Political party strength in Guam

The following table indicates the party of elected officials in Guam, an unincorporated territory of the United States:
 * Governor
 * Lieutenant Governor
 * Attorney General

The table also indicates the historical party composition in the:
 * Territorial Legislature
 * Territory delegation to the United States House of Representatives

For years in which a presidential election was held, the table indicates which party's nominees won the island's presidential straw poll.