🇹🇭 Thailand

East Asia & Pacific · ISORA participant · ITTI survey participant

Thailand’s tax enforcement framework includes the statutory requirement for country-by-country reporting and the practical application of AI and machine-learning risk scoring. The jurisdiction does not enforce controlled foreign company rules or interest limitation rules, nor does it utilize automated bulk data matching. In 2022, tax revenue accounted for 16.7% of the country's GDP.Auto-generated summary of the verified data below; every fact traces to a source on this page.

16.7%
tax-to-GDP, general govt (2022, OECD)
7/11
enforcement powers assessed

Where the tax bite lands (2022)

Tax revenue by category, % of GDP, general government — OECD Revenue Statistics (Global).

Taxes on income, profits and capital gains of individuals and corporations
6.2%
Social security contributions (SSC)
0.7%
Taxes on property
0.4%
Taxes on goods and services
9.3%
Other taxes
0.1%

Who collects it (2022)

Level of government% of GDP
Central government14.6%
State/regional government1.4%
Social security funds0.7%

Tax-to-GDP over time

2000201020192022
15.3%17.6%17.2%16.7%

General government, OECD Revenue Statistics (Global).

Headline statutory rates

As stated in PwC Worldwide Tax Summaries’ territory overview (fetched 2026-08-20) — the wording is PwC’s; source.

TaxHeadline rate as stated
Headline PIT rate35
Headline CIT rate20
Standard VAT rate7
Headline individual capital gains tax rateCapital gains are subject to the normal PIT rate.
Headline corporate capital gains tax rateCapital gains are subject to the normal CIT rate.
WHT rates (%) (Dividends/Interest/Royalties)Thai corporate: 10 / 1 / 3; Non-resident corporate: 10 / 15 / 15
Headline net wealth/worth tax rateNA
Headline inheritance tax rate10
Headline gift tax rate5 NA stands for Not Applicable (i.e. the territory does not have the indicated tax or requirement) NP stands for Not Provided (i.e. the information is not currently provided in this chart)

Enforcement powers

AI & machine-learning risk scoring  Yes — documented practice

Self-reported in the OECD Inventory of Tax Technology Initiatives (2024 Global Survey on Digitalisation).

Survey question "Administration uses artificial intelligence" — answer: Yes

Source: OECD Inventory of Tax Technology InitiativesOECD / IMF survey data · derived from the administration’s own survey answer

Automated bulk data matching  No — power absent

Self-reported to ISORA (International Survey on Revenue Administration), FY2022.

ISORA indicator "Administration undertakes fully automated compliance checks based on data matching/analysis" — value: No

Source: IMF ISORA — International Survey on Revenue AdministrationOECD / IMF survey data · derived from the administration’s own survey answer

Crypto-asset reporting  Partial / committed

Listed by the OECD Global Forum as committed to implement the Crypto-Asset Reporting Framework in time for first exchanges by 2028 (list updated 17 June 2025).

Singapore, Thailand, Türkiye

Source: OECD Global Forum — Jurisdictions committed to implement the Crypto-Asset Reporting FrameworkOfficial source · quote machine-verified 2026-08-25

Citizenship-based taxation  No — power absent

Thailand taxes individuals by residence, not citizenship (PwC Worldwide Tax Summaries).

Thailand taxes its residents and non-residents on their assessable income derived from employment or business carried on in Thailand, regardless of whether paid in or outside Thailand.

Source: PwC Worldwide Tax Summaries — ThailandProfessional / legal analysis · quote machine-verified 2026-08-25

Controlled foreign company (CFC) rules  No — power absent

Recorded in the OECD Corporate Tax Statistics anti-avoidance rules dataset (2026).

OECD Corporate Tax Statistics: "Is there a controlled foreign company rule in place? · Not applicable" — No

Source: OECD Corporate Tax StatisticsOECD / IMF survey data · derived from the administration’s own survey answer

Interest limitation rules  No — power absent

Recorded in the OECD Corporate Tax Statistics anti-avoidance rules dataset (2026).

OECD Corporate Tax Statistics: "Is there an interest limitation rule in place? · Not applicable" — No

Source: OECD Corporate Tax StatisticsOECD / IMF survey data · derived from the administration’s own survey answer

Country-by-country reporting  Yes — statutory power

Recorded in the OECD Corporate Tax Statistics anti-avoidance rules dataset (0).

