In the UK, where some 4.5 million people cohabit, 70 % of women cohabit before marrying. In the US, one-third of women live with their boyfriends for a period of time before. And in Scandinavia, where attitudes towards sex are still more liberal, nearly 80 % of young people cohabit and have children before marrying.
在同居總人口高達 450 萬人的英國，70 % 的女人先同居才結婚；在美國，有三分之一的女人會先與男伴共住一陣子，再考慮結婚問題；而在性觀念更開放的北歐，「同居──生小孩──走入婚姻」是將近 80 % 的年輕人共同的生活歷程。