NATO and various columnists employed by major U.S. newspapers and “think” tanks believe that military spending levels should be measured in comparison to nations’ financial economies. If you have more money, you should spend more money on wars and war preparations. I’m not sure if this is based on opinion polls in Afghanistan and Libya expressing gratitude for war as a public service or some other source of data less imaginary.

U.S. Spends 11 Times What China Does on Military Per Capita, by David Swanson