消费价格指数，是测量一定时期内居民支付所消费商品和服务价格变化程度的相对数指标。它既是反映通货膨胀程度的重要指标，也是国民经济核算中的缩减指标。这一指标影响着政府制定货币、财政、消费、价格、工资、社会保障等政策。同时，也直接影响居民的生活水平评价。在世界 The consumer price index is a measure of the relative number of residents who pay for changes in the prices of goods and services consumed over a given period of time. It is not only an important indicator of the degree of inflation, but also a reduction indicator in the national economy. This indicator affects the government to formulate policies on currency, finance, consumption, prices, wages and social security. At the same time, it also directly affects the residents’ living standards. in the world