The national inflation rate for the month of Tir of the year 1401 stood at 40.5 percent, fluctuating between 38.9 percent for the tenth decile (those with the highest income) and 44.8 percent for the first decile (those with the lowest income) among the expenditure deciles. The range of the twelve-month inflation changes in the major group of “food, beverages and tobacco” was between 54.2 percent for the fourth, fifth and sixth deciles and 55.9 percent for the first decile. The major group of “non-food items and services” also saw these fluctuations ranging from 31.6 percent for the sixth decile to 34.9 percent for the tenth decile.