Nearly half the marriages in Switzerland are international ones, up from a third in 1990.
Yet language still matters:
…the Swiss “marry out” in particular ways. The German-speaking Swiss marry largely neighbouring Germans; the Francophone Swiss marry the French; Italian-speakers marry Italians.
Story here, and here are some more numbers:
According to Gavin Jones of the National University of Singapore, 5% of marriages in Japan in 2008-09 included a foreign spouse (with four times as many foreign wives as husbands). Before 1980, the share had been below 1%. In South Korea, over 10% of marriages included a foreigner in 2010, up from 3.5% in 2000. In both countries, the share of cross-border marriages seems to have stabilised lately, perhaps as a result of the global economic slowdown.
…in France the proportion of international marriage rose from about 10% in 1996 to 16% in 2009. In Germany, the rise is a little lower, from 11.3% in 1990 to 13.7% in 2010.
…In most developing countries, the share of men married to foreign women was less than 2% in 2000 (0.7% in Ghana and Bolivia; 0.2% in Colombia and the Philippines; 3.3% in South Africa)…only 4.6% of Americans were married to a foreigner in 2010, up from 2.4% in 1970.