OECD Corporate Tax Statistics: "Is there a country-by-country reporting law in place?" — Yes

Source: OECD Corporate Tax StatisticsOECD / IMF survey data · derived from the administration’s own survey answer

Anti-avoidance regime detail (OECD Corporate Tax Statistics)

OECD-curated descriptions of this jurisdiction’s CFC, interest-limitation, CbCR and IP-regime rules.

CFC rules2 data points
Is there a controlled foreign company rule in place? · Regime 1No
Is there a controlled foreign company rule in place? · Not applicableNo
Interest limitation10 data points
Do any loss carry-back or carry-forward provisions apply? · Rule 1No
Is a de minimis threshold present? · Rule 1None
Is there a group ratio rule or similar type of rule in place? · Rule 1No
Is there an interest limitation rule in place? · Rule 1Yes
Is there an interest limitation rule in place? · Not applicableNo
Can interest be recharacterised as a dividend? · Rule 1No
Is the rule is applicable to net or gross interest expensing? · Rule 1Gross interest expense
Is the rule applicable to related party debt? · Rule 1Yes
Is the rule is applicable to third party debt? · Rule 1Yes
Are there targeted rules to address specific risks not addressed by the general rule? · Rule 1No
Country-by-country reporting4 data points
Is there a country-by-country reporting law in place?Yes
Deadline by which filings must be submitted12 months
Reports are required for MNEs with annual revenues aboveTHB 28,000,000,000
Headquarter jurisidiction filing required from01-Jan-21
IP regimes11 data points
Further information · Regime 2IP assets that generate royalties, including patents and copyrights.
Regime name · Regime 1International Business Centre
Regime name · Regime 2Regional operating headquarters regime
Status of the IP regime as determined by the OECD’s Forum on Harmful Tax Practices (FHTP). · Regime 1Not harmful
Status of the IP regime as determined by the OECD’s Forum on Harmful Tax Practices (FHTP). · Regime 2In the process of being amended
Asset types that can qualify for the IP regime · Regime 1Patents, Software
Asset types that can qualify for the IP regime · Regime 2Not restricted to three allowed asset categories
Tax rate that would otherwise apply · Regime 120.00%
Tax rate that would otherwise apply · Regime 220.00%
Reduced tax rate that applies under the IP regime · Regime 13%, 5%, 8%
Reduced tax rate that applies under the IP regime · Regime 210.00%

