For the 125th anniversary issue of National Geographic magazine, photographer Martin Schoeller captured a series of images that explore the increasingly multiracial face of the U.S. The striking images speak as much to increased racial diversity as the complexities of racial self-identification. Beginning in 2000, the U.S. Census allowed people to choose more than one race. Nearly seven million people selected multiple races that year and in 2010, 32% more people chose to do so. Each of the photographs depicted in this October 2013 issue includes both the self-ID chosen by the person photographed, and the boxes they checked on either the 2000 or 2010 census.