They’re still coming to America, just as they have for over 200 years. It’s just not as orderly in Juarez as it was on Ellis Island. Thus immigration 2021 is, unlike fraudulent voting, a real problem.
The United States has two main land-based borders with other countries. In the north, it is a lengthy one with Canada. As far as I can tell there are no crises brewing on our northern border. In fact, I suspect that there are few Canadians who wish to immigrate to America. Given the relative state of race relations, health care and poverty in the two countries, Canada’s only down side is its winter weather.