Aleksandra Sandstrom

God or the divine is mentioned at least once in each of the 50 state constitutions and nearly 200 times overall.

To mark the 100th anniversary of the U.S. government granting American citizenship to the residents of Puerto Rico, here are key facts about the territory.

The vast majority of the nation’s federal lawmakers (91%) describe themselves as Christians, compared with 71% of U.S. adults who say the same.

The share of U.S. adults who describe themselves as Christians has been declining for decades, but the U.S. Congress is about as Christian today as it was in the early 1960s.

See a profile of American religious beliefs and practices if the country were made up of exactly 100 adults.

Imagining the U.S. as a town of 100 people can help illuminate the nation's religious diversity.

About 57,800 minors in the U.S. ages 15 to 17 are married – or five of every 1,000 in that age group. But the rate of child marriage varies widely between states.

Mormons place a very high value on good parenting and a successful marriage, and they are among the most involved in their congregations of any Christian faith.

Almost all of the world’s nations have laws specifying at which age a couple can marry, and in most of these countries, those under the age of 18 are allowed to wed.

All states prosecute parents whose children come to severe harm through neglect. But in thirty-four states (as well as the District of Columbia, Guam and Puerto Rico), there are exemptions in the civil child abuse statutes when medical treatment for a child conflicts with the religious beliefs of parents.