Cost of living in Tartu (Estonia) is 35% cheaper than in Adelaide (Australia)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 901 prices entered by 81 different people.
For example, to keep the same standard of living that would require AU$5,000 in Adelaide you would need to make just about AU$3,263 (€2,057) in Tartu.