Cost of living in Hiroshima (Japan) is 110% more expensive than in Zielona Góra (Poland)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 48 prices entered by 5 different people.
For example, you would need at least 11,120 zł (¥341,509) in Hiroshima to maintain the same standard of living that you can have with 5,300 zł in Zielona Góra.