We need more of a Page Rank type of measure, where the inbound links (non-visa countries) are weighted by value. In reality though the true answer is something

We need more of a Page Rank type of measure, where the inbound links (non-visa countries) are weighted by value. In reality though the true answer is something like dual citizenship in Canada and an EU Country or similar. Example: I have friends who are Canadian/Romanian and hold tech degrees, so most of the world is wide-open to them.