Venezuela (Bolivarian Republic of) is being the top country by CPI, (2010 = 100) in the world. As of 2015, CPI, (2010 = 100) in Venezuela (Bolivarian Republic of) was 730 index, 2010 = 100. The top 5 countries also includes Sudan, South Sudan, Iran, and Malawi.
Consumer price index reflects changes in the cost to the average consumer of acquiring a basket of goods and services that may be fixed or changed at specified intervals, such as yearly. The Laspeyres formula is generally used.