Effective corporate tax rates

MeasureYearRate
Capital allowances · Percentage of initial investment · Baseline · Country-specific interest and inflation rates · Acquired software · Not applicable202517.4%
Capital allowances · Percentage of initial investment · Baseline · Country-specific interest and inflation rates · Buildings · Not applicable202510.3%
Capital allowances · Percentage of initial investment · Baseline · Country-specific interest and inflation rates · Tangibles · Not applicable202516.5%
Capital allowances · Percentage of initial investment · Baseline · Fixed interest and inflation rates · Acquired software · Not applicable202518.5%
Capital allowances · Percentage of initial investment · Baseline · Fixed interest and inflation rates · Buildings · Not applicable202513.6%
Capital allowances · Percentage of initial investment · Baseline · Fixed interest and inflation rates · Tangibles · Not applicable202517.9%
Effective average tax rate · Percentage of taxable income · Baseline · Country-specific interest and inflation rates · Acquired software · Not applicable202518.1%
Effective average tax rate · Percentage of taxable income · Baseline · Country-specific interest and inflation rates · Composite · Not applicable202517.5%
Effective average tax rate · Percentage of taxable income · Baseline · Country-specific interest and inflation rates · Inventories · Not applicable202519.3%
Effective average tax rate · Percentage of taxable income · Baseline · Country-specific interest and inflation rates · Buildings · Not applicable202516.3%
Effective average tax rate · Percentage of taxable income · Baseline · Country-specific interest and inflation rates · Tangibles · Not applicable202516.1%
Effective average tax rate · Percentage of taxable income · Baseline · Fixed interest and inflation rates · Acquired software · Not applicable202518.9%
Effective average tax rate · Percentage of taxable income · Baseline · Fixed interest and inflation rates · Composite · Not applicable202518.4%
Effective average tax rate · Percentage of taxable income · Baseline · Fixed interest and inflation rates · Inventories · Not applicable202519.6%
Effective average tax rate · Percentage of taxable income · Baseline · Fixed interest and inflation rates · Buildings · Not applicable202517.6%
Effective average tax rate · Percentage of taxable income · Baseline · Fixed interest and inflation rates · Tangibles · Not applicable202517.7%
Effective marginal tax rate · Percentage of taxable income · Baseline · Country-specific interest and inflation rates · Acquired software · Not applicable202516.2%
Effective marginal tax rate · Percentage of taxable income · Baseline · Country-specific interest and inflation rates · Composite · Not applicable202513.2%
Effective marginal tax rate · Percentage of taxable income · Baseline · Country-specific interest and inflation rates · Inventories · Not applicable202522.0%
Effective marginal tax rate · Percentage of taxable income · Baseline · Country-specific interest and inflation rates · Buildings · Not applicable20257.8%
Effective marginal tax rate · Percentage of taxable income · Baseline · Country-specific interest and inflation rates · Tangibles · Not applicable20256.8%
Effective marginal tax rate · Percentage of taxable income · Baseline · Fixed interest and inflation rates · Acquired software · Not applicable202515.7%
Effective marginal tax rate · Percentage of taxable income · Baseline · Fixed interest and inflation rates · Composite · Not applicable202512.1%
Effective marginal tax rate · Percentage of taxable income · Baseline · Fixed interest and inflation rates · Inventories · Not applicable202521.6%
Effective marginal tax rate · Percentage of taxable income · Baseline · Fixed interest and inflation rates · Buildings · Not applicable20255.3%
Effective marginal tax rate · Percentage of taxable income · Baseline · Fixed interest and inflation rates · Tangibles · Not applicable20255.7%
Cost of capital · Percentage of investment · Baseline · Country-specific interest and inflation rates · Acquired software · Not applicable20256.2%
Cost of capital · Percentage of investment · Baseline · Country-specific interest and inflation rates · Composite · Not applicable20256.1%
Cost of capital · Percentage of investment · Baseline · Country-specific interest and inflation rates · Inventories · Not applicable20256.6%
Cost of capital · Percentage of investment · Baseline · Country-specific interest and inflation rates · Buildings · Not applicable20255.8%
Cost of capital · Percentage of investment · Baseline · Country-specific interest and inflation rates · Tangibles · Not applicable20255.7%
Cost of capital · Percentage of investment · Baseline · Fixed interest and inflation rates · Acquired software · Not applicable20253.5%
Cost of capital · Percentage of investment · Baseline · Fixed interest and inflation rates · Composite · Not applicable20253.4%
Cost of capital · Percentage of investment · Baseline · Fixed interest and inflation rates · Inventories · Not applicable20253.6%
Cost of capital · Percentage of investment · Baseline · Fixed interest and inflation rates · Buildings · Not applicable20253.2%
Cost of capital · Percentage of investment · Baseline · Fixed interest and inflation rates · Tangibles · Not applicable20253.2%

OECD Corporate Tax Statistics, baseline scenario.

Administration self-reported metrics (ISORA)

Reported by the administration itself to the IMF/OECD/CIAT/IOTA International Survey on Revenue Administration. 1 = yes, 0 = no for policy questions.

