Types of Nonprofits You Can Start

The 4 main types of nonprofits you can start are public charities, social welfare organizations, private foundations, and trade or professional associations. Each serves a different purpose and qualifies for tax-exempt status under a different section of the IRS tax code. The right type depends on your mission, how you plan to fund it, and how much political or lobbying activity you want to do.

The IRS recognizes 29 categories of tax-exempt organizations under Section 501(c) of the Internal Revenue Code. Most people starting a nonprofit will fall into one of 4 categories: public charities, social welfare organizations, private foundations, or trade and professional associations. Each category has its own rules about funding, governance, and what activities are allowed.

The distinction matters more than most people expect. Two nonprofits can share an identical mission — say, environmental conservation — but be structured differently based on how they raise money and whether they plan to lobby for policy changes. Getting the structure right from the start saves a lot of paperwork later.

A public charity is the most common type of nonprofit. It's a 501(c)(3) organization that serves a charitable, educational, religious, scientific, or similar purpose — and it gets most of its funding from the general public or government sources. Donors who give to a public charity can deduct their contributions on their federal tax return.

To keep public charity status, an organization must receive at least one-third of its support from the public or government. That broad funding base is what separates a public charity from a private foundation. Examples include food banks, animal shelters, schools, hospitals, and religious congregations.

One important limit: 501(c)(3) organizations can't engage in substantial lobbying or any political campaign activity. If advocacy is central to your mission, a different structure may fit better.

A social welfare organization is a 501(c)(4) nonprofit whose primary purpose is to benefit the community or promote the public good. Unlike a public charity, a 501(c)(4) can engage in substantial lobbying for legislation that advances its social welfare mission — and it faces no cap on how much lobbying it can do.

The trade-off is that donations to a 501(c)(4) are generally not tax-deductible for the donor. That makes fundraising harder than it is for a public charity. Social welfare organizations include civic leagues, neighborhood associations, and advocacy groups focused on issues like housing, environmental policy, or public health.

If your nonprofit's work is primarily about changing laws or influencing policy, a 501(c)(4) gives you more room to operate than a 501(c)(3) would.

A private foundation is also a 501(c)(3) organization, but it's funded by a single source — typically an individual, a family, or a corporation — rather than the general public. That concentrated funding structure is what distinguishes it from a public charity, and it comes with stricter IRS rules.

Private foundations are required to distribute at least 5% of their net investment assets each year for charitable purposes. They're also subject to excise taxes on investment income and tighter restrictions on self-dealing. The Bill and Melinda Gates Foundation is a well-known example, but private foundations exist at every scale.

Donors to a private foundation can still deduct contributions, though the deduction limits are lower than for public charities. If you're planning to fund a nonprofit primarily from your own wealth or a family gift, a private foundation is worth understanding before you file.

A trade or professional association is a 501(c)(6) nonprofit that promotes the collective interests of people in a particular industry or profession. Chambers of commerce, real estate boards, bar associations, and industry groups all fall into this category. The organization exists to benefit its members as a group, not the general public.

Donations to a 501(c)(6) are not tax-deductible as charitable contributions, but membership dues may be deductible as a business expense for members. These organizations can engage in lobbying related to their industry without the restrictions that apply to 501(c)(3) organizations.

If your goal is to bring together professionals in a field, set industry standards, or advocate for a specific sector, a 501(c)(6) is the structure built for that.

Beyond the 4 main categories, the IRS recognizes additional nonprofit structures that fit specific situations. Most people starting a nonprofit won't need these, but they're worth knowing if your mission doesn't fit neatly into the categories above.

• 501(c)(5) — Labor, agricultural, and horticultural organizations that work for the mutual benefit of their members, things like unions and farm cooperatives.
• 501(c)(7) — Social clubs organized for recreation and pleasure, things like hobby clubs, country clubs, and amateur sports leagues. Members must make up the primary source of support.
• 501(c)(8) — Fraternal beneficiary societies that provide life, health, or accident benefits to members, things like fraternal lodges with insurance programs.

The right nonprofit type comes down to 3 questions: What is your mission? Where will your funding come from? And how much advocacy or lobbying do you plan to do? Your answers will point you toward the right IRS category before you file anything.

Choose a public charity if:

• Your mission is charitable, educational, religious, or scientific
• You plan to raise money from the public, grants, or government sources
• You want donors to receive a tax deduction for their contributions
• Lobbying is not a central part of your work

Choose a social welfare organization if:

• Your primary work is advocacy, civic improvement, or community welfare
• Lobbying for legislation is a significant part of your mission
• You can raise funds without relying on tax-deductible donations

Choose a private foundation if:

• You or your family are the primary source of funding
• You want to make grants to other charitable organizations
• You're comfortable with stricter IRS oversight and the 5% annual distribution requirement

Choose a trade or professional association if:

• Your goal is to serve the collective interests of an industry or profession
• Membership dues will be your primary funding source
• You want to advocate for your industry without the lobbying limits that apply to 501(c)(3) organizations

If you're still not sure which structure fits, a tax professional or nonprofit attorney can help you figure out the right category before you file with the IRS. Getting this right at the start is much easier than changing your structure later.