The growing incidence of Chinese criminal activity has affected Japanese attitudes about Chinese people. It was the first time such a level of anti-Chinese sentiment had been expressed since the annual survey began in 1978. Some Japanese feel crime in their country will rise further after Hong Kong reverts to Chinese rule in July. Japan is the new frontier. With much of the opportunity that implies.
Many Asian nations have a problem with illegal immigrants.
Strategies to deal with them vary from place to place. Officials are emptying detention camps, and have launched a new drive to detect illegals. Government Measures Officials permit IIs to register to stay for up to two years. They do jobs Thais avoid, and for much lower wages. The government launches periodic but largely token crackdowns.