IndicatorYearValue
Percentage of tax returns - Electronic, not prefilled - CIT202492.42189261957996
Percentage of tax returns - Electronic, not prefilled - PIT202471.96211976698117
Percentage of tax returns - Electronic, not prefilled - VAT202491.06157160755068
Population per FTE20243669.073414222086
Labor force per FTE20242079.712128193314
Corporate taxpayers per FTE in LTO/P20247.399581589958159
Active taxpayers on PIT register as percentage of Population202416.47081987527183
Active taxpayers on PIT register as percentage of Labor Force202429.05817901215954
Closing stock of collectable arrears as percentage of closing stock of arrears202472.33583134296364
CIT arrears as percentage of CIT collected20248.732669974082276
PIT arrears as percentage of PIT collected202474.62549565055603
PAYE arrears as percentage of PIT collected20240.006353019912661334
VAT arrears as percentage of VAT collected202422.50696097514625
Percentage of tax returns - Electronic, fully pre-filled deemed acceptance - CIT20210
Percentage of tax returns - Electronic, fully pre-filled confirmation required - CIT20210
Percentage of tax returns - Electronic, partially pre-filled with income and/or expense information - CIT20210
Percentage of tax returns - Electronic, fully pre-filled deemed acceptance - PIT20210
Percentage of tax returns - Electronic, fully pre-filled confirmation required - PIT20210
Percentage of tax returns - Electronic, partially pre-filled with income and/or expense information - PIT202110.88716432
Percentage of tax returns - Electronic, fully pre-filled deemed acceptance - VAT20210
Percentage of tax returns - Electronic, fully pre-filled confirmation required - VAT20210
Percentage of tax returns - Electronic, partially pre-filled with income and/or expense information - VAT20210
Additional assessments raised through all audits and verification actions as percentage of tax collections20248.156521840816282
Audit hit rate202471.94681456200227
Percentage of tax returns - Electronic, not prefilled - PAYE202482.36023820595824
Percentage of tax returns - Electronic, prefilled, modified by taxpayer - CIT20240
Percentage of tax returns - Electronic, prefilled, not modified by taxpayer - CIT20240
Percentage of tax returns - Electronic, prefilled, modified by taxpayer - PIT202420.31148659554799
Percentage of tax returns - Electronic, prefilled not modified by taxpayer - PIT20240
Percentage of tax returns - Electronic, prefilled, modified by taxpayer - PAYE20240
Percentage of tax returns - Electronic, prefilled not modified by taxpayer - PAYE20240
Percentage of tax returns - Electronic, prefilled, modified by taxpayer - VAT20240
Percentage of tax returns - Electronic, prefilled not modified by taxpayer - VAT20240
Percentage of tax returns - Electronic, prefilled Total - CIT20240
Percentage of tax returns - Electronic, prefilled Total - PIT202420.31148659554799
Percentage of tax returns - Electronic, prefilled Total - PAYE20240
Percentage of tax returns - Electronic, prefilled Total - VAT20240
Availability of specific powers in legislation / regulation to assist in collecting tax arrears20221
On-time filing rate % - CIT202495.8289310261497
On-time filing rate % - PIT202498.0133452150461
On-time filing rate % - VAT202498.43513841843156
On-time filing rate % - PAYE202477.65232358747808
Administration pre-fills PIT returns or assessments20241
Categories of third party information used to pre-fill PIT returns or assessments-Income information: Other income20241
Categories of third party information used to pre-fill PIT returns or assessments-Income information: Wages and salaries20241
Categories of third party information used to pre-fill PIT returns or assessments-Income information: Pension20241
Categories of third party information used to pre-fill PIT returns or assessments-Income information: Interest20241
Categories of third party information used to pre-fill PIT returns or assessments-Income information: Dividends20241
Categories of third party information used to pre-fill PIT returns or assessments-Taxpayer personal information20241
Categories of third party information used to pre-fill PIT returns or assessments-Expense information: Donations20241
Categories of third party information used to pre-fill PIT returns or assessments-Expense information: School and university fees20241
Categories of third party information used to pre-fill PIT returns or assessments-Expense information: Childcare expenses20241
Categories of third party information used to pre-fill PIT returns or assessments-Expense information: Certain insurance premiums20241
Categories of third party information used to pre-fill PIT returns or assessments-Expense information: Pension/retirement contributions and savings20241
Categories of third party information used to pre-fill PIT returns or assessments-Expense information: Interest on loans and mortgages20241
Categories of third party information used to pre-fill PIT returns or assessments-Expense information: Other expenses20241
Administration conducts random audits20221
E-filing mandatory - CIT20220
E-filing mandatory - PIT20220
E-filing mandatory - Employer Withholdings20220
E-filing mandatory - VAT20220
E-payment mandatory - CIT20220
E-payment mandatory - PIT20220
E-payment mandatory - Employer Withholdings20220
E-payment mandatory - VAT20220
Employers withholding taxes on behalf of salaried employees20241
Percentage of payments received electronically-By number of payments202413
Percentage of payments received electronically-By value of payments202491
Cooperative compliance approach exists for -Large taxpayers20241
Cooperative compliance approach exists for -HNWI taxpayers20240
Cooperative compliance approach exists for -Other taxpayers20241
Most employees that have tax deducted through direct withholding required to file a return20241
Administration receives data from devices that register transactions20241
Administration uses electronic compliance checks as part of returns filing process20241
Administration has specialized audit staff for international tax issues20220
Administration has systems for importing, storing and managing third-party data - Customs data20221
Administration has systems for importing, storing and managing third-party data - Data from stock exchanges20221
Administration has systems for importing, storing and managing third-party data - Data from the Social Security Agency20221
Administration has systems for importing, storing and managing third-party data - Data from online (internet-based) vendors20221
Administration has systems for importing, storing and managing third-party data - Data from Utilities20221
Administration checks the quality of data reported by third parties on a systematic basis20221
Administration has systems for importing, storing and managing third-party data - Data on property ownership and sales20221
Administration undertakes fully automated compliance checks based on data matching/analysis20220
Administration measures the effectiveness of any compliance interventions undertaken20221
Administration has standards for auditor productivity20221

