Those are agency fees, not union dues. Quoting from the link you gave, "This fee costs the same as union dues, minus the cost of the union’s direct political gi

Those are agency fees, not union dues. Quoting from the link you gave, "This fee costs the same as union dues, minus the cost of the union’s direct political giving". Edit: Downvotes for making a minor vocabulary correction? Imagine what would happen if I had pointed out that tomato is botanically a fruit, even if it is the state vegetable of New Jersey. (And yes, this topic made it to the Supreme Court in Nix v. Hedden.)