Final answer:
Hispanic Americans and Asian Americans are the fastest-growing racial groups in the United States, with Hispanics as the largest minority and Asians experiencing substantial growth in certain states.
Step-by-step explanation:
The fastest-growing racial group in the United States are Hispanic Americans and Asian Americans. Hispanic Americans have become the largest minority group, surpassing African Americans and are increasingly represented in various sectors, including the media, with networks like UnivisiĆ³n. Additionally, the Asian American population has seen significant growth, especially in states like California where they increased by 31.5 percent from 2000 to 2010, according to census data.