Tax technology survey answers (OECD ITTI)

QuestionAnswer
Personal income tax returns are automatically prefilled with income informationYes
Personal income tax returns are automatically prefilled with expense/allowance informationYes
Administration requires individuals to use an approved digital identity to access secure digital servicesYes
Administration requires businesses to use an approved digital identity to access secure digital servicesYes
Administration automatically prefills personal income tax returns with data that it has collectedYes
Administration automatically prefills corporate income tax returns with data that it has collectedNo
Administration automatically prefills value added tax returns with data that it has collectedNo
For certain personal income taxpayers, the administration prefills tax returns with all necessary data so that they do not need to change the returnYes
Digital identities provided for individuals are interoperable (if several bodies can provide a digital identity)Yes
Approved digital identity offered by the administration for businesses can also be used to access secure digital services from another government bodyNo
Approved digital identity offered by the administration for businesses can also be used to access secure digital services from a private sector bodyNo
Approved digital identity offered by the administration for individuals can also be used to access secure digital services from another government bodyYes
Approved digital identity offered by the administration for individuals can also be used to access secure digital services from a private sector bodyNo
Estimated percentage of the individual taxpayer population that uses an approved digital identity to access secure digital services offered by the administration81-100%
Estimated percentage of the business taxpayer population that uses an approved digital identity to access secure digital services offered by the administration0-20%
Online marketplaces (incl. sharing and gig economy)No
Other online platforms, e.g. stock trading, currencies (incl. crypto).Yes
Taxpayer accounting systemsNo
E-invoicing systemsYes
Online cash registersNo
Other government entitiesYes
Private entities such as banks and insurance companiesYes
Other jurisdictions (beyond data received under CRS, FATCA and DAC)No
Administration has a comprehensive data management strategyYes
Administration assesses data quality of reported dataYes
Administration has in place a data ethics frameworkYes
Administration controls user data access and securityYes
Administration automatically detects unauthorised accessYes
Administration employs a Data Privacy OfficerYes
Administration has a cyber security unitYes
Administration hires external parties to test the security of its systemsYes
Administration uses artificial intelligence as part of the data governance processNo
Administration has big data capabilities with the necessary people, skills and infrastructureYes
Administration uses an enterprise-wide Business Intelligence and Visualisation toolYes
Administration uses analytics for real-time tax fraud detection and preventionNo
Underlying digital identity solution for individuals is built upon an existing domestic identity system or completely newExisting domestic identity system
Underlying digital identity solution for businesses is built upon an existing domestic identity system or completely newCompletely new system
Cloud storageYes
Robotic process automationYes
Artificial intelligenceYes
Machine learningYes
Network analysisYes
DataOps approachYes
Automated provision of personalised information to stakeholdersYes
Virtual assistantsYes
Risk assessment processesYes
Detection of tax evasion and fraudYes
Assistance of tax officials in making administrative decisionsYes
Making recommendations for actionsYes
Making of final administrative decisionsNo
Dispute resolutionNo
To ensure the integrity of tax administration systems / processesYes
Other use casesNo
Administration reviews artificial intelligence source codeYes
Administration reviews artificial intelligence input informationYes
Administration probes and tests artificial intelligence responsesYes
Administration monitors artificial intelligence outputsYes
Administration takes other approachesNo
Third party reviews artificial intelligence source codeYes
Third party reviews artificial intelligence input informationYes
Third party probes and tests artificial intelligence responsesYes
Third party monitors artificial intelligence outputsYes
Third party takes other approachesNo
Industry, international or other framework was adopted for the development of the digital identity solution for individualsYes, for the whole digital identity solution
Industry, international or other framework was adopted for the development of the digital identity solution for businessesYes, for parts of the digital identity solution
