In January 2016, started the 2016 Metro City experienced inflation. Expenditure group that became the trigger of inflation is still dominated by foodstuffs with inflationary contribution of 0.6914 percent. The main cause of inflation in the food group was due to the increase in the index in the subgroup of spices. The next group of subsequent expenditure is the cause of inflation is food, beverages, cigarettes and tobacco with a 0.0442 percent share of inflation; housing, water, electricity, gas and fuel contributed to the inflation 0.0870 percent; clothing with a 0.0091 percent share of inflation; and health groups to share 0.0164 percent inflation. Education, recreation and sport do not change the index. While the group holding inflation rate this month is the transportation, communications and financial services with the deflation of 0.2005 percent. Index changes on the seventh group such spending leads to inflation at 0.64 percent of Metro City.
Commodities that contributed sizeable inflation during the month of January 2016 include the onion, red pepper, garlic, electricity, chicken, eggs, cigarette filters, rice, chili and mackerel.
Based on the calculation of the Consumer Price Index (CPI) in January 2016, inflation Metro City due to an increase in the index of foodstuff by 2.38 percent; food, beverages, cigarettes and tobacco with an inflation of 0.25 percent; housing, water, electricity, gas and fuel which increased the index by 0.41 percent; clothing were up 0.15 percent; and health groups which rose 0.24 percent. While the group index declines and restrain the inflation rate that is the transportation, communications and financial services with deflation of 1.60 percent.
Metro City again ranked 43 nationally. Of the 82 cities, 75 cities experienced inflation and 7 cities experienced deflation. The inflation occurred in Sibolga by 1.82 percent, while the lowest inflation of 0.02 percent in Padang. The highest deflation occurred in Gorontalo by 0.58 percent and the lowest in Tanjung Pandan deflation of 0.02 percent.
Metro City in January 2016 by calculating the rate of inflation (point to point) inflation of 0.64 and inflation year on year (year on year) amounted to 3.51 percent