“Almost a quarter of U.S. children under the age of 18 live with one parent and no other adults (23%), more than three times the share of children around the world who do so (7%) … “In comparison, 3% of children in China, 4% of children in Nigeria and 5% of children in India live in single-parent households." [1]

[1]https://www.census.gov/newsroom/stories/single-parent-day.ht...