United States: “The number of single mothers increased between 1970 and 2000, from 3 million to 10 million; over the same time frame, the number of single fathers increased also, from 393,000 to 2 million. ” ​ — U.S.
اليابان :‏ ‹ العائلات ذات الام المتوحِّدة في ازدياد منذ سبعينات الـ‍ ١٩٠٠ › .‏