Only a month later, in October 2006, she was elected Leader of the Opposition in the City Council of Stockholm.[2] She decided to keep her seat in parliament for at least two months, citing her desire to fight for proposals made by Social-Democrats from Stockholm. While Carin Jämtin was one of the favourites to succeed Göran Persson as leader of the Social Democrats at the party's next congress in March 2007, her retention of the seat in parliament fuelled speculation that she might run for party leadership. It is generally considered that the next Social Democratic leader should be a member of parliament.