Moa Wallin, political trendsetter at Sveriges Radio's P3, believes that one explanation could be the prevailing world situation.
- Now we have a war in Europe and a weak economy, and then you might go back to questions about basic security, she says in SVT's Morgonstudion.
Political scientist Tommy Möller believes that the rise probably has to do with the Moderates and Christian Democrats accepting SD as a partner party.
- It has lowered the threshold for many voters to vote for the Sweden Democrats.
From having been a distinct pariah party, you are more of a party among others, even if there is still a certain stigma around voting for SD.
Doubled SD support among first-time voters
Most notably, SD almost doubles its support among first-time voters, from 12 percent in 2018 to 22 percent in this year's election.
- It is usually said that the youngest voters are very sensitive to trends.
Since the Sweden Democrats are the winning party in the election, there is probably part of the explanation there, says Möller.
At the same time, he believes that young voters have both awareness and experience when it comes to substantive political issues on which SD went to the polls.
- Many young people feel with great certainty a concern about the increase in violence in public places.
"Åkesson has been a draw"
Henrik Ekengren Oscarsson, professor of political science, also emphasizes SD's policy as a factor in the party's success.
- SD is perceived to have the best policy regarding, for example, migration, law and order and energy - exactly the issues that we have had high on the agenda in this election campaign, he says.
The tendency for young people to have right-wing sympathies can also be seen in school choice.
There, M became the largest party with 27 percent of the votes and SD the second largest with 21 percent, according to preliminary figures.
Why do more young people vote right? Hear Moa Wallin's explanation in the clip above.