US How big is the problem of tax evasion? Tilis 6 years ago TAX EVASION red Rubber Stamp over a white background. https://www.brookings.edu/blog/up-front/2019/04/09/how-big-is-the-problem-of-tax-evasion/?utm_campaign=Brookings%20Brief&utm_source=hs_email&utm_medium=email&utm_content=71720872