Cuban immigration has greatly characterized modern Miami, creating what is known as "Cuban Miami." However, Miami reflects global trends as well, such as the growing trends of multiculturalism and multiracialism; this reflects the way in which international politics shape local communities. Essentially, the coexistence of growth and internationalization within Miami has perpetuated an ethnically driven social polarization. The growing number of Cubans in Miami have remained loyal to their cultural norms, mores, customs, language, and religious affiliations. The transnational force of immigration defines Miami as a growing metropolis, and the 20th century Cuban influx has greatly affected Miami's growth.
As of 2012, there were 1.2 million Cubans in Greater Miami. As of that year, about 400,000 had arrived after 1980.
About 500,000 Cubans, most of them business people and professionals, arrived in Miami during a 15-year period after the Cuban Revolution. Some figures in Fulgencio Batista's administration were among those who arrived in Miami. The Miami Cubans received assimilation aid from the federal government. The Cubans established businesses in Miami.
The Cubans arriving after 1980 did so primarily because of economic reasons.
With the influx of Cuban immigrants into Miami-Dade County, there was increased residential competition and segregation. Cubans have migrated to Miami in large numbers since 1950, and the majority of these immigrants had middle-class backgrounds. Essentially, this propelled their economic assimilation and prosperity. However, these 20th-century Cuban immigrants have not become residentially assimilated with the non-Latin population. "Instead, through invasion and succession they are creating their own ethnic ghettoes … typical of ethnic minorities who have recently arrived in United States cities, the Miami Latin population was highly centralized; 70 percent lived within a three mile semicircle on the western side of the city's central business district”. As a result, Miami's non-Latin populations (which includes Jewish and Black populations) have become increasingly polarized in a geographic sense. Essentially, the vast impact of Cuban migration has greatly affected Miami's non-Latin populations.