Then, after April 2020, Border Patrol migrant encounters at the southern border rose in each of Trump’s remaining eight full months in office – plus a ninth month, January 2021, in which he was ...

But our ten charts below show how the problem has worsened over recent administrations. Image: The Economist Start with the number of undocumented, or illegal, migrants crossing the border.

Then, after April 2020, Border Patrol migrant encounters at the southern border rose in each of Trump’s remaining eight full months in office – plus a ninth month, January 2021, in which he ...