Islamic rules on religiously mixed marriages have harsh consequences for many couples in Italy, for example.

ECONOMIST: Sharia in the West

Sanda and Bojan are artists -- born of mixed marriages -- brought up to believe in tolerance and ethnic diversity.

CNN: A Bosnia divided

Mixed couples are as likely as those in non-mixed marriages to be college educated and their ages at marriage are also similar.

WSJ: Interracial Marriages in U.S. Reach a Record

Jamal Al Bah, who directs the Marriage Fund, argues that the government should enforce a rule to reduce or even forbid mixed marriages, as in neighbouring Oman.

ECONOMIST: Marriage and divorce, Emirates-style

Millions of women and men who find themselves in mixed-orientation marriages and relationships have turned to networks like Straight Spouse Network and Straight Wives for emotional support.

FORBES: Repeal 'Don't Ask Don't Tell' In Marriage Too

More than four out of 10 marriages in Hawaii were mixed, the highest intermarriage rate of any state.

WSJ: Interracial Marriages in U.S. Reach a Record

By most standards, American rates of mixed-race marriage have been low: one in 23 marriages in 1990, up to one in 15 in 2000.

ECONOMIST: The Americano dream

The mixed-race population has increased, due to both inter-racial marriages and Census Bureau forms in the past two headcounts that allow people to identify themselves as more than one race.

WSJ: Population Leaves Heartland Behind