Foreigners have been able to invest to obtain citizenship in some countries on the continent for years, but governments are increasingly changing course.

The president wants to charge almost $8m for a visa. Yet for as little as $413,000, you can buy a flat in a Mediterranean country and get permanent residency too.

U.S. President Donald Trump on Tuesday suggested the possibility of substituting a current visa program for foreign investors with a gold card that could be purchased for $5 million, offering a pathway to American citizenship.