Many posts have discussed data on marriage, family, education, and inequality.
Tayelor Valerio at the Census:
The average age of U.S. women who gave birth for the first time was 26.9 in 2018, but many became parents much earlier: There were 1.8 million biological parents ages 15-22 and roughly half were living with a spouse or unmarried partner, according to the Census Bureau’s 2018 Survey of Income and Program Participation (SIPP).
From the National Center for Education Statistics:
In 2019, some 9 percent of children under the age of 18 lived in households in which no parent had completed high school, 26 percent lived in mother-only households, 8 percent lived in father-only households, and 16 percent were in families living in poverty.