Its a bad thing when the population of countries at the top of this list are decreasing, and those at the bottom increasing:

https://www.natureindex.com/country-outputs/generate/All/glo...

The taxes in Europe are too high and Government and Welfare programs need to be scaled way back. The fact that you have for example millions of young foreign men walking on foot all the way through the continent to access welfare-rich States indicates that something is amiss.