There are 16 clubs in Allsvenskan, increased from 14 participants from 2008 onwards. During the course of a season (starting in March and ending in October) each club plays the others twice (home and away) for a total of 30 games. The two lowest placed teams at the end of the season are relegated to Superettan and the top two teams from Superettan were promoted in their place. The third lowest team in Allsvenskan plays a relegation/promotion play-off against the third placed team in Superettan.