 Two areas related to income distribution where the US differs quite a bit from other developed countries are executive pay and unionization.Unions as a whole have been a force for raising pay and benefits for those with lower income.The percentage of workers belonging to unions has had a marked decline in the US not mirrored in other affluent countries such as America's neighbor Canada, despite a similarity in the "structural features" of the two countries economies and their workers' "propensities to join a union."