In the wake of the Janus ruling, it is useful to estimate just how much money California’s government unions collect and spend each year. Because government unions publicly disclose less than what the law requires of public corporations or private sector unions, only estimates are possible.
The primary source of information comes from Form 990s that government unions must provide to the IRS each year. Copies of these 990s can usually be found on Guidestar.org; sometimes they are also available on the union websites. While these 990s are useful, to put together reasonably accurate estimates of total government union revenue they require careful analysis and supplemental information from elsewhere. With these limitations noted, here are summary estimates of how much money California’s taxpayers are providing to government unions, who withhold their dues directly from the payroll departments of public agencies.
PUBLIC EDUCATION UNIONS
According to the U.S. Census Bureau, in 2016 there were 422,248 “full time equivalent” teachers employed in California’s K-12 system of public education. In California’s UC and CSU systems of higher education, there were 30,005 faculty instructors. Support staff in the K-12 system numbered 239,726 employees, and in higher education they numbered 40,770 employees.
The largest union focused on K-12 teachers is the California Teachers Association (CTA), easily the largest and most powerful union in California. Their most recent financials, for the year 2015, show declared revenue of $190 million, with $178 million of that declared as dues from members. This, however, greatly understates the power of the CTA. more here