The Popular Democratic Party is a political party in Puerto Rico that advocates to continue as a Commonwealth of the United States with self-governance. The party was founded in 1938 by dissidents from the Puerto Rican Liberal Party and the Unionist Party and originally promoted policies on the center-left. In recent years, however, its leaders have described the party as centrist.

The political party strength in Puerto Rico has been held by different political parties in the history of Puerto Rico. Today, that strength is primarily held by two parties, namely:The New Progressive Party which holds about 39% of the popular vote while advocating for Puerto Rico to become a state of the United States The Popular Democratic Party which holds about 34% of the popular vote while advocating for maintaining the current political status of Puerto Rico as that of a Commonwealth,