In 2014, just 14% of children younger than 18 lived with a stay-at-home mother and a working father who were in their first marriage. In 1960, half of children were living in this arrangement.
Congress passed 113 laws, 87 of them substantive, in 2015, making it the most productive first session since 2009.
Americans place less importance on religion in their lives than do people in a number of countries in Africa, the Middle East and Asia -- but more than residents of many other Western and European countries.
In the last two decades, several religious groups have moved to allow same-sex couples to marry within their traditions.
Acceptance of homosexuality is rising across the broad spectrum of American Christianity, including among members of churches that strongly oppose homosexual relationships as sinful.