Cost of living in Nagasaki (Japan) 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 107 prices entered by 9 different people.
For example, you would need at least 50,504₴ (¥201,374) in Nagasaki to maintain the same standard of living that you can have with 30,000₴ in Zhytomyr.