A lorry driver waits for a service station attendant to fill up the diesel tank at a PTT station in Nonthaburi on April 24. Pump prices rise due to the United States and Israel launched air strikes against Iran on Feb 28. (Photo: Pattarapong Chatpattarasill)

Thailand's headline ​consumer price index ‌rose by 2.79% in May from a year earlier, the Commerce Ministry said on Friday.The reading ​compared ⁠with a forecast increase of 3.10% in a Reuters poll, and ‌followed a rise of 2.89% in April.

April's rise was the first ⁠annual increase in the headline CPI since March 2025, and largest since February 2023.

The core CPI, which excludes ​volatile energy and fresh food prices, rose by 0.92% in ​May ‌from a year earlier.

June headline inflation was expected ​to ⁠rise and could reach 3%, Nantapong Chiralerspong, head of the ⁠Trade Policy and Strategy Office, told a briefing.