These data show that a couple’s likelihood of divorce goes up when they live in communities with a high-rate of unemployment, median family income is low, and families live in poverty or receive welfare benefits.

From:  Bramlett, M. D. & Mosher W. D. (2002) Cohabitation, Marriage, Divorce, and Remarriage in the United States. National Center for Health Statistics. Vital Health Stat 23(22).