Cost of living in Melbourne (Australia) is 80% 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 3,546 prices entered by 672 different people.
For example, you would need at least Mex$ 104,328 (AU$7,478) in Melbourne to maintain the same standard of living that you can have with Mex$ 58,000 in Zapopan.