Cost of living in Melbourne (Australia) is 89% more expensive than in Zapopan (Mexico)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 3,830 prices entered by 688 different people.
For example, you would need at least Mex$ 101,858 (AU$6,899) in Melbourne to maintain the same standard of living that you can have with Mex$ 54,000 in Zapopan.