A guide to International Financial Reporting Standards (IFRS). In addition to useful summaries of all current Standards and Interpretations, it includes a vast array of information about global accounting standard setting.
The Institute of Chartered Accountants in England and Wales (ICAEW) lists key auditing standard setters, institute, professional organisations and public bodies.
Accounting & Auditing Professional Associations: USA
The IFRS Foundation is an independent, not-for-profit organisation which aims to develop a single set of high quality and globally accepted international financial reporting standards (IFRSs) through its standard-setting body, the IASB (International Accounting Standards Board)
Very active research program based at ISER (University of Essex), offering tax-benefit microsimulation models for the EU & the UK that enables researchers to calculate the effects of taxes/benefits on household incomes and work incentives for each country and for the EU
Historical summary tables for income tax (1948-) and national insurance (1975-). More detailed data is available from the HMRC annual Survey of Personal Incomes
Compiled by the International Consortium of Investigative Journalists, data (1950-2016) comes mostly from the Panama Papers (2016) and Paradise Papers (2017) leaks.
Compiled by the European Commission covers all main taxes of EU member countries (personal income tax, corporate tax, VAT, harmonised excise duties, and main social security contributions.
Campaigning group promoting tax compliance & transparency, and opposing tax evasion & tax havens. New (2018-) Financial Secrecy Index. International research and advocacy in the field of tax and regulation, especially the harmful impacts of tax evasion, tax avoidance, tax competition and tax havens.