[1] The Miami accent was developed by second- or third-generation Miamians, particularly young adults whose first language was English but were bilingual.
Since World War II, Miami's population has grown rapidly every decade partly because of the postwar baby boom.
Beginning with rapid international immigration from South America and the Caribbean (exacerbated by the Cuban exodus in the early 1960s), Miami's population has drastically grown every decade since.
In 2023 Florida International University linguistics professor Philip M. Carter and University at Buffalo doctoral student Kristen D’Alessandro Merii argued that the accent qualifies as a distinct regional dialect of American English.
Language researcher Elena M. de Jongh notes that Spanglish is so widely used that court translators need knowledge of it to function proficiently.