Um... population growth is very strongly positively correlated with GDP growth. It's well acknowledged that Japan and Europe's economic problems are mainly dri

Um... population growth is very strongly positively correlated with GDP growth. It's well acknowledged that Japan and Europe's economic problems are mainly driven by aging and shrinking populations. But I also don't see how this relates to my point. I'm not making judgements, I'm hypothesizing about the reason for a trend.