“It helps people realize that race is more a social construct than an actual reality."For Denver-based Austin Klemmer, 27, and his Vietnamese-born wife, Huyen Nguyen, 30, it’s culture, not race, that has played a major part in their relationship since they met in Hanoi more than four years ago.“We do our best to stay attuned to each other's cultural standards," said Klemmer.

There are gender differences though, when it comes to intermarriage among certain groups.

Male black newlyweds are twice as likely to marry outside their race or ethnicity than black women (24 percent to 12 percent).

“This translates into 11 million people who were intermarried.”Researchers attributed the steady growth in interracial marriages to shifting societal norms and changed attitudes toward race.

As a result, Americans have become more accepting of marriages between people of different races and ethnicities, even within their own families.

Georges met his future wife Mythily Kamath Georges, 39, online in 2014. Georges was born and raised in Brooklyn and his family is Haitian. They’re now ensuring their son grows up embracing both his cultures.

Kamath Georges was born in India and raised in the suburbs of Cleveland, Ohio.“I dated a variety of people of different races. Kamath Georges’ parents speak to the toddler in Konkani, a language spoken in the South western coast of India, and Kamath Georges encourages her husband to speak Creole to their son as well.“We want him to understand the cultures that we both come from and the spiritual aspects of our faiths," Kamath Georges said.Danielle Karczewski, a black Puerto Rican woman, met her Polish-born husband, Adam, when they were interns at a law firm.They’ve now been together for 12 years, and married for six.“I don't know if we’re just extremely blessed, but we’ve gotten nothing but tons of support from friends and family,” Danielle Karczewski, 34, of Rockaway, New Jersey, told NBC News.“We’re a very multicultural family,” she said, adding that her mother-in-law is married to an Indian man and their Polish friend has a black Cuban husband.Gabriel said it's difficult to predict how these couples and their multiracial children may shape the socio-cultural and political landscape in the future.But he said people who are married to someone of a different race tend to be more progressive in their politics and more empathetic overall.Supreme Court case allowing marriage across racial lines, a recent study by the Pew Research Center has found that the percentage of such newlywed couples has more than quintupled, soaring from just 3 percent to 17 percent between 19.