The City of Mataram inflation in December 2018 of 0.53 percent occurred because of an increase in prices as indicated by an increase in the index of the Foodstuffs Group by 2.46 percent;Food, Beverages, Cigarettes & Tobacco Group amounting to The inflation rate of Mataram City in the calendar year (January - December 2018) is 3.15 percent, lower than the inflation for the calendar year (January - December 2017) of 3.59 percent.While the inflation rate "year to year" (December 2018 to December 2017) is 3.15 percent lower than the inflation rate of "year to year" (December 2017 to December 2016) of 3.59 percent.