Cost of living in Chengdu (China) is 53% cheaper than in Adelaide (Australia)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 957 prices entered by 127 different people.
For example, to keep the same standard of living that would require AU$7,800 in Adelaide you would need to make just about AU$3,644 (元18,257) in Chengdu.