Final answer:
The specific percentage of African American young adults having children out of marriage is not provided, but the trend among young adults is to delay or forgo marriage, with African Americans least likely to marry. Cohabitation without wedlock has also increased.
Step-by-step explanation:
The question addresses demographic trends concerning marital status and childbearing among young African American adults. While the provided information does not give a specific percentage of black individuals between 18-34 years old having babies out of wedlock, it highlights broader marital trends that include delaying marriage or choosing not to marry, which has become more common among young adults in the United States.
Moreover, various societal factors influence the decision to marry, such as religion, cultural expectations, education, and income levels. Notably, African Americans have been indicated to be less likely to marry compared to other racial groups. Finally, cohabitation without marriage has increased, and the traditional U.S. family structure has evolved.