{"slug":"thailand-social-security","name":"Thailand Social Security Contribution (2026 ceiling unfreeze)","category":"earn","tags":["income","employment","planning"],"region":"TH","tagline":"Your monthly SSO contribution under the 2026 ceiling rise — the ฿15,000 cap stood for 30 years, so the old ฿750 answer is everywhere and wrong.","endpoint":"https://xearno.tools/api/v1/tools/thailand-social-security","page":"https://xearno.tools/t/thailand-social-security","description":"Computes your Thai Social Security Office (SSO) contribution for Section 33 (employees), Section 39 (voluntary ex-employees), or Section 40 (informal workers). The Section 33 wage ceiling was frozen at ฿15,000/month from 1995 until the Royal Gazette announcement of 12 Dec 2025 raised it to ฿17,500 from 1 Jan 2026 — so the maximum employee contribution jumps from ฿750 to ฿875, with further phases to ฿20,000 (2029) and ฿23,000 (2032). Thirty years of the old number mean general AI and much of the Thai web still answer ฿750; this tool uses the phased schedule, and knows §39 stays on its frozen ฿4,800 base.","inputSchema":{"type":"object","properties":{"section":{"description":"Which SSO section are you under? The section decides everything: §33 is percentage-of-wage with a ceiling, §39 is a flat ฿432, §40 is a chosen flat option.","type":"string","enum":["33","39","40"],"default":"33"},"monthlyWage":{"description":"Monthly wage (฿) Gross monthly wage — used for Section 33 only. Contributions apply between the ฿1,650 floor and the year’s ceiling.","type":"number","minimum":0,"default":30000},"year":{"description":"Contribution year The ceiling rises in three phases: ฿17,500 (2026), ฿20,000 (2029), ฿23,000 (2032). Pick 2025 to see the old frozen ceiling.","type":"string","enum":["2025","2026","2029","2032"],"default":"2026"},"s40option":{"description":"Section 40 option Only used for Section 40. Higher options buy more benefit branches.","type":"string","enum":["1","2","3"],"default":"1"}},"required":[],"additionalProperties":false},"methodology":["Section 33 (employees): employee and employer each contribute 5% of the monthly wage, and the government adds 2.75%, with the wage clamped between the ฿1,650 floor and the ceiling. The ceiling was ฿15,000 from 1995 through 2025; the Royal Gazette announcement of 12 Dec 2025 raises it to ฿17,500 from 1 Jan 2026, ฿20,000 from 2029, and ฿23,000 from 2032 — maximum employee contributions of ฿875, ฿1,000, and ฿1,150 respectively.","Section 39 (voluntary continuation after leaving employment): a flat ฿432/month — 9% of a fixed ฿4,800 base that has never been updated and was not changed by the 2026 reform. There is no employer or government share on §39 in this tool’s scope.","Section 40 (informal workers): flat monthly options — ฿70 (option 1), ฿100 (option 2), or ฿300 (option 3) — buying successively more benefit branches. Unchanged by the reform.","The year selector picks the phase ceiling only; it does not prorate within a year. The temporary 3% rate (Dec 2025 – May 2026, 9 southern flood-relief provinces) is surfaced as an insight, not a compute path — it is regional, temporary, and employer-registration-dependent.","Benefits context: SSO old-age pension is computed as a percentage of the average capped wage over the final 60 months of contributions, so the ceiling directly bounds the pension base. This tool computes contributions, not benefits.","Sources: Royal Gazette announcement of 12 Dec 2025 (via BDO and DLA Piper client summaries), Ministry of Labour primary materials. Verified 2026-07-23."],"usage":"POST https://xearno.tools/api/v1/tools/thailand-social-security with a JSON body matching inputSchema."}