Political parties and leaders: Democratic Party [Tom PEREZ]
Green Party [collective leadership]
Libertarian Party [Nicholas SARWARK]
Republican Party [Ronna Romney MCDANIEL]
Definition: This entry includes a listing of significant political parties, coalitions, and electoral lists as of each country's last legislative election, unless otherwise noted.
Source: CIA World Factbook - This page was last updated on January 20, 2018