Denmark is in a chronic baby shortage [1] and people in Western democracies are having less sex generally [2]. So, yay, less HPV. Go get vaccinated [3]. Unfortunately, there are some pretty significant (and sad, yes, sad) confounders.
[1] https://www.sdu.dk/en/nyheder/faldende-fertilitet
[2] https://www.google.com/search?q=western+democracies+decreasi...