2007 Lisbon local by-election

[2] Another independent led by Helena Roseta, called Citizens for Lisbon, that congregated center-left to leftwing movements, gathered more than 10 percent of the votes and elected two councillors.

The Unitary Democratic Coalition presented Ruben de Carvalho as their mayoral candidate and won 9 percent of the votes and retained the two seats from 2005.

Turnout was the lowest ever, with just 36.7 percent of voters casting a ballot, a drop of 16 percentage points compared with 2005.

In the 2005 election, the Social Democratic Party led by Carmona Rodrigues, won a landslide victory with 42 percent of the votes and 8 councillors, defeating the Socialist Party candidate, Manuel Maria Carrilho, by a wide margin, which only gain 26.6 percent of the votes and 5 councillors.

[3] By 2007, a crisis in the management of the city erupted because of urban development plans regarding a company called Bragaparques.