none (territory of the US with commonwealth status)
National holiday:
US Independence Day, 4 July (1776); Puerto Rico Constitution Day, 25
July (1952)
Constitution:
ratified 3 March 1952; approved by US Congress 3 July 1952; effective 25 July 1952
Legal system:
based on Spanish civil code and within the US Federal system of justice
Suffrage:
18 years of age; universal; island residents are US citizens but do not vote in US presidential elections
Executive branch: