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The main opposition party SDP still tops Yle's political support survey, but its popularity declined for a second consecutive month.
After reaching a near-record high of 25 percent earlier this year, the Antti Lindtman-led SDP's support is now 23.7 percent, down 0.4 percentage points from the previous month.
With parliamentary elections less than a year away, Prime Minister Petteri Orpo's National Coalition Party remains in second place with 17.6 percent support, up by a hair from the previous survey.
"Support for the National Coalition Party had been declining for several months. Now that decline has halted," notes Tuomo Turja, research chief at Taloustutkimus, which carries out the monthly poll for the public broadcaster.
There were only minor changes in support for the four largest parties, all falling within the two-point margin of error.
Centre and Finns Party vie for 3rd
The opposition Centre Party, led by Antti Kaikkonen, is in third place with 14.2 percent support. Meanwhile Finance Minister Riikka Purra's Finns Party is just behind with 13.9 percent support.
Support for the Centre Party edged down slightly, while that of the Finns Party went up by nearly half a percentage point.
"The gap between these two parties has narrowed; they're vying quite evenly for third place," Turja observes.
Three of the four governing parties saw their support rise slightly, but Education Minister Anders Adlercreutz's Swedish People's Party was down by just over half a point.
The combined support for the governing parties increased slightly to 38.7 percent after falling to 37.9 percent, the lowest level of its term in the previous month's survey.
Greens perk up
Beyond the major parties, the opposition Greens continue to pick up support, rising to 9.1 percent.
"The Greens have been increasing their support in small steps for three months now. Now, for the first time in a long time, the party has reached support of over nine percent," Turja points out. That's the party's best showing in an Yle poll since the autumn of 2023, a few months after Sofia Virta took over as the Greens' chair.
Taloustutkimus interviewed 2,378 adults from mainland Finland between 13 April and 5 May. Three quarters of respondents specified which party they would vote for if the parliamentary elections were held now. The margin of error is two percentage points in either direction.