Asylum seekers in the United States are sent back to Uganda, Guatemala, Ecuador or South Sudan. In November alone, there were more than 5,000 such cases.
Throwing unwanted immigrants out of the U.S. allows agreements between the U.S. government and these countries. But the key is the rule change that happened in November. At that time, the Department of Homeland Security instructed immigration judges not to consider the legitimacy of asylum claims in the United States, but to refer cases (and, together with asylum seekers) to third countries.
In these countries, they are also guaranteed a path to grant asylum (or to reject it).