Among other things (like which country would agree to this?)~
Exactly.. probably none of them, and maybe they would have similar reasons on why we shouldn't want it happening at this scale in the US. Although, idk, maybe there could be ways to pay/bribe countries to take asylum seekers in until they've been correctly vetted.
The bottom line is, regardless how you feel about immigration, Trump and GOP are not going to solve any of the problems with it. They will milk the publicity as much as they can and then forget it until the next election when they can use it again.
https://www.migrationpolicy.org/programs/data-hub/charts/immigrant-population-over-time* appeared to be a good combination of sources, but if there are better, lmk!
Overall, it seems like we've continually been going up in % no matter who it is?