In Denmark I don't think everyone gets payments from the government regardless of need do they? The welfare system is just for people who are unemployed/disabled right? This doesn't really tell us much about how UBI would work since losing welfare benefits is a disincentive to work that you don't have with UBI.

This article says UBI has been controversial for a long time in Denmark but is on the political agenda again recently:

https://basisindkomst.dk/basic-income-borgerloen-in-denmark-...