Literally half of all the worlds countries is more diverse.
I'd urge you to pause your ignorant, inflammatory, and xenophobic takes for a moment to reflect on whether or not they're even true.
We have the largest population of immigrants in the world [4] and the nation is comprised almost entirely of non-indigenous people. The fact that the US is incredibly diverse is not controversial to anyone that is even modestly informed.
[1] https://www.mofa.go.kr/www/wpge/m_21509/contents.do
[2] https://www.census.gov/data/tables/2000/dec/phc-t-43.html
[3] https://archive.ph/20200212212204/http://factfinder.census.g...
[4] https://www.pewresearch.org/fact-tank/2020/08/20/key-finding...
Until you realize that metric would only be meaningful per capita, which again proves you’re talking rubbish:
https://worldpopulationreview.com/country-rankings/immigrati...
Here’s one fundamental problems with many Americans: they know nothing about outside world.