Is poverty neccessary?

Poverty is neccessary because in this global world people are considered according to their clasess if there were not social classes then the country governed by communism.Because the definition is the communism is a structure which block the classification of society.In the communism system there is no poverty because all the citizens of the country work for their country but any country can not success this system.For example,China was governed by communism and during that time China was very ordinary country but now China accept the new economic system and They are the one of the biggest economy in the world.Especially,Rich people can't accept to this system because they want to difference of people.May be poor people want to this system and they think poverty isn't neccesary everbody must be equal but as ı said that China and also Russia had this system.In result both of them change their system.Poverty is the obstacle of life but it is the neccessity of economic system