36 Types Of Nonprofit Organizations That You Should Know About

Starting a nonprofit usually begins with a big idea: helping people, fixing a problem, doing some real good. The reality people don’t account for comes later: paperwork, tax codes, and a very real question: Do types of nonprofits matter that much?

Before you file anything, it’s worth understanding the different types of nonprofit organizations and how each one works. 

From funding and donations to lobbying rules and compliance, your structure shapes everything. Let’s explore all types of nonprofits out there!

What is a nonprofit…legally?

Everyone already knows what a nonprofit is. You exist to do good, not make money. Simple, right?

Legally… not quite. Legally, most people mean tax-exempt status under a section of the Internal Revenue Code.

A nonprofit is an organization that’s formed for a defined purpose (like charity, education, religion, advocacy, or member benefit) and qualifies for tax-exempt status under a particular section of the Internal Revenue Code. That’s where the types of nonprofits come in.

Your IRS classification decides everything:

• Whether donations are tax-deductible
• How much (or if) you can lobby
• What grants you’re eligible for
• How strict your reporting and compliance rules are

And yes, there are 36+ federally recognized nonprofit types, not just the famous 501(c)(3).

Nonprofit vs not-for-profit in the U.S. (What the terms really mean)

In the U.S., ‘nonprofit’ usually refers to a legal entity formed under state law. ‘Not-for-profit’ is a term people use informally, and it is not a separate IRS classification.

For federal tax purposes, exemption is granted by the IRS under specific code sections such as 501(c)(3), 501(c)(4), and others. It is not automatic.

Explore nonprofit fundraising strategies and tips for every organization type

All 36 IRS-recognized nonprofit types: Quick overview

Note: The IRS recognizes many types of tax-exempt organizations under Section 501. Most new nonprofits will apply under 501(c)(3), 501(c)(4), 501(c)(6), or 501(c)(7). Other subsections exist for highly specialized or legacy purposes.

Charitable and public-benefit nonprofits

This is what most people mean when they say “nonprofit.” These organizations serve the public, rely heavily on donations and grants, and operate under the strictest IRS rules.

1. 501(c)(3) nonprofit organizations

If you picture a “classic” nonprofit, you’re probably thinking of a 501(c)(3). It’s the most common choice among the types of nonprofits because it allows organizations to receive tax-deductible donations and apply for grants.

Most organizations you’ll see on a 501 c 3 nonprofit organization list fall into familiar types of charity people already trust.

What qualifies as a 501(c)(3)?

Legally, a 501(c)(3) must be organized and operated exclusively for one or more IRS-recognized charitable purposes and must meet strict limits on lobbying and a prohibition on political campaign intervention. This structure spans many charity categories, including:

• Schools, colleges, and educational foundations
• Religious institutions like churches and temples
• Animal welfare and environmental nonprofits
• Elder care homes, food banks, and community charities

In return for tax benefits, the IRS places strict limits on lobbying and prohibits participation/intervention in political campaigns.

2. 501(d): Religious and apostolic associations

A 501(d) is a niche but important option within the types of nonprofits, especially for religious communities that actively run businesses as part of their mission.

Instead of fitting into the traditional charity model, a 501(d) is built for shared religious life and shared economics.

Check out 22 easy and affordable ideas for church fundraising

How does a 501(d) work?

• Operates commercial activities tied directly to a religious mission
• The organization itself is tax-exempt
• Income is passed through to members, not taxed at the organizational level
• Members report their pro-rata share of income on personal tax returns
• Profits are pooled into a community treasury, not paid out as dividends

Common examples include monasteries or religious communities running breweries, farms, bakeries, or craft businesses that support communal living.

501(c)(3) vs. 501(d): What’s the real difference?

Advocacy, political, and social welfare organizations

These are the types of nonprofits you choose when your mission isn’t just about helping on the side, it’s about changing things. Laws, policies, public opinion, elections.

3. 501(c)(4): Social welfare organizations

Think of a 501(c)(4) as the outspoken sibling of a 501(c)(3).

These organizations exist to benefit the public through advocacy, education, and social action — and unlike charities, they’re allowed to step into political conversations.

