"Northern Europe" but Belgium/France/Germany. Welp, I guess the Nordics don't exist.
To be fair though, there are also about to be some severe floods in Lapland quite soon, albeit for a completely different reason: exceptionally warm spring weather melts the snow faster than usual causing rivers to flood.
The issue with these statistics is that they look at the average, which is heavily boosted by the exceptionally expensive weddings of the higher upper-class. The median is significantly lower.
https://silkstemcollective.com/median-and-average-wedding-cost/
Also I'm not American, maybe people there just spend a lot more on weddings in general than what I'm used to.