2002年, 美國married-couple家庭裏, 家裏有孩子+丈夫一個人工作養家的家庭隻占13%, 比丁克家庭都少

"Among married-couple households, about 13 percent consisted of families with children in which only the husband worked, 31 percent were dual-income families with children, 25 percent were dual-income families with no children, and 31 percent consisted of other types of families, such as older married couples whose children no longer reside in the household."

 

https://www.prb.org/resources/traditional-families-account-for-only-7-percent-of-u-s-households/