 Since 1948, it was decided by Congress that all Puerto Ricans, whether born within the United States or in Puerto Rico, were naturally born United States citizens.Puerto Ricans and other U.S. citizens residing in Puerto Rico cannot vote in presidential elections as that is a right reserved by the U.S. Constitution to admitted states and the District of Columbia through the Electoral College system.Nevertheless, both the Democratic Party and Republican Party, while not fielding candidates for public office in Puerto Rico, provide the islands with state-sized voting delegations at their presidential nominating conventions.