JAKARTA - The Central Statistics Agency (BPS) reported that inflation in May 2026 increased compared to the previous month.
On a monthly basis (month-to-month/mtm), inflation was recorded at 0.28 percent in May 2026, higher than April 2026 which was 0.13 percent.
Meanwhile, the annual inflation (year-on-year/yoy) reached 3.08 percent, while the calendar year inflation (year-to-date/ytd) until May 2026 was at the level of 1.35 percent.
BPS Deputy for Methodology and Statistical Information Pudji Ismartini explained that the monthly inflation occurred along with the increase in the Consumer Price Index (CPI) from 111.09 in April to 111.40 in May 2026.
"In May 2026, inflation was 0.28 percent on a monthly basis, or an increase in the consumer price index from 111.09 in April 2026 to 111.40 in May 2026," he said in a press conference, Tuesday, June 2.
According to BPS, the increase in inflation was mainly influenced by the rise in the prices of a number of food commodities, such as red chilies, cooking oil, and onions, even though the post-Ramadan and Idulfitri price pressures have begun to ease.
However, Pudji said that the food, beverage, and tobacco group remained the largest contributor to inflation with an inflation rate of 0.39 percent and a contribution of 0.12 percent to general inflation.
Meanwhile, red chili is a commodity with the largest contribution to inflation, namely 0.08 percent, followed by cooking oil and red onions which each contributed 0.04 percent.
In addition, tomatoes contribute 0.03 percent, while rice contributes 0.02 percent, and price increases also occur in household fuels, such as LPG and non-subsidized fuels, which contribute 0.03 percent to inflation.
Meanwhile, gasoline and air transportation tariffs each contributed 0.02 percent.
On the other hand, several commodities still provide deflationary pressure that helps hold down the rate of price increases such as broiler meat as the largest contributor to deflation with a contribution of 0.06 percent, followed by gold jewelry and broiler eggs which each contributed to deflation of 0.06 percent and 0.05 percent.
Based on its forming components, all inflation groups recorded price increases during May 2026.
The core component experienced inflation of 0.22 percent with the largest contribution to monthly inflation, namely 0.14 percent, and the increase in this component was triggered by the increase in the price of cooking oil, mobile phones, laptops or notebooks, engine lubricants, rice with lauk, and vehicle maintenance costs.
Meanwhile, the government-regulated price components (administered prices) recorded inflation of 0.52 percent with a contribution of 0.10 percent, and the main driving factor came from the increase in the price of household fuel, gasoline, air transportation tariffs, machine kretek cigarettes, and solar.
The volatile food price component experienced inflation of 0.22 percent with a contribution of 0.04 percent, with an increase in prices in this group mainly due to red chilies, onions, tomatoes, rice, and green mustard.
In terms of regions, BPS recorded as many as 31 provinces experiencing inflation throughout May 2026, while seven other provinces experienced deflation, and the highest inflation occurred in Maluku with a figure of 0.93 percent, while the deepest deflation was recorded in Gorontalo at 0.96 percent.
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