In the Russian Federation, nearly half of the households deemed very poor in 1992 were not classified as such a year later, demonstrating that the poor do not constitute a static group.
在俄罗斯联邦，1992年被视为非常穷的家庭尽一半在一年之后没有被划为此类家庭，表明穷人并不是一个固定不变的群体。