In “The Next America,” Pew Research Group takes a look at the demographic transformations in America and specifically, the changes in our racial and ethnic makeup.

As part of the project, they posed a simple question:

“By mid-century, what will we call the children of interracial marriages?”

The question isn’t so easy to answer and is illustrated by a survey Pew conducted to see how Americans identify President Barack Obama. He has called himself a “mutt” due to his mixed race.

Of those surveyed, only those who identify as black primarily identified him as being black, while other races identified him as being mixed race.

Take a look: