Thailand’s Immigration Bureau has ordered a nationwide crackdown on foreign visitors who may be overstaying their permitted stay. But the headline figure needs careful reading: the reported 10,000+ is an estimate of the wider overstayer population cited by the Immigration Bureau commissioner, not a confirmed list of 10,000 people arrested in one operation.
What happened in Bangkok?
On 19 October, Thai immigration officers and South Korean police arrested 10 suspects in raids at three Bangkok locations. The group comprised eight South Korean nationals and two Chinese nationals. Police allege that the properties were being used by a cross-border scam network targeting victims in South Korea.
The investigation reportedly began after a South Korean national was arrested for overstaying on 4 September. Authorities say the 10 suspects’ permissions to stay were revoked while investigators gathered evidence. The allegations remain subject to legal proceedings.
The Nation reported that Immigration Bureau commissioner Pol Lt Gen Nopasin Poolsawat ordered a nationwide search for foreign visitors overstaying their permission to stay, putting the total at more than 10,000. The same account was republished by The Star and is the basis for the Thai Examiner report supplied for this story.
The Immigration Bureau headquarters confirmed to Next Step Hua Hin this morning that the crackdown is ongoing nationwide.
Israeli man arrested after a 2,095-day overstay
The crackdown has also involved long-term overstayers.
On 23 October, Bangkok police arrested a 54-year-old Israeli man in Huai Khwang who was reported to have overstayed his permitted stay by 2,095 days—almost five years and nine months. Police also reported finding crystal methamphetamine at the condominium.
The man faces alleged immigration and narcotics-related offences. He denied that the drugs belonged to him, and the allegations remain subject to the legal process. The case was reported by The Nation.
This is a confirmed individual case. It does not establish that the wider estimate of more than 10,000 suspected overstayers represents 10,000 arrests.
Next Step Hua Hin reports will continue tracking confirmed immigration developments.
The crackdown is spreading beyond Bangkok
Reports also describe separate immigration operations in tourist destinations, border areas and major commercial centres.
- On 16 October, five foreign women were reportedly arrested across Koh Samui, Koh Phangan and Koh Tao for alleged overstays. One was reported to have remained in Thailand 799 days beyond her permitted stay.
- On 17 October, officers reportedly arrested more than 200 immigration offenders in Mae Sot, Tak province. The operation also involved eight drug cases and six online-gambling cases.
- In Rayong, immigration officers checked more than 100 Chinese nationals at entertainment venues while investigating possible official corruption. The outcome of that inquiry was not established in the available reports.
- On 22 October, police arrested a Chinese national in Si Racha after an overstay of approximately three years. The person was reportedly linked to a fraud investigation in China.
Immigration chief Nopasin also said on 1 October that authorities had refused entry to more than 81,000 foreigners since 1 October 2025—roughly 7,000 refusals per month. The statement followed the arrest in Kanchanaburi of a 33-year-old Chinese national who had reportedly overstayed by 578 days and was wanted in China over an alleged fraud case involving more than 200 million baht.
These cases provide context for the wider enforcement drive, but they should not be added together or presented as proof of 10,000 arrests in the current operation. The reports were published by ASEAN NOW and Thai Rath.
What the figure does — and does not — prove
The wording does not establish that 10,000 overstayers have been arrested, detained or deported since the Bangkok raids. It indicates the scale of the population Immigration says it wants officers to locate and process. The public reports do not provide a nationwide breakdown for this particular sweep.
Thailand’s government PRD reported in June that 14,161 overstayers and illegal workers had been arrested and processed for deportation under a broader campaign. That official aggregate covers a different period and combines categories, so it should not be added to — or substituted for — the October 10,000+ estimate.
What overstayers should do now
Anyone whose permission to stay has expired should check their passport stamp and immigration record immediately and obtain professional advice before travelling to a checkpoint. Thailand’s official guidance says the usual overstay fine is 500 baht per day, capped at 20,000 baht. Longer overstays can lead to detention, deportation and re-entry bans.
Next Step’s Thailand Visa News archive will follow confirmed developments, while our visa-extension service can help residents review their options. Read our related immigration enforcement fact-check for context.
Need help with an overstay?
Do not guess your next step. Seek qualified legal or immigration advice before reporting to Immigration, paying a fine or leaving Thailand. A professional can review your passport stamp, permitted-stay record and available options.
Bottom line
Ten people were arrested in the Bangkok case that triggered the latest warning. The 10,000+ figure is a reported enforcement estimate, not proof of 10,000 arrests. Visitors and residents should verify their permitted-stay date and act before an overstay becomes an enforcement case.
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