While interracial couples living together is becoming more common in America, many are deciding not to get married.

New analysis by the Los Angeles Times of U.S. census data that racially and ethnically mixed couples were more than twice as common in 2012 as they were in 2000.

But the paper's analysis found there were also more than twice as many unmarried interracial couples living together than married ones. In 2012, nine percent of unmarried couples living together came from different races, compared with about four percent of married couples.

Some researchers say disapproving family members is the main reason interracial couples choose not to marry.

A sociology professor at Ohio State University told the L. A. Times that living together doesn't require family approval, but moving to the next stage is sometimes harder.
 
According to a 2009 study by the Pew Research Center, just half of white respondents aged 50 to 64 said they would be fine with one of their relatives marrying someone of any other race or ethnicity.

Whatever the case, it's clear some Americans still are uncomfortable with seeing racially mixed couples.

Earlier this year, General Mills disabled their YouTube account after a Cheerios commercial that featured an interracial family attracted dozens of prejudiced comments.