Interactive: U.S. House Seniority

This map visualizes the number of years officials have served in the U.S. House of Representatives, with darker shades representing longer seniority. Toggle the map below to see the members' political affiliations (red=Republicans; blue=Democrats). Read a related story.


CHANGE MAPS: Seniority | Political Party



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Sources: U.S. House Clerk | Download the data: .CSV | Built with Google Fusion Tables

Note: Map excludes congressional delegates in U.S. territories and the District of Columbia.

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