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Welcome to the UNC Tax Center’s Tax Data website, DaTax, a one stop shop to easily locate free data resources to support your research agenda. We plan to update this page as more datasets are become available. If you would like to request that we add your dataset, please email Jeff Hoopes, UNC Tax Center Research Director at hoopes@unc.edu.

Tim Loughran and Bill McDonald, University of Notre Dame Software Repository for Accounting and FinanceCompany headquarters and other header information 10-Kshttps://sraf.nd.edu/data/
Scott DyrengStates and countries in which a firm discloses material subsidiaries scraped from 10-Kshttps://sites.google.com/site/scottdyreng/Home/data-and-code
Maximilian Todtenhaupt, Johannes Voget, Lars P. Feld and Martin Ruf, Ulrich SchreiberBroad set of capital gains tax rates for corporationshttps://sites.google.com/view/todtenhaupt/data
Maximilian Todtenhaupt and Johannes VogetInformation on the taxation of cross-border dividends for a large set of countries from 2000-2015https://sites.google.com/view/todtenhaupt/data
OECDTax rates and statistics in the OECD member and inclusive framework countrieshttp://www.oecd.org/ctp/tax-policy/tax-database/
Nonprofit Explorer (Ken Schwencke, Mike Tigas, Sisi Wei and Alec Glassford, ProPublica, and Brandon Roberts)Summaries of 3 million Form 990 tax returns from tax-exempt organizations and see financial details such as their executive compensation and revenue and expenses https://projects.propublica.org/nonprofits/
Global MNC Tax Complexity Index (Deborah Schanz (LMU Munich), Caren Sureth-Sloane (Paderborn University) and team as part of TRR 266 Accounting for Transparency)Tax Complexity Index (TCI) measures the complexity of a country’s corporate income tax system as faced by multinational corporations. TCI cross-country data comprises a rich set of drivers and dimensions of tax code and tax framework complexity.https://www.taxcomplexity.org/
Internal Revenue ServiceStatistics of Income “SOI” Tables, articles, and data that describe and measure elements of the U.S. tax system https://www.irs.gov/statistics
DeloitteDeloitte International Tax Source, “DITS” Tax rates and information for 66 jurisdictions worldwide and country tax highlights for more than 130 jurisdictions https://dits.deloitte.com/
W.E. Upjohn Institute for Employment Research (Timothy Bartik)Panel Database on Incentives and Taxes “PDIT” state and local tax incentives https://www.upjohn.org/bied/national.php
Good Jobs FirstState and local job subsidies and ties between growth and jobs https://www.goodjobsfirst.org/
US CensusAnnual Survey of State Government Tax Collections (STC) https://www.census.gov/programs-surveys/stc.html