List of U.S. Senate seats up for reelection in the 2006 election. The states are color-coded: red meaning a Republican incumbent, blue meaning a Democratic incumbent, and yellow meaning an independent candidate. Gray means no seats in that state are up for reelection in 2006. Light blue means a Democratic incumbent didn't run for reelection and pink means that a Republican incumbent didn't. Yellow means that an independent didn't run for reelection.
first published at the en.wikipedia project as en:Image:2006 Senate election map.png by its author en:User:Byrdin2006
original PNG image created by en:User:Byrdin2006. Converted to SVG by: User:Amada44