Former President Donald J. Trump's recent comments in Chicago about Vice President Kamala Harris's racial identity have brought attention to the changing demographics of the United States. With over 12 percent of Americans identifying as multiracial, there has been a significant increase in the number of individuals with both Black and Asian heritage, including Vice President Harris. This trend reflects the growing diversity of the U.S. population, driven in part by rising numbers of Latino and Asian individuals and an increase in interracial marriages. The U.S. Census Bureau's updated methodology, allowing for more ways to identify as multiracial, further contributes to the rise in these figures. However, the cultural and demographic shifts are not without controversy, as demonstrated by Trump's questioning of Ms. Harris's racial identity during a conference for Black journalists. The trend of multiracial identification is particularly prominent among younger Americans, with 19 percent of those below 18 years old identifying as multiracial compared to 6 percent of those 65 and older. Changes in U.S. law, such as the landmark Supreme Court ruling in 1967 that invalidated restrictions on interracial marriage, have also played a role in shaping these demographic shifts. The significance of these changes is underscored by the implications for the country's future population. With multiracial individuals tending to be younger compared to the aging white population, demographers predict a rapid growth of the multiracial population in the coming decades. These shifts are expected to continue as older generations age out and younger generations, who are more likely to intermix, come to the forefront.