Official Data Sources Directory
Worldlytic adheres to rigorous data integrity standards. We believe international financial estimates are only as trustworthy as their source origins. Below is our complete provenance index.
4. Licensing & Anti-Scraping Compliance Statement
Worldlytic is committed to ethical data engineering. We respect robots.txt protocols, open access guidelines, and statutory public sector information reuse directives (such as EU Directive 2019/1024 on open data).
Core Principles of Data Integrity
We never scrape crowdsourced aggregators whose terms of service prohibit redistribution or whose data collection lacks audit trails.
All national income tax brackets and social insurance limits are sourced directly from published governmental statutes and official tax authority documentation.
Cross-border price levels and purchasing power parity ratios are calibrated against multilateral economic datasets published by the World Bank, OECD, and Eurostat.
Statutory tax rules are reviewed each tax year, price baskets are validated semi-annually, and exchange rates are synchronized with central bank reference feeds.
2. Multilateral Living Cost & Price Level Databases
To ensure fair cross-border purchasing power and expense comparisons, we calibrate price levels against verified multilateral benchmarks:
Global partnership collecting standardized price data across hundreds of household goods and services to establish true Purchasing Power Parities (PPP).
Official European statistical office providing harmonized price inflation, consumer basket medians, and comparative price level indices across European member states.
Standardized purchasing power indices and national consumer expenditure distributions across OECD member economies.
3. Foreign Exchange Rate Benchmarks
All cross-currency comparisons utilize daily reference rates from the European Central Bank (ECB) and official multilateral exchange platforms. No hidden spreads or retail bank markups are applied to comparisons.
1. National Tax Authorities & Statutory Sources (18 Countries)
Every tax calculation in Worldlytic maps to primary documentation published by these official national revenue agencies:
| Country | Statutory Agency | Scope & Data Tracked |
|---|---|---|
| United States | Internal Revenue Service (IRS) | Federal brackets, standard deductions, FICA social security & Medicare limits + state tax schedules (CA, NY, TX, etc.) |
| United Kingdom | HM Revenue & Customs (HMRC) | Income tax bands, Personal Allowance, National Insurance contributions |
| Germany | Bundesministerium der Finanzen (BMF) | Progressive Einkommensteuertarif, Solidaritätszuschlag, statutory health, pension & nursing contributions |
| France | Direction Générale des Finances Publiques (DGFiP) | Barème progressif de l'impôt sur le revenu, CSG/CRDS, social welfare contributions |
| Australia | Australian Taxation Office (ATO) | Resident marginal tax brackets, Medicare levy, low-income tax offset (LITO) |
| India | Income Tax Department / CBDT | Union Budget New Tax Regime slabs, Section 87A rebate, standard deduction for salaried individuals |
| Singapore | Inland Revenue Authority of Singapore (IRAS) | Progressive resident individual income tax rates, CPF contribution limits |
| United Arab Emirates | Federal Tax Authority (FTA) | 0% personal income tax regime for expatriates and residents |
| Netherlands | Belastingdienst | Box 1 progressive wage tax, National Insurance (Volksverzekeringen), general tax credit |
| Spain | Agencia Estatal de Administración Tributaria (AEAT) | Combined state and autonomous community IRPF brackets, Social Security employee contributions |
| Portugal | Autoridade Tributária e Aduaneira (AT) | IRS progressive escalões, standard social security (Segurança Social) |
| Italy | Agenzia delle Entrate | IRPEF national progressive brackets, regional add-on estimates, INPS social contributions |
| Switzerland | Eidgenössische Steuerverwaltung (ESTV) | Direct Federal Tax (Direkte Bundessteuer) + cantonal/municipal multiplier schedules (Zurich baseline) |
| Ireland | Revenue Commissioners | Standard rate cut-off points, higher rate tax band, Universal Social Charge (USC), PRSI |
| Japan | National Tax Agency (NTA) | National progressive income tax, employment income deduction, statutory social health/pension deductions |
| Thailand | Revenue Department of Thailand | Personal Income Tax (PIT) progressive stepped brackets, standard personal allowances |
| Hong Kong SAR | Inland Revenue Department (IRD) | Progressive tax on net chargeable income vs standard rate comparