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All projects By kind Tax datasets

Tax datasets: 90 open source projects.

Rates, treaties and statistics, open and versioned.

90 projects48 maintained40 on the map28 jurisdictions + globalFacts checked 6 Oct 2026

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Income tax Corporate tax Benefits Payroll tax VAT & indirect Cross-cutting

apparel-hs-codesOpen JSON database of apparel and textile HS codes with MFN duty rates for the US, EU, UK and Australia.Tax datasetUS · EU · UK · AU

code_tcja_profit_shiftingNotebooks and data for Garcia-Bernardo, Janský and Zucman on whether the TCJA cut profit shifting by US MNEs.Tax datasetUSLicence unknown

CPS Tax Filing UnitsUS Congressional Budget Office code that builds tax-filing units from Current Population Survey data.Tax datasetUS

cross_rulings_hts_dataset_for_tariffs18,731 US CBP CROSS rulings paired with HTS codes for tariff classification models (the ATLAS paper).Tax datasetUS

DeepCalc tax rate dataOpen tax rate data as JSON and an npm package: US federal income tax, EU VAT, US sales tax for 10 states.Tax datasetUS · EU

EU Tax DatasetEU VAT rates for all 27 member states, compiled from European Commission sources.Tax datasetEUPolyForm Internal Use 1.0.0

EU VAT Rates DataOfficial-source VAT rates for 45 European jurisdictions, machine-readable and checked daily.Tax datasetEU

GAAP-Implementation-ToolkitTracks how US public companies implement standards, ASC 740 among them, from SEC EDGAR data.Tax datasetUS

hmrc-exchange-ratesJSON mirror of HMRC's monthly exchange rates for customs and VAT, 2015 to 2026, updated automatically.Tax datasetUKLicence unknown

hs-code (ronnieaban)Hierarchical HS code classification dataset, one CSV of about 1 MB; no source or year on the card.Tax datasetGlobal

htsdataUS HTS data as JSON, served through jsDelivr.Tax datasetUSLicence unknown

International Technology Licensing, IP Rights and Tax Havens (Santacreu) replicationStata and Matlab replication package for Santacreu (REStat 2026) on technology licensing, IP and tax havens.Tax datasetGlobal

Japanese-English translation of contents HS codesJapan Post's list of 1,111 product names in Japanese and English with HS codes for international mail.Tax datasetJP

myTransferPricing referenceSummaries of 18 OECD transfer pricing country profiles, with a prompt that reviews a Local File against one.Tax datasetAT · BE · BR · DK · FR · DE · GR · IE · IT · LU · NL · PL · SG · ES · SE · CH · UK · US

OpenFisca France dataSurvey and administrative data inputs for OpenFisca France microsimulation.Tax datasetFR

OpenFisca France indirect taxation dataPrepares survey data for OpenFisca's French indirect-tax microsimulation.Tax datasetFR

OpenFisca Paraguay dataData for the OpenFisca Paraguay model.Tax datasetPYLicence unknown

OpenFisca policyHelpers for policy analysis on survey data with OpenFisca.Tax datasetGlobal

OpenFisca survey managerTool for managing the survey data used in OpenFisca microsimulations.Tax datasetGlobal

originshiftUS non-preferential rules of origin (19 CFR 102.20 and 102.21) as a machine-readable corpus with a CLI.Tax datasetUS

PolicyEngine UK dataBuilds calibrated UK household microdata for PolicyEngine, reweighted against national targets.Tax datasetUKLicence unknown

product_hscode11,509 product descriptions mapped to HS codes, with a train and test split; provenance undocumented.Tax datasetGlobal

profit-shifting-explorerPlotly web explorer of country-year and industry-year profit-shifting estimates from Delis et al. (JAE 2025).Tax datasetGlobalLicence unknown

PSL taxdataPrepares microdata for US tax microsimulation with Tax-Calculator.Tax datasetUS

stata-project-profit-shiftingStata project that replicates and updates the Atlas of the Offshore World profit-shifting series (TWZ 2023).Tax datasetGlobalLicence unknown

State Estate Tax DatasetUS state estate and inheritance tax exemptions and rates, as an open dataset.Tax datasetUS

taric-opendataAutomated mirrors of tariff data from 18 sources (EU TARIC, GB, NO, CH, US) plus EBTI and ATaR rulings.Tax datasetEU · UK · NO · CH · US · Global

Tax Compliance and Transfer Pricing survey (TRR 266)Results and questionnaire of a survey of German firms on tax compliance and transfer-pricing complexity.Tax datasetDELicence unknown

Tax Justice Network Data PortalTJN portal of 350+ data points on 195 countries: tax haven and financial secrecy indices.Tax datasetGlobalNon-commercial use only

Tax Treaty Overview (Taiwan Ministry of Finance)Taiwan's list of income tax treaties and treaty withholding rates, three CSV files under an open licence.Tax datasetTW

tax-microdata-benchmarkingDevelops a benchmarked general-purpose dataset for US tax reform analysis.Tax datasetUSLicence unknown

thai-customs-tariff-jsonParses the Thai Customs tariff master files into bilingual JSON by HS code, with WTO, FTA and ATIGA rates.Tax datasetTH

Trade-misinvoicing estimator replication40 Python scripts and cached UN Comtrade data for a paper on non-identified trade-misinvoicing estimators.Tax datasetGlobal

unitary-taxation (Tax Justice Network)Python pipeline estimating each country's revenue change under global unitary taxation from OECD CbCR data.Tax datasetGlobal

US Tax DatasetUS sales-tax rates, nexus thresholds and SaaS taxability, with a source for every record.Tax datasetUSPolyForm Internal Use 1.0.0

us-dividend-whtCC0 dataset of US dividend withholding rates for non-residents by country of residence, CSV and JSON.Tax datasetUS · Global

us-import-duty-hs6US duty rates by HS6 for consumer goods, including Section 301 and effective rates for Chinese origin.Tax datasetUS

us-sales-tax-20262026 US state sales-tax and lodging-tax rates for all 50 states, as an MIT-licensed dataset.Tax datasetUS

us-tariff-dataUS HTS as CSV and JSON with Chapter 99 duties by country, and EU duties by origin; a vendor's data dump.Tax datasetUS · EU

vat-rates (ibericode)Community-maintained collection of EU VAT rates, as a JSON file.Tax datasetEU

Are Spanish companies involved in profit shifting? (data)Amadeus firm panel (2005-2014) behind a 2017 paper on profit shifting between Spain and OECD and EU countries.Tax datasetESInactive since 2017

Assets in Periphery (Garcia-Bernardo, Stausholm) dataCountry and city counts of LinkedIn profiles by occupation (tax, transfer pricing, wealth) plus covariates.Tax datasetGlobalInactive since 2022

Atlas of the Offshore World (data downloads)EU Tax Observatory downloads: country estimates of profits shifted and tax lost, 2015-2020.Tax datasetGlobalInactive since 2023Licence unknown

CBCR (Dan-Kolar)Jupyter notebook and CSV of IRS country-by-country statistics; seminar material for a public economics course.Tax datasetUSInactive since 2022DemoLicence unknown

chapter_99_traversalTraversable CSV representation of HTS Chapter 99 from the USITC API.Tax datasetUSInactive since 2025Licence unknown

China in Tax Havens (replication)Stata, R and shell scripts plus public GCAP input data to replicate 'China in Tax Havens' (AEA P&P 2023).Tax datasetCN · GlobalInactive since 2024

CIAT Tax Treaty DatabaseExcel database of double tax treaties and information exchange agreements of CIAT member countries.Tax datasetGlobalInactive since 2024Licence unknown

Corporate tax database (Todtenhaupt)Stata dataset of corporate tax rules for 46 EU and OECD countries: rates, SME thresholds, WHT, depreciation.Tax datasetGlobalInactive since 2022

