(1) More just stayed the same, rather than went down, in the USA. https://www.pewresearch.org/short-reads/2018/08/07/for-most-us-workers-real-wages-have-barely-budged-for-decades/ (2) Sure, China's real wages have gone up, but that's stagnated way below America's. China's per capita GDP is still only 15-30% of America's. (The USA's PPP per capita GDP is >3x China's https://statisticstimes.com/economy/united-states-vs-china-economy.php) So, average Americans are still waaaaaay better off than average Chinese.