The FTC estimates about 30 million people, or one in five American workers, from minimum wage earners to CEOs, are bound by noncompetes. It says the policy change could lead to increased wages totaling nearly $300 billion per year by encouraging people to swap jobs freely.
Differs from state to state. CA for instance has been shooting them down in court left and right–it’s such a guaranteed win for you that no company would actually sue you over it.