Customs-Declaration-Datasets54,000 synthetic customs import declarations generated with CTGAN by KAIST and GIST with Korea Customs.Tax datasetKR · GlobalDemo

dbs_empirical_analysisPython and Stata scripts for a master thesis on how MNEs' unrelated-party revenues respond to corporate tax.Tax datasetGlobalInactive since 2023Licence unknown

dibp.actcR data package of the Combined Australian Customs Tariff Nomenclature 2017.Tax datasetAUInactive since 2019Licence unknown

Digital services VAT ratesMachine-readable VAT rates for digital services in EU member states and special territories.Tax datasetEUInactive since 2025

ETR_GMT_replication (World Bank)Stata and R code to reproduce World Bank work on effective tax rates, firm size and the global minimum tax.Tax datasetGlobalInactive since 2025

EU Tax Observatory CbC reports (Data For Good)Some 400 public country-by-country reports (PDF, XLS) collected by the EU Tax Observatory, with CSV extracts.Tax datasetGlobalInactive since 2024Licence unknown

EU Tax Observatory tax deficit report (code and data)Input data, Stata do-files and output tables behind the EU Tax Observatory's 2021 tax deficit report.Tax datasetEU · GlobalInactive since 2021Licence unknown

Generation of machine-readable CbC reports with LLMs (Yusyn) dataOutputs of nine LLMs asked to turn eight text CbC test cases into OECD CbC XML (schema v2.0), as JSON and XML.Tax datasetGlobalInactive since 2025

Global profit shifting from CbCR micro data (Fuest et al.)Stata replication package for Fuest et al. (JEEA) on profit shifting measured in German CbCR micro data.Tax datasetDE · GlobalInactive since 2024

global-tax-treaty-networkNetwork analysis of bilateral tax treaties from OECD treaty-based withholding rate data, with CSV outputs.Tax datasetGlobalDemo

Harmonized Tariff Schedule of the United States 2025The 2025 US HTS as a clean dataset with text-model baselines predicting tariff outcomes; educational.Tax datasetUSInactive since 2025Demo

How Much MNCs Pay in Taxes (Godar) replicationStata, R Markdown and Excel files behind a paper on what MNCs pay in tax, from voluntary CbC reports.Tax datasetGlobalInactive since 2022

Knocking on Tax Haven's Door (replication)Stata do-files and country and sector data for a REStat 2018 paper on French export prices to tax havens.Tax datasetFRInactive since 2019

Long way to tax transparency (Godar) replicationStata code and hand-collected data on ten voluntarily published country-by-country reports, with outputs.Tax datasetGlobalInactive since 2023Licence unknown

Magento EU Tax RatesEU VAT rates as CSV files for import into Magento shops.Tax datasetEUInactive since 2025Licence unknown

MNCs and Tax Havens: CbCR (Garcia-Bernardo, Janský, Tørsløv)Jupyter notebooks and data behind a 2021 paper on effective tax rates and profit shifting to tax havens.Tax datasetUS · GlobalInactive since 2021

Monitoring Tax Compliance by MNEs: Chile (Bustos et al.) dataAEA P&P 2019 replication data for Bustos, Pomeranz, Vila-Belda and Zucman on monitoring MNEs in Chile.Tax datasetCLInactive since 2019Licence unknown

Multinationals' Sales and Profit Shifting in Tax Havens (data and code)Data, code and results for Laffitte and Toubal on US multinationals' sales and profits booked in tax havens.Tax datasetGlobalInactive since 2021Licence unknown

Offshore Profit Shifting and Aggregate Measurement (data and code)Data and code for Guvenen et al. on how US MNEs' profit shifting distorts US macro statistics, 1983-2016.Tax datasetUSInactive since 2022Licence unknown

Offshore_Profit_Shifting_Replication.jlJulia port of the Guvenen et al. (AER 2022) replication package on US offshore profit shifting measurement.Tax datasetUSInactive since 2023

Phantom FDI database (Damgaard, Elkjaer, Johannesen)Global FDI network 2009-2017 split into real and phantom FDI, with Stata code and a tax-exposure dataset.Tax datasetGlobalInactive since 2022Licence unknown

phd_thesis_rep (Heitmüller)R code and data behind the figures and tables of Frederik Heitmüller's PhD thesis on international tax rules.Tax datasetGlobalInactive since 2023Licence unknown

pillar-two-instruct1,463 synthetic instruction-response pairs on the OECD Pillar Two GloBE rules, for LLM research and tuning.Tax datasetGlobalDemo

