The U.S. Census Bureau provides a summary page on marital status and living arrangements.

Psychology Today offers a summary page on marriage, including articles and blogs by relationship experts. The page also includes links to pages on related topics, including divorce, homosexuality and relationships.

The Marriage & Religion Research Institute archives data about marriage from a number of sources. It also posts links to scholars around the country.

See the Centers for Disease Control and Prevention’s summary page on marriage and divorce.

The Barna Group provides a summary page on family and kids.

ReligiousTolerance.org provides an article on marriage and divorce in Islam.

Judaism 101 provides a summary page on marriage. The page describes Jewish beliefs on topics including soul mates, a typical wedding and the marital relationship.

JewishEncyclopedia.com provides a summary page on marriage.

The United States Conference of Catholic Bishops provides a summary page on marriage and family. The page includes links to official documents from the Vatican and bishops, blessings and prayers for Catholic households and prayer cards for married couples.