Cost of living in Yokohama (Japan) is about the same as in Aarhus (Denmark)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 565 prices entered by 40 different people.
For example, you would need at least kr27,429 (¥486,520) in Yokohama to maintain the same standard of living that you can have with kr27,000 in Aarhus.