It probably is true but as with all cost/currency comparisons you can't really look at the raw pre-tax figures in isolation to know if someone has more buying power doing the same job in one country or another.
Everything from the price of broadband, pint of milk, loaf of bread, healthcare, car costs, etc etc contributes to someones buying power vs their salary
Everything from the price of broadband, pint of milk, loaf of bread, healthcare, car costs, etc etc contributes to someones buying power vs their salary