If you want to know, here are the sources and majority of the people who are fleeing US are mostly Young People (Millennials and Generation Z's), I've know plenty of friends went right away to Canada, UK, Germany and etc. thanks to Trump, Corruption, Lobbyism, Lack of Affordability, Uncontrollable Rising Rent Cost, Student Debts and etc.
https://medium.com/migration-issues/why-are-americans-leaving-75fe530ce49d
https://www.washingtonpost.com/news/politics/wp/2018/01/12/millions-of-americans-have-moved-overseas-and-its-not-because-the-u-s-is-a-shithole/
https://www.cnbc.com/2018/06/27/more-americans-are-considering-cutting-their-ties-with-the-us-heres.html
https://www.cnbc.com/2019/05/25/they-fled-the-country-to-escape-their-student-debt.html
https://news.yahoo.com/frightened-by-shootings-appalled-at-trump-americans-are-voting-with-their-feet-to-leave-161346924.html
https://news.gallup.com/poll/245789/record-numbers-americans-leave.aspx