Googled “% children born in US out of wedlock” - compilation below.

In the United States, about 40% of births are to unmarried parents. This is up from 28% in 1990.

The percentage of births to unmarried parents varies by race and ethnicity

Non-Hispanic whites: 21.9%

Non-Hispanic blacks: 69.3%

Hispanics: 41.6%

American Indians: 59.3%

Asians and Pacific Islanders: 15.6%

The likelihood of a child being born to unmarried parents also varies by the mother's education level.