If you are thinking about migrating to a place where the collapse will be less likely to starve you to death, may I present my latest work:
https://steemit.com/economics/@l0k1/when-shtf-what-criteria-determine-the-safest-places-to-be
I am a big fan of Eastern Europe, but I think that the principles I have laid out in this article support the idea of southern Asia and South America as being good refuges as well. My intuition tells me that Eastern Europe is number one.