Consumer Price Index Development in Riau Province, September 2026

In September 2026, Riau Province recorded year-on-year (y-o-y) inflation of 2.79 percent, with the Consumer Price Index (CPI) reaching 114.27. The highest inflation rate was recorded in Kampar Regency at 3.21 percent, with a CPI of 116.01, while the lowest was recorded in Dumai Municipality, with y-o-y inflation of 2.35 percent and a CPI of 114.31.

The y-o-y inflation was driven by price increases, as reflected in increases across all expenditure groups, namely: personal care and other services, which increased by 8.26 percent; followed by transport, which increased by 4.74 percent; health, by 3.28 percent; restaurants and accommodation services, by 3.17 percent; recreation, sport, and culture, by 2.49 percent; food, beverages, and tobacco, by 2.08 percent; information, communication, and financial services, by 2.01 percent; education, by 1.64 percent; housing, water, electricity, and household fuels, by 1.52 percent; furnishings, household equipment, and routine household maintenance, by 0.74 percent; and clothing and footwear, by 0.48 percent.

On a month-to-month (m-to-m) basis, Riau Province recorded inflation of 0.64 percent in September 2026. Meanwhile, on a year-to-date (y-to-d) basis, Riau Province recorded inflation of 1.84 percent.