The proportion answering yes to the euro in the survey was 32.0 percent in May this year. This can be compared to 34.4 percent the corresponding month last year.
The proportion saying no to the euro increased to 49.5 percent. That proportion was 46.1 percent last year.
The margin of error in the measurement is 1.5 percent for the yes votes and 1.6 percent for the no votes.
The proportion stating that they do not know how they would vote was 18.5 percent in May this year.
This year's survey of Swedish euro opinion – a part of SCB's large party sympathy survey – was conducted 29 April-28 May. SCB uses a random selection of 9,247 voters. The total number of respondents was 4,595, which corresponds to 49.7 percent, according to SCB.