The effect of same-sex parenting on child development is a highly politicized research topic. Various studies have come to different conclusions. Most studies suffer from sampling bias, too few participants, etc. (see “A Review and Critique of Research on Same-Sex Parenting and Adoption” for an analysis on every study related to same-sex parenting).
The most objective study to-date comes from the National Center for Health Statistics, a division of the U.S. Center for Disease Control. They collect a range of data on civilian households each year. Out of a sample of nearly 1.6 million people, they found a random and representative sampling of 512 children from same-sex parenting homes. When compared to children raised by married parents of the opposite sex, they were found to have a significantly higher rate of emotional problems and developmental disabilities. (more…)