Why founders choose a 501(c)(4)

• Your mission requires lobbying or policy influence
• You want to organize communities around social causes
• Staying politically neutral would limit your impact

What makes a 501(c)(4) different from a 501(c)(3)

• Political lobbying engagement in some political activities is allowed
• Donations are not tax-deductible
• Heavier scrutiny around political activity
  

A common workaround:

Many large nonprofits run two entities side by side:

• A 501(c)(3) for charitable programs and fundraising
• A 501(c)(4) for advocacy and lobbying

This structure lets them raise tax-deductible funds and influence policy legally.

4. 527: Political organizations

A 527 organization exists primarily to influence elections, political campaigns, or ballot initiatives.

What is a 527 nonprofit organization used for?

• Supporting or opposing political candidates
• Running election campaigns
• Funding political action committees (PACs)

Examples include:

• Political parties
• Candidate campaign committees
• PACs and election-focused groups

Unlike 501(c)(3) charities, 527 organizations are created specifically for political activity and are subject to federal election and disclosure rules.

Find unique ideas for political fundraising

Quick comparison: 501(c)(3) vs 501(c)(4) vs 527

If 501(c)(3)s serve, and 501(c)(4)s advocate, 527s campaign.

Business, labor, and professional organizations

Nonprofits that exist to support professions, workers, or entire industries fall under a different set of types of nonprofits, where the focus is member benefit, not charity.

5. 501(c)(5): Labor, agricultural & horticultural organizations

A 501(c)(5) is built for representation. These organizations advocate for the interests of workers, farmers, and producers, often at scale.

What 501(c)(5) nonprofits do well

• Represent labor or agricultural interests
• Advocate for better working conditions or policies
• Support members through collective action
  

How does a 501(c)(5) work?

• Political advocacy is allowed if it supports the mission
• Donations are not tax-deductible
• Funding usually comes from membership dues

Common examples are labor unions, farm bureaus, and agricultural associations.

6. 501(c)(6): Business leagues and trade associations

If your nonprofit supports an industry or profession, this is likely your category. A 501(c)(6) exists to improve business conditions, not to generate profit.

When do founders choose a 501(c)(6)?

• Industry-wide advocacy
• Professional development and standards
• Networking, education, and research

How  501(c)(6) operate

• Funded mainly by membership dues
• Income must relate directly to the organization’s purpose
• Donations are not tax-deductible

Common examples include chambers of commerce, trade associations, and professional societies.

Quick comparison: 501(c)(5) vs 501(c)(6)

Social, fraternal, and member-based organizations

Some nonprofits aren’t built around public charity or advocacy at all. Instead, they exist to bring people together, support members, or preserve shared traditions. These types of nonprofits are community-driven and membership-focused, which is why their tax rules look very different.

7. 501(c)(7): Social and recreational clubs

A 501(c)(7) is what most people think of as a classic club. Its main purpose is social or recreational, not fundraising or public service.

What defines a 501(c)(7)

• Exists primarily for member enjoyment
• Activities are social, recreational, or leisure-based
• Funded mostly through membership fees

Important caveat:

Donors can give to a 501 (c)(3) charity affiliated with a club/fraternity foundation, but that’s a different legal entity.

Common examples include country clubs, hobby clubs, sports clubs, and alumni associations.

8. 501(c)(8): Fraternal beneficiary societies

These organizations mix social bonding with member benefits. A 501(c)(8) typically operates through a lodge system and provides insurance or financial support to its members.

What defines a 501(c)(8)?

• Organized around a fraternal structure
• Provides benefits like insurance or aid
• Charitable activities may exist, but member benefits come first

Common examples include fraternal orders offering life or health benefits.

9. 501(c)(10): Domestic fraternal societies

A 501(c)(10) looks similar to a (c)(8), but without the insurance piece.

How does a 501(c)(10) work?

• Operates under a lodge system
• Focuses on fellowship and charitable support
• Does not provide insurance or benefits

Common examples include fraternal lodges focused on community service and internal charity.

Quick comparison: Social and fraternal nonprofits

Employee, insurance, and benefit organizations

Some nonprofits exist for a very specific purpose: taking care of people financially. These types of nonprofits aren’t donor-driven or public-facing; they’re designed to manage benefits, insurance, or long-term security for specific groups of people.

