Mean Age of Mothers, 2010 – 2014

Mean and average age: The arithmetic average of a mother’s age at birth.

First birth: The first child born alive to a mother.

Race and Hispanic origin: Race and Hispanic origin are reported separately on birth certificates. Persons of Hispanic origin may be of any race. Persons of non-Hispanic ancestry are further classified by race because there are substantial difference in fertility and maternal characteristics between Hispanic and non-Hispanic persons. Persons of AIAN and API ancestry are not classified separately by Hispanic origin because the majority of these persons are non-Hispanic. Multiple-race data reported since 2003 were bridged to single race categories for comparability among states and for trend analyses.

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