PolicyEngine US dataBuilds representative US household microdata for PolicyEngine from survey data, calibrated to admin targets.Tax datasetUSArchivedLicence unknown

Profit shifting and revenue losses (Janský, Palanský) replicationStata do-file and results table for Janský and Palanský (2019) on profit shifting and tax revenue losses.Tax datasetGlobalInactive since 2021Licence unknown

Profit Shifting in a Globalized World (Dharmapala) dataAEA P&P 2019 replication data: a Stata dataset coding OECD countries' anti-avoidance measures 2000-2014.Tax datasetGlobalInactive since 2019Licence unknown

replication_cbcr (formulary apportionment)Jupyter notebook allocating US MNEs' IRS CbCR profits under formulary apportionment variants (GFA, IMF, OECD).Tax datasetUS · GlobalInactive since 2019Licence unknown

Royalty Taxation under Tax Competition (Juranek et al.) dataExcel data for Table 1 of Juranek, Schindler and Schneider (CJE 2023) on royalty taxation and profit shifting.Tax datasetGlobalInactive since 2023CC BY-NC 4.0

Searching for Profit-Shifting in China (replication)Stata firm sample (1998-2011) and programs reproducing 'Searching for Profit-Shifting in China' (Reed et al.).Tax datasetCNInactive since 2018

SEZs and BEPS Action 5 (Heitmüller, Mosquera)Zenodo snapshot of an R repository with data and code for a paper on special economic zones and BEPS Action 5.Tax datasetGlobalInactive since 2021

Synthetic Tax Dataset GeneratorPython scripts that generate synthetic US tax forms such as W-2, 1099 and 1040 as PDF documents.Tax datasetUSDemoFor individual taxpayersLicence unknown

synthetic_tariff_classification_products_kr27,562 synthetic Korean product descriptions paired with 10-digit HS codes and rationales.Tax datasetKRDemo

tariffs-profit-shiftingPython code and data for a capstone paper on whether Section 301 tariffs made US firms shift profits abroad.Tax datasetUSDemoLicence unknown

TaxDatasetGeneratorPython generator of synthetic US federal tax return data for testing and training.Tax datasetUSDemoFor individual taxpayersLicence unknown

TaxGraphKnowledge graph of multinationals and their links, where tax avoidance strategies are subgraph queries.Tax datasetGlobalInactive since 2020

Taxing across Borders (Zucman) dataJEP 2014 replication data for Zucman's 'Taxing across Borders': one Excel workbook and a short ReadMe.Tax datasetUS · GlobalInactive since 2019Licence unknown

Territorial Tax Reform and Profit Shifting (Hasegawa) replicationStata do-files for Hasegawa's paper on territorial tax reform and profit shifting by US and Japanese MNEs.Tax datasetUS · JPInactive since 2024

The Missing Profits of Nations (replication)Replication archive for Tørsløv, Wier and Zucman's The Missing Profits of Nations (REStud): data and Stata.Tax datasetGlobalInactive since 2022

Trade-IFFR scripts replicating Lepissier, Davis and Ibrahim (2021) on illicit financial flows from trade misinvoicing.Tax datasetGlobalInactive since 2022Licence unknown

Transfer Pricing by Multinational Firms (Cristea, Nguyen) dataReplication data for Cristea and Nguyen on transfer pricing in Danish exports, 1999-2006.Tax datasetDKInactive since 2021Licence unknown

TransferPricingSurvey (TRR 266)Aggregated Excel results of a 2020-21 survey of German MNE tax managers on inconsistent tax transfer prices.Tax datasetDEInactive since 2022

vynfi-group-audit-enterprise-2000Synthetic 2,000-entity group audit dataset: consolidation, intercompany eliminations and audit workpapers.Tax datasetGlobalDemo

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