Cost of living in Yono (Japan) is 46% more expensive than in Zhengzhou (China)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 88 prices entered by 6 different people.
For example, you would need at least 16,092元 (¥265,260) in Yono to maintain the same standard of living that you can have with 11,000元 in Zhengzhou.