What is the 5 rule for foundations?

The 5% Payout Rule for Foundations: What It Means

When it comes to private foundations in the United States, one of the most important obligations is the 5% payout rule. This IRS-mandated guideline ensures that foundations actively support charitable causes rather than simply accumulate wealth. Simply put, a private foundation must distribute at least 5% of the fair market value of its noncharitable-use assets each year.

This distribution typically comes in the form of grants to other nonprofits, direct charitable activities, or administrative costs directly tied to grantmaking. It's important to note that this 5% isn’t a tax—it’s a required payout. However, failing to meet it can result in significant penalties and scrutiny from tax authorities.

The rule applies to most private foundations that aren’t classified as private operating foundations, which run their own active charitable programs (like running a museum or research lab). These operating foundations have different requirements because they spend directly on programs rather than grants.

The calculation is based on the foundation’s investment assets—such as stocks, bonds, and real estate—valued at fair market price from the previous year. Importantly, the rule doesn’t require that the 5% be paid out as grants only in cash; allowable grant-related expenses, like due diligence or site visits, can count toward the total.

While 5% might sound modest, especially if the foundation’s investments grow faster, it ensures a steady flow of funding into the nonprofit sector. Over time, this rule has shaped how foundations approach their mission—balancing endowment growth with meaningful impact.

In practice, many foundations exceed the 5% threshold, choosing to give more to fulfill their philanthropic goals. But for all, meeting this benchmark is not just a regulatory box to check—it’s a cornerstone of their public purpose.