Do as soon as you can if you want to - coming back is often an option. It's a lot more difficult to courage up to later on life, when you tend to have much more connections and emotions to whatever you're about to leave.
It's not always a bad thing to stay, of course, people have their reasons to both proceed with emigration and shaking it off, but it's much easier the sooner you go with it.
We also have free healthcare. You Americans are getting shafted from so many directions
I'm seriously considering immigrating elsewhere when I've finished university… It's nearly unlivable here.
Do as soon as you can if you want to - coming back is often an option. It's a lot more difficult to courage up to later on life, when you tend to have much more connections and emotions to whatever you're about to leave.
It's not always a bad thing to stay, of course, people have their reasons to both proceed with emigration and shaking it off, but it's much easier the sooner you go with it.