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收入差距存在于世界各国,与发达国家相比,发展中国家居民收入差距更大。20世纪50年代以来,发展中国家居民收入差距的演变虽然各有其特点,不过多数国家居民收入差距呈现出长期扩大的趋势。从居民收入差距的大小来看,不同地区存在着差异,撒哈拉沙漠以南非洲发展中国家收入差距最高,拉美国家次之,亚洲国家相对最小。与发展中国家相比,中国目前的收入差距尚处于中等偏下水平,但并不意味着可以对居民收入差距的扩大采取听之任之的政策。
Income disparities exist in all countries in the world. Compared with developed countries, income disparity among residents in developing countries is even greater. Although the evolution of the income gap among residents in developing countries has its own characteristics since the 1950s, the income gap among residents in most countries shows a long-term trend of expansion. In terms of the size of the income gap among residents, there are differences in different regions. The income gap among developing countries in sub-Saharan Africa is the highest, followed by Latin American countries and the relatively smallest among Asian countries. Compared with developing countries, China’s current income gap is still at a lower-middle income level, but this does not mean that it can adopt a government-led policy to widen the income gap between residents.