Jakarta. Indonesia’s monthly inflation accelerated to 0.28% in May, more than doubling from 0.13% in April, as rising food prices drove up the cost of living, according to data released by the Central Statistics Agency (BPS) on Tuesday.

“The monthly inflation rate in May 2026 reached 0.28%, with the Consumer Price Index rising from 111.09 in April to 111.40 in May,” BPS Deputy for Statistical Methodology and Information Pudji Ismartini said during a press conference.

Indonesia’s year-to-date inflation stood at 3.08% in May, while annual inflation came in at 1.35%.

The food, beverages, and tobacco category was the largest contributor to monthly inflation, rising 0.39% and accounting for 0.12 percentage points of the overall increase.

“The main commodities driving inflation in this category were red chili peppers, which contributed 0.08 percentage points, followed by cooking oil and shallots at 0.04 percentage points each, tomatoes at 0.03 percentage points, and rice at 0.02 percentage points,” Pudji said.

Transportation was the second-largest contributor, posting inflation of 0.61% and adding 0.07 percentage points to the headline figure. The information, communication, and financial services category recorded inflation of 0.45%, contributing 0.03 percentage points.

“Other commodities contributing to inflation included household fuel, which added 0.03 percentage points, as well as gasoline and airfares, each contributing 0.02 percentage points,” she added.

Meanwhile, several commodities helped offset inflation. Broiler chicken meat and gold jewelry each contributed 0.06 percentage points to deflation, while chicken eggs contributed 0.05 percentage points.

Regionally, inflation was recorded in 31 provinces, while seven provinces experienced deflation. Maluku posted the highest inflation rate at 0.93%, while Gorontalo recorded the deepest deflation at 0.96%.

All major inflation components recorded increases in May. Core inflation rose 0.22% and provided the largest contribution to headline inflation at 0.14 percentage points. Key contributors included cooking oil, mobile phones, laptops, engine lubricants, prepared rice meals, and maintenance services.

Government-administered prices rose 0.52%, contributing 0.10 percentage points to inflation. The main drivers were household fuel, gasoline, airfares, machine-made kretek cigarettes, and diesel fuel.

The volatile food component increased 0.22%, contributing 0.04 percentage points. Red chili peppers, shallots, tomatoes, rice, and mustard greens were among the key contributors.

The data suggest that food supply conditions remain a major factor shaping inflation dynamics, with fluctuations in staple food prices continuing to influence overall consumer prices.

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