It's really not an issue of visibility.
European countries tend to spend less of their money on military and more on social programs so that it's both harder to become homeless in the first place and, if it happens, there are programs to help you.
European countries tend to spend less of their money on military and more on social programs so that it's both harder to become homeless in the first place and, if it happens, there are programs to help you.
Many commenters here are extrapolating on their experiences in SF/Oakland/LA/Seattle/Portland and thinking the rest of the US has a commensurate homeless population. Spoiler: they don't.
There are many parallels between the current migration crisis and the Irish potato famine, though I'm not sure how they compare in scale.