10. 501(c)(9): Voluntary employees’ beneficiary associations

A 501(c)(9) is all about employee benefits. These organizations provide assets like health coverage, disability benefits, or other welfare plans for workers.

How does a 501(c)(9) work?

• Primarily tied to employers or labor groups
• Funded through employer and employee contributions
• Benefits are provided to members, not the general public
• Donations are not tax-deductible

11. 501(c)(11): Teachers’ Retirement Fund Associations

This category exists solely to manage retirement benefits for teachers.

What does a 501(c)(11) do?

• Collects and distributes retirement funds
• Operates as a tax-exempt pension manager
• Limited to education-sector beneficiaries

These organizations are tightly regulated and very narrow in scope.

Insurance and services-at-cost organizations

These types of nonprofits don’t run public programs or fundraising campaigns. They exist to solve very specific structural problems, which is why the IRS regulates them so tightly.

12. 501(c)(12): Benevolent life insurance and mutual service organizations

A 501(c)(12) nonprofit exists to provide services or insurance at cost to its members. To qualify, at least 85% of its income must come from member contributions.

Key notes:

• Not a public charity
• Donations are not tax-deductible
• Common in utility and mutual service setups

13. 501(c)(15): Mutual insurance companies

A 501(c)(15) applies to small, nonprofit mutual insurance companies that operate within strict IRS revenue limits. These organizations provide insurance coverage to members and exist solely to spread risk, not to generate profit.

Key notes:

• Member-focused, not public-facing
• Donations are not tax-deductible

Quick comparison: 501(c)(12) vs 501(c)(15)

14. 501(c)(26): State-sponsored health risk pools

This is a highly specific category. A 501(c)(26) nonprofit is created by a state to provide health insurance coverage to high-risk individuals who may struggle to get insured elsewhere.

Key notes:

• Rare and highly regulated
• Not a fundraising nonprofit

15. 501(c)(29): Qualified nonprofit health insurance issuers

A 501(c)(29) nonprofit was introduced under the Affordable Care Act. These organizations offer health insurance as nonprofit issuers.

Key notes:

• Formed under/through the CO-OP program (loans/repayable grants)
• Not eligible for tax-deductible donations

Financial, trust, and pension-related nonprofits

These nonprofits don’t look like charities at all. They exist to hold assets, manage funds, or distribute benefits, often on behalf of other organizations or specific worker groups.

16. 501(c)(1): Congressional-chartered organizations

A 501(c)(1) is a nonprofit created directly by a federal law. Its tax-exempt status comes from its congressional charter, not from applying to the IRS.

What defines a 501(c)(1)?

• Created by an act of Congress
• Serves public, financial, or national functions
• Automatically tax-exempt

Important caveat: These are not charities and don’t raise public donations.

Common examples include federal credit unions, Federal Reserve banks, and federal home loan banks.

17. 501(c)(2): Title-holding corporations for exempt organization

A 501(c)(2) exists purely to hold property or assets for another nonprofit. It must exist only to support another tax-exempt organization.

How does a 501(c)(2) organization work?

• Holds title to property (real estate, investments, etc.)
• Passes all income to a parent nonprofit
• Does not run programs or activities

Common examples include property-holding entities for charities, foundations, or religious organizations.

18. 501(c)(27): State-sponsored workmen’s compensation and insurance and reinsurance organizations

A 501(c)(27) nonprofit exists to provide workers’ compensation coverage under state law.

What defines a 501(c)(27)?

• Covers workers’ compensation liabilities
• Operates under state workers’ comp systems
• Formed to manage risk and payouts

Note: To qualify, the organization must have been created before June 1, 1996. New organizations cannot use this classification today.

Common examples include legacy state-sponsored workers’ compensation reinsurance organizations.

19. 501(c)(28): National railroad retirement investment trust

A 501(c)(28) is a federally created trust that invests funds for railroad retirement benefits. This is a single-purpose, government-linked entity, not a structure new nonprofits can apply for.

What defines a 501(c)(28)?

• Manages investments for railroad retirement programs
• Operates at a national level
• Created by federal law, not private founders

Common examples include the National Railroad Retirement Investment Trust.

