The U.S. Census Bureau does not provide data on language use by children younger than age 5. This is because the Census Bureau assumes that children at that age do not yet have a language. However, to get an estimate of the number of children age 0 through 4 who speak Spanish or who are extremely likely to learn Spanish because their mother and/or father speaks Spanish, it is possible to use data on parental language. Data on the language spoken by children age 5 are available from the Census Bureau.
- Children Birth Through Age 5 Speaking Individual Languages or Related Language Groups
Data are provided for approximately 60-70 languages or language groups. Data are based on responses to American Community Survey (ACS) questions, "Does this person speak a language other than English…