> When it is too crowded people don’t have the instinct to make more people I don't think this is true, least not in the way you're saying it. Countries with l

> When it is too crowded people don’t have the instinct to make more people I don't think this is true, least not in the way you're saying it. Countries with low population densities (e.g. Canada, the US, Russia, Australia, Brazil) have equally low fertility as the denser countries like the UK and Denmark. Often a good bit lower - Canada has both lower fertility and an older median age than the UK, despite being massively bigger, with more immigration and comparable house prices (all while having way bigger houses).