Cost of living in Xiamen (China) is 68% more expensive than in Zhytomyr (Ukraine)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 144 prices entered by 17 different people.
For example, you would need at least 50,410₴ (元12,928) in Xiamen to maintain the same standard of living that you can have with 30,000₴ in Zhytomyr.