Some illegal immigrants, particularly from Haiti, Dominican Republic, and Cuba use Puerto Rico as a temporary stop-over point to get to the US mainland. Non-hispanic people only made up 1.1% of the population of Puerto Rico, the majority of which are made up of U.S. citizens especially White Americans, and to a lesser degree Black Americans.https://data.census.gov/table/DECENNIALDP2020.DP1?text=Decennial+census&t=Race+and+Ethnicity&g=040XX00US72 Some non-Puerto Rican Hispanics are U.S.-born. Ethnic Puerto Ricans numbered 3,139,035, representing 95.5% of Puerto Rico's population. Some Puerto Ricans engage in Circular migration.
Some illegal immigrants particularly from Haiti, Dominican Republic, and Cuba use Puerto Rico as a temporary stop-over point to get to the US mainland. Non-hispanic people only made up 1.1% of the population of Puerto Rico, the majority of which are made up of US. citizens especially White Americans, and to a lesser degree Black Americans.https://data.census.gov/table/DECENNIALDP2020DP1?text=Decennial+census&t=Race+and+Ethnicity&g=040XX00US72 Some non-Puerto Rican Hispanics are U.S.-born. Ethnic Puerto Ricans numbered 3,139,035, representing 95.5% of Puerto Rico's population. Some Puerto Ricans engage in Circular migration.