Migrants arriving last year at Malmö's Hyllie station.

Sweden's proposed law to restrict family reunifications for immigrants would be one of Europe's toughest if it becomes law this summer, according to a review by Swedish Radio News.

Experts say this is part of an overall European trend with nations tightening asylum rules to keep refugees from seeking shelter there.

"We see a downward spiral where no country wants to be perceived as more generous than other states," said Anne Bathily, senior policy officer at the European Council on Refugees and Exiles.

The change in rules could hit Syrians and Iraqis especially hard, two of...