The estimated number of undocumented Chinese migrants in the U.S. in 2022. Until last year, China had not accepted repatriation flights for several years. Last year, it allowed four such flights. Mao Ning, a spokesperson for China’s foreign ministry, said Monday that China will receive any confirmed Chinese nationals from the mainland who lack documentation to be in the U.S. “The Chinese government firmly opposes any form of illegal migration,” she said.