- As of 11/17/2011, there were 48,627 501(c)(5) organizations listed in the IRS database, or about 3% of the total.
- During the fiscal year ended September 30, 2010, the IRS received 310 exemption applications from organizations seeking 501(c)(5) status. 273 applications were approved, and none were denied. http://www.irs.gov/taxstats/article/0,,id=207380,00.html
- As of 11/9/2011, the IRS had revoked the tax exempt status of 11,733 501(c)(5) organizations for failure to file annual returns (Automatic Revocation of Exemption List). This was slightly less than 3% of all the revocations.