Hey, so for anyone taking into account cost of living in travel plans or resettling, here's a simple straightforward map that tells you what to expect. You can look at salaries, but it doesn't always tell the whole story because some countries are expensive to live in despite the average person making very little money.
http://www.movehub.com/blog/living-costs-world-map
http://www.movehub.com/blog/living-costs-world-map