> Every voting system is suboptimal in some sense due to Arrow's impossibility theorem. Arrow's theorem only talks about single-winner elections. Most of the w

> Every voting system is suboptimal in some sense due to Arrow's impossibility theorem. Arrow's theorem only talks about single-winner elections. Most of the world's countries use multi-winner electoral districts and some form of proportional voting for their Parliament elections, totally circumventing Arrow's theorem. https://en.wikipedia.org/wiki/Webster/Sainte-Lagu%C3%AB_method https://en.wikipedia.org/wiki/Webster/Sainte-Lagu%C3%AB_meth... https://en.wikipedia.org/wiki/D%27Hondt_method https://en.wikipedia.org/wiki/D%27Hondt_method