Pension and unemployment trusts

20. 501(c)(24): ERISA trust funds

Section 501(c)(24) applies to certain trust funds described in the Employee Retirement Income Security Act (ERISA). These trusts are typically created to hold assets associated with pension or employee benefit plans.

This category does not apply to newly formed charities or public-benefit organizations. It exists for specialized retirement-related trust structures governed by federal benefits law.

21. 501(c)(25): Title-holding corporations for pensions

A 501(c)(25) is a specialized version of a title-holding nonprofit, created specifically for pension funds or trusts with multiple parents.

What defines a 501(c)(25)?

• Holds real estate or assets for pension trusts
• Income benefits pension plans or retirees

Common examples include real-estate holding entities tied to retirement plans.

22. 501(c)(17): Supplemental unemployment benefit trusts

A 501(c)(17) exists to provide extra unemployment benefits beyond standard state programs.
Benefits must follow strict IRS and labor rules.

What defines a 501(c)(17)?

• Pays supplemental unemployment benefits
• Funded mainly by employer contributions

Common examples include industry or union-linked unemployment benefit trusts.

23. 501(c)(18): Employee-funded pension trusts

A 501(c)(18) manages pension funds funded directly by employees. It usually applies to legacy pension arrangements.

What defines a 501(c)(18)

• Funded by employee contributions
• Pays retirement benefits

Common examples include older employee pension trusts.

24. 501(c)(22): Withdrawal liability payment funds

A 501(c)(22) is a highly technical and narrowly regulated organization type that exists to protect pension systems when employers exit multi-employer plans.

What does a 501(c)(22) organization do?

• Collects and distributes withdrawal liability payments
• Stabilizes pension funding

Common examples include funds tied to multi-employer pension plans.

Specialized purpose nonprofits

These types of nonprofits exist for very specific, often narrow missions. They’re not meant for broad public fundraising or advocacy.

25. 501(c)(13): Cemetery companies

A 501(c)(13) nonprofit exists to manage burial grounds and related services on a nonprofit basis.

What defines a 501(c)(13)?

• Operates cemeteries, burial plots, or cremation services
• Income must be used for maintenance and operations
• Cannot operate for private profit
• Donations may be tax-deductible when made to the organization for general cemetery purposes

Common examples include nonprofit cemeteries and memorial grounds.

Important caveat: Payments that are part of the purchase price of a burial lot or crypt are not deductible. Contributions earmarked for the perpetual care of a specific lot or crypt are also not deductible.

26. 501(c)(14): State-chartered credit unions & mutual financial organizations

A 501(c)(14) is a nonprofit financial institution created to serve members, not shareholders, so they’re not counted as charities.

What defines a 501(c)(14)?

• Organized and operated under state credit union law (federal credit unions are generally 501(c)(1))
• Provides banking and loan services to members
• Operates on a mutual, nonprofit basis

Common examples include state-chartered credit unions.

27. 501(c)(19): Veterans organizations

A 501(c)(19) nonprofit serves current or former members of the U.S. military.

What defines a 501(c)(19)?

• At least 75% of members are veterans or active military
• Provides support, services, or advocacy for veterans
• Donations are tax-deductible in certain cases (notably for war veterans’ organizations meeting the 90% war-veteran membership test)

Common examples include veterans’ service organizations and military support groups.

28. 501(c)(16): Cooperative organizations to finance crops

A 501(c)(16) supports agriculture by helping farmers finance essential resources.

What do 501(c)(16) organizations do?

• Finances farm equipment, livestock, or land
• Supports agricultural production
• Operates cooperatively, not for profit
• Limited strictly to agricultural financing purposes.

Farm financing cooperatives are an example.

29. 501(c)(21): Black lung benefit trusts

A 501(c)(21) exists to compensate coal miners affected by black lung disease.

What does a 501(c)(21) do?

• Pays benefits to miners or surviving spouses
• Funded by coal mine operators

Black lung compensation trusts are highly specific to this cause.

30. 501(c)(23): Pre-1880 veterans’ organizations

A 501(c)(23) applies to certain veterans’ organizations that were established before 1880. This category exists for historical organizations and does not apply to newly formed veterans groups.

What does a 501(c)(23) do?

• Supports members of historic veterans’ groups
• Maintains activities tied to legacy military service organizations
• Operates under a narrow statutory provision for pre-1880 entities

Cooperative and service organizations

These nonprofit types are built around shared services. Instead of running public programs or fundraising campaigns, they help similar organizations or members reduce costs, manage risk, or operate more efficiently.

31. 501(e): Cooperative hospital service organizations

A 501(e) exists to support hospitals by handling non-medical operations collectively. The services must be administrative, not medical care. Think hospital groups sharing billing, purchasing, or data systems.

What defines a 501(e)?

• Provides shared administrative services
• Supports multiple nonprofit hospitals
• Focuses on efficiency, not profit

32. 501(f): Cooperative service organizations of educational institutions

A 501(f) helps educational institutions manage investments or shared services. For example, investment or endowment management entities for schools are specific to the cause and do not serve the general public.

What defines a 501(f)?

• Formed by schools or educational nonprofits
• Manages investments or pooled resources
• Operates strictly for member institutions

33. 501(k): Public child care organizations

A 501(k) nonprofit provides child care services that are open to everyone. These organizations must meet federal requirements around public availability and care standards.

What does a 501(k) do?

• Operates child care facilities
• Services are available to the general public
• Functions on a nonprofit basis

Common examples include community-based nonprofit child care centers.

34. 501(n): Charitable risk pools

A 501(n) allows certain nonprofit organizations to pool insurance risk together under a structure treated as charitable for tax purposes, if specific IRS requirements are met.

What does a 501(n) do?

• Pools insurable risks among member 501(c)(3) organizations
• Reduces exposure to catastrophic losses across the group
• Operates solely for member protection and not for profit

To qualify under 501(n), all members must be 501(c)(3) charitable organizations, and the pool may only cover permitted insurable risks. Medical malpractice risks are specifically excluded under the statute.

35. 501(q): Credit counseling compliance requirements

Section 501(q) does not create a standalone tax-exempt category. Instead, it sets additional standards for organizations whose primary activity is credit counseling.

Credit counseling organizations typically apply for tax-exempt status under 501(c)(3) or 501(c)(4). If credit counseling is a substantial purpose of the organization, it must also comply with the specific requirements outlined in 501(q).

These rules address:

• Limits on fees and services
• Restrictions on relationships with lenders
• Governance and operational safeguards
• Consumer protection standards

In other words, 501(q) functions as a regulatory layer, not a separate exemption type.

36. 521(a): Farmers’ cooperative associations

A 521(a) cooperative allows farmers to operate collectively. This is a tax-exempt cooperative, not a 501(c) nonprofit.

What defines a 521(a)?

• Pools resources for marketing or purchasing
• Member-owned and member-controlled
• Operates at cost, not for profit

Common examples include agricultural marketing co-ops and supply cooperatives.

How to choose the right nonprofit type

Choosing a nonprofit structure is a practical decision with long-term consequences.

The nonprofit status you choose determines how you can raise money, whether donations are tax-deductible, how much political activity is allowed, and what compliance rules you’ll need to follow.

Start by answering three questions:

1. Who do you serve? The general public, members, or a specific group?
2. How will you be funded? Donations, membership dues, shared services, or commercial activity?
3. Will you engage in advocacy or lobbying? Or do you plan to stay politically neutral?

Many founders default to a 501(c)(3), but the IRS recognizes many different types of nonprofit organizations, each built for a specific purpose. Choosing the right one early saves time, money, and restructuring later.

Wrapping up: Pick your nonprofit type and set it up with RallyUp

Starting a nonprofit is exciting and a little overwhelming. Between missions, paperwork, and IRS classifications, it’s easy to rush the decision and “figure it out later.”

No matter which organization type you land on, one thing stays the same: you’ll need reliable ways to raise funds and engage supporters. Enter RallyUp, an end-to-end fundraising platform. 

From donations to campaigns to community-driven fundraising, RallyUp is built to support nonprofits of all kinds, so once your structure is set, fundraising doesn’t have to be the hard part.

Start your first fundraiser by watching a demo campaign with Rallyup!

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