Cost of living in Puerto Vallarta (Mexico) is 32% cheaper than in Aalborg (Denmark)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 302 prices entered by 55 different people.
For example, to keep the same standard of living that would require kr26,000 in Aalborg you would need to make just about kr17,618 (Mex$ 51,055) in Puerto Vallarta.