Cost of living in Sylhet (Bangladesh) is about the same as in Aguascalientes (Mexico)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 288 prices entered by 26 different people.
For example, you would need at least Mex$ 27,237 (Taka 121,288) in Sylhet to maintain the same standard of living that you can have with Mex$ 27,000 in Aguascalientes.