 According to poll published by "Corriere della Serra", one of two respondents (51%) approved closing Italy's ports to further boat migrants arriving via the Mediterranean, while 19% welcomed further boat migrants.In 2018, a poll by Pew Research found that a majority (71%) wanted fewer immigrants to be allowed into the country, 18% wanted to keep the current level and 5% wanted to increase immigration.Portugal had little immigration until a sudden influx in the 1970s, as ex-colonists returned.