Digital identity solution for individuals can connect with foreign identity systemsNo
Digital identity solution for businesses can connect with foreign identity systemsNo
Digital identity for individuals created automatically or on requestOn request
Digital identity for businesses created automatically or on requestOn request
Meeting needed to finalise the process of receiving a digital identity for individualsSometimes
Meeting needed to finalise the process of receiving a digital identity for businessesAlways
Individuals without ID-documents or birth certificates can receive a digital identity for the use of tax purposeNo
Authentication method applied to verify the digital identity when used onlineYes
Use of emerging and innovative technologies or solutions with respect to the main digital identity used by taxpayersYes
Administration offers online service for registering for tax (CIT)Yes
Administration offers online service for registering for tax (PIT)Yes
Administration offers online service for registering for tax (VAT)Yes
Administration offers online service for filing tax returns (CIT)Yes
Administration offers online service for filing tax returns (PIT)Yes
Administration offers online service for filing tax returns (VAT)Yes
Administration offers online service for making tax payments (CIT)Yes
Administration offers online service for making tax payments (PIT)Yes
Administration offers online service for making tax payments (VAT)Yes
Administration offers online service for requesting extensions of deadlines (filing and payment) (CIT)No
Administration offers online service for requesting extensions of deadlines (filing and payment) (PIT)No
Administration offers online service for requesting extensions of deadlines (filing and payment) (VAT)No
Administration offers online service for asking for tax payment arrangements (CIT)No
Administration offers online service for asking for tax payment arrangements (PIT)No
Administration offers online service for asking for tax payment arrangements (VAT)No
Administration offers online service for asking confidential enquiries in a secure environment (CIT)No
Administration offers online service for asking confidential enquiries in a secure environment (PIT)No
Administration offers online service for asking confidential enquiries in a secure environment (VAT)Yes
Administration offers online service for filing tax related objections (CIT)Yes
Administration offers online service for filing tax related objections (PIT)Yes
Administration offers online service for filing tax related objections (VAT)Yes
Administration offers online service for dealing with correspondence (CIT)Yes
Administration offers online service for dealing with correspondence (PIT)Yes
Administration offers online service for dealing with correspondence (VAT)Yes
Administration offers online service for uploading data into the tax administration's system (CIT)Yes
Administration offers online service for uploading data into the tax administration's system (PIT)Yes
Administration offers online service for uploading data into the tax administration's system (VAT)Yes
Administration offers specific approaches to those that do not have online accessYes
Administration offers facility for taxpayers to interact with virtual assistants, such as chatbotsYes
Administration uses artificial intelligence during interactions with taxpayers (other than virtual assistants)Yes
Administration offers services that follow a set of pre-programmed and automated service responses during interactions with taxpayers (other than virtual assistants)Yes
Administration makes a library of APIs publicly available for third party useYes
Jurisdiction simplified tax rules to allow for the prefilling of returns with all necessary dataNo
Administration has an enterprise data management (governance) system that allows taxpayer information be viewed across the administrationYes
Administration uses big data for analytical purposesYes
Administration uses artificial intelligence / machine learning as part of the big data analysisYes
Administration uses artificial intelligenceYes
Limitations exist on the use of artificial intelligenceYes
Administration has an ethical framework for the application of artifical intelligenceYes
Administration uses Distributed Ledger Technology, e.g. blockchain, in its taxation processesYes
Mobile appYes
Types of technologies or solutions used: Digital identity wallet solutionYes
Virtual assistant(s) follows a set of pre-programmed rules during interactions with taxpayersYes
Virtual assistant(s) uses artificial intelligence to personalise interactions with taxpayersYes
Use of big data to: Identify trendsYes
Use of big data to: Policy forecastingYes
Use of big data to: Revenue forecastingYes