11, 2025 $5.1M$5.2M−$131K−$1.6M 990 PDF
FY2023Filed with the IRS Feb 9, 2024 $4.7M$4.9M−$200K−$1.8M 990 PDF
FY2022Filed with the IRS Feb 14, 2023 $4.7M$4.4M$320K−$1.2M 990 PDF
FY2021Filed with the IRS Feb 15, 2022 $4.2M$3.8M$377K−$1.2M 990 PDF

Schedules filed Part IV

A · Public support D · Assets and endowments I · Grants O · Explanations
See the full FY2025 990
Part I · Summary $5,153,487 revenue, 12 lines filed
I-8 Contributions and grantsPrior year $16,238$21,894
I-9 Program service revenuePrior year $3,994,006$4,031,716
I-10 Investment incomePrior year $429,714$515,796
I-11 Other revenuePrior year $617,396$584,081
I-12 Total revenuePrior year $5,057,354$5,153,487
I-13 Grants and similar amounts paidPrior year $10,000$10,000
I-14 Benefits paid to membersPrior year $0$0
I-15 Salaries and benefitsPrior year $1,774,609$1,700,815
I-16a Professional fundraising feesPrior year $0$0
I-17 Other expensesPrior year $3,404,222$3,587,806
I-18 Total expensesPrior year $5,188,831$5,298,621
I-19 Revenue less expensesPrior year −$131,477−$145,134
Part VI · Governance 7 of 7 board members independent, no flags
VI-1a Voting members of the governing body7
VI-1b Independent voting members7
VI-2 Family or business relationship among officers or directorsNo
VI-12a Written conflict of interest policyYes
VI-13 Written whistleblower policyYes
VI-14 Document retention and destruction policyYes
VI-15a Process for setting top official's payYes
Part VIII · Statement of revenue $5,153,487 across 9 lines filed
Lines not itemized here account for $88,022 of total revenue; see the IRS return.
VIII-1d Related organizations$4,000
VIII-1f All other contributions, gifts and grants$17,894
VIII-1h Total contributions, gifts and grants$21,894
VIII-2a-f Program service revenue, itemized rows (sum of 2a–2f as filed)Related to mission $4,015,539 · Unrelated business $16,177$4,031,716
VIII-3 Investment incomeExcluded from tax $360,885$360,885
VIII-5 RoyaltiesUnrelated business $15,000 · Excluded from tax $52,179$67,179
VIII-7 Net gain or loss on sales of assetsExcluded from tax $154,911$154,911
VIII-11a-d Other revenue, itemized rows (sum of 11a–11d as filed)Excluded from tax $428,880$428,880
VIII-12 Total revenueRelated to mission $4,015,539 · Unrelated business $119,199 · Excluded from tax $996,855$5,153,487
Part IX · Statement of functional expenses $5,298,621 across 21 lines filed
IX-1 Grants to domestic organizationsPrograms $10,000$10,000
IX-5 Pay of officers and key staff (Part IX, line 5)Programs $50,618 · Management $18,847 · Fundraising $3,136$72,601
IX-7 Other salaries and wagesPrograms $917,555 · Management $341,716 · Fundraising $56,851$1,316,122
IX-8 Pension plan contributionsPrograms $31,928 · Management $11,891 · Fundraising $1,979$45,798
IX-9 Other employee benefitsPrograms $85,502 · Management $31,844 · Fundraising $5,298$122,644
IX-10 Payroll taxesPrograms $100,147 · Management $37,298 · Fundraising $6,205$143,650
IX-11b Legal feesPrograms $6,646 · Management $3,428 · Fundraising $365$10,439
IX-11c Accounting feesManagement $35,576$35,576
IX-11f Investment management feesManagement $27,826$27,826
IX-11g Other fees for servicesPrograms $425,101 · Management $127,494 · Fundraising $25,207$577,802
IX-12 Advertising and promotionPrograms $62,950 · Management $95 · Fundraising $2,146$65,191
IX-13 Office expensesPrograms $218,530 · Management $46,109 · Fundraising $689$265,328
IX-14 Information technologyPrograms $1,238 · Management $202,103 · Fundraising $77$203,418
IX-16 OccupancyPrograms $111,274 · Management $43,952 · Fundraising $6,894$162,120
IX-17 TravelPrograms $43,423 · Management $3,859 · Fundraising $68,713$115,995
IX-19 Conferences, conventions and meetingsPrograms $774,995$774,995
IX-21 Payments to affiliatesPrograms $434,092$434,092
IX-22 Depreciation, depletion and amortizationPrograms $20,318 · Management $7,699 · Fundraising $1,259$29,276
IX-23 InsurancePrograms $137,231 · Management $19,809 · Fundraising $3,239$160,279
IX-24 Other expenses (24a–d)Programs $663,708 · Management $38,111 · Fundraising $13,168$714,987
IX-24e All other expensesPrograms $7,275 · Management $2,756 · Fundraising $451$10,482
IX-25 Total functional expensesPrograms $4,102,531 · Management $1,000,413 · Fundraising $195,677$5,298,621
Part X · Balance sheet $13,389,688 assets, 16 lines filed
X-1 Cash, non-interest-bearingStart of year $612,146$556,707
X-2 Savings and temporary cash investmentsStart of year $1,134,305$1,319,388
X-4 Accounts receivableStart of year $86,915$85,364
X-8 Inventories for sale or useStart of year $134,815$142,459
X-9 Prepaid expenses and deferred chargesStart of year $309,068$292,854
X-10c Land, buildings and equipment, netStart of year $126,411$111,676
X-11 Publicly traded securitiesStart of year $8,135,559$8,539,412
X-15 Other assetsStart of year $2,510,067$2,341,828
X-16 Total assetsStart of year $13,049,286$13,389,688
X-17 Accounts payable and accrued expensesStart of year $367,049$451,370
X-19 Deferred revenueStart of year $11,763,393$12,393,725
X-25 Other liabilitiesStart of year $2,473,827$2,347,055
X-26 Total liabilitiesStart of year $14,604,269$15,192,150
X-27 Net assets without donor restrictionsStart of year −$1,554,983−$1,802,462
X-32 Total net assets or fund balancesStart of year −$1,554,983−$1,802,462
X-33 Total liabilities and net assetsStart of year $13,049,286$13,389,688
Part XI · Reconciliation of net assets −$1,802,462 net assets at year end
XI-1 Total revenue$5,153,487
XI-2 Total expenses$5,298,621
XI-3 Revenue less expenses−$145,134
XI-4 Net assets at start of year−$1,554,983
XI-5 Net unrealized gains (losses) on investments−$28,604
XI-9 Other changes in net assets−$73,741
XI-10 Net assets at end of year−$1,802,462

Form 990 e-file FY2025 from the IRS (about our sources) · Classification, formation year and address from the IRS Business Master File

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