Puerto Rican citizenship
In 1952, upon U.S. Congress approving the Constitution of the Commonwealth of Puerto Rico, also reaffirmed that Puerto Rican citizenship continued in full force. This was further reaffirmed in 2006 while the U.S. Senate probed into the President's Task Force on Puerto Rico's status. In 1953, U.S Ambassador Henry Cabot Lodge Jr., in a memorandum sent to the United Nations, recognized that "the people of Puerto Rico continue to be citizens of the United States as well as of Puerto Rico."
Afro-Latin Americans
According to the 2010 U.S. Census taken in Puerto Rico, 75.8% of Puerto Ricans identified as being white, 12.4% of the population as being black or African American and 11.1% as mixed or of another ethnicity. An island-wide mitochondrial DNA (mtDNA) study conducted by the University of Puerto Rico at Mayagüez revealed that 61% of Puerto Ricans have maternal Native American ancestry, 26.4% have maternal West or Central African ancestry, and 12.6% have maternal European ancestry. On the other hand, the Y chromosome evidence showed Puerto Ricans' patrilineage to be approximately 75% European, 20% African, and less than 5% indigenous.