The election was held using a modified form of the Sainte-Laguë method of party-list proportional representation using the entire country as a single electoral constituency.

There is a threshold limit of 4 percent for Swedish elections to the European Parliament, so that any party not receiving at least four percent of the votes will not be allocated any seats.

[2] The eurosceptic June List saw the biggest slump in support, falling nearly 11% and losing all 3 seats.

The final results were published by the Swedish Election Authority on 11 June 2009.

[21] Municipalities in which European party groups received the most votes: