There are social choice theory definitions of seemingly reasonable criteria that are a measure of the fairness of certain aspects of voting, including non-dictatorship, unrestricted domain, non-imposition, Pareto efficiency, and independence of irrelevant alternatives but Arrow's impossibility theorem states that no voting system can meet all these standards. Yet in 2011, there has been a suggestion for a better and more fair voting system, which was actually suggested to developed countries, e.g. UK, US, etc.