<Li> Air conditioning has promoted migration from northern areas to the Sun Belt, aided by states' rules against union labor and having low taxes for businesses . The Jet Age promoted vacationing and part - time living in warmer areas (snowbirding). </Li> <P> In some cases, immigrants and migrants form ethnic enclaves; in others, mixture creates ethnically diverse neighborhoods . </P> <P> (For demographics by specific ethnic groups rather than general race, see "Ancestry" below .) </P> <P> The majority of the more than 300 million people currently living in the United States consists of White Americans . The United States Census Bureau defines White people as those "having origins in any of the original peoples of Europe, the Middle East, or North Africa ." Like all official U.S. racial categories, "White" has a "not Hispanic or Latino" and a "Hispanic or Latino" component, the latter consisting mostly of White Mexican Americans and White Cuban Americans . </P>

What is the racial breakdown of the united states