France: “Since the late 1970s, the proportion of single - parent families has increased by more than 50 per cent. ” ​ — Single Mothers in an International Context, 1997.
„ 1970. aastate lõpupoolest alates on üksikvanemaga perede osakaal kasvanud rohkem kui 50 protsenti. ” ( „Single Mothers in an International Context ”, 1997) Saksamaa.