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Women, Infants & Children (WIC)

​Research & Data

Additional Resources


Maternal and Infant Health Assessment (MIHA)

MIHA is an annual, statewide-representative survey of women with a recent live birth in California. MIHA collects self-reported information about maternal and infant experiences and about maternal attitudes and behaviors before, during and shortly after pregnancy.


USDA WIC Participant and Program Characteristics 2018

WIC Participant and Program Characteristics 2018 (PC 2018) summarizes the demographic characteristics of participants in the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) nationwide in April 2018. It includes information on participant income and nutrition risk characteristics, estimates breastfeeding initiation rates for WIC infants, and describes WIC members of migrant farm-worker families.


USDA WIC Studies

Library of WIC studies published by USDA.


USDA Economic Research Service, WIC Research Reports & Articles Database

Database of over 1,000 peer-reviewed research reports and articles covering a broad spectrum of food and nutrition assistance research based on both intramural and extramural research published at ERS and elsewhere.


USDA Economic Research Service, WIC Charts

National WIC participation data presented in charts and available for download.


National WIC Association (NWA) Research Activities

The NWA is the non-profit education arm and advocacy voice of the WIC Program. Their Research Activities page highlights the innovative research happening nationwide.


Public Health Foundation Enterprises, Inc. Data Mining Project

The primary goal of the Data Mining Project is to provide comprehensive data about the low-income WIC 0-5 population in Los Angeles County. PHFE WIC collaborates with the California State WIC Program and the six other Local Agency WIC Programs in Los Angeles County to collect and analyze WIC data. Funded by First 5 LA, the project examines WIC administrative data and administers periodic surveys of WIC families in order to examine and address the needs of the low-income community.

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