"According to the Organisation for Economic Co-operation and Development (OECD), total U.S. tax revenue amounted to 26 percent of GDP in 2014, with about one-th

"According to the Organisation for Economic Co-operation and Development (OECD), total U.S. tax revenue amounted to 26 percent of GDP in 2014, with about one-third of that coming from state and local government taxes. In contrast, the OECD average was 34.4 percent of GDP and the highest rate was 50.9 percent in Denmark. "If Trump was talking about the federal income tax rate that individuals pay, Americans still do not face the highest tax rate in the world. Again according to the OECD, the country with the highest national income tax rate is the Netherlands at 52 percent, more than 12 percentage points higher than the U.S. top federal individual income rate of 39.6 percent." ("Is the U.S. the Highest Taxed Nation in the World?": https://www.crfb.org/blogs/us-highest-taxed-nation-world https://www.crfb.org/blogs/us-highest-taxed-nation-world) Note: "top federal individual income rate" is the tax bracket and your actual tax rate would only approach that as your income approaches infinity. I can't speak to mental health epidemics (twitch, twitch), and while we seem to lead the world in school shootings, they are in practice rather rare. But we are pretty disorderly.