This report is from the Assistant Secretary for Planning, Research, and Evaluation. Religion and spirituality play a significant role in the lives of Americans, and this report is focused on how religiosity and spirituality affect outcomes for low-income families. Researchers provide an overview of the role of religiosity for low-income families in the areas of marriage and relationships, parenting, youth outcomes, mental and physical health, substance abuse, and crime and violence, homelessness, and employment.