[2] In the 2007 Swiss federal elections, the SVP expanded their share of votes again, mostly at the expense of the Social Democrats (SPS).

Christoph Blocher, the de facto leader of the SVP, had become embroiled in a political scandal over the circumstances of the resignation of federal chief prosecutor Valentin Roschacher in 2006.

Under these circumstances, it was generally assumed that any attempt by the center-left parties in Parliament to unseat him must fail,[3] even though Blocher had made many personal opponents with his confrontational political style.

[5] Four days before the election, the Social Democrats contacted Eveline Widmer-Schlumpf to inform her that she would probably receive a substantial number of votes.

[3] At the same time, the Christian Democratic party chief, Christophe Darbellay, publicly indicated his opposition to Blocher and hinted that he would accept if elected in his stead.

[3] During the night, the Greens withdrew Recordon's candidacy and the center-left party leaders sought out support among individual representatives of the Free Democrats (FDP).

[3] The following candidates participated in the election: Source showing only the final votes in favor of each winner:[6] Moritz Leuenberger was re-elected during the first ballot.

Prior to the election, the Green group proposed a candidate of their own, State councillor Luc Recordon, to contest Blocher's seat.