Poverty rate of married-couple families in the U.S. 1990-2019

The Census Bureau defines a family as follows: "A family is a group of two people or more (one of whom is the householder) related by birth, marriage, or adoption and residing together; all such people (including related subfamily members) are considered as members of one family."

Families as of March of the following year.

Poverty is the state of one who lacks a certain amount of material possessions or money. Absolute poverty or destitution is inability to afford basic human needs, which commonly includes clean and fresh water, nutrition, health care, education, clothing and shelter.

Data prior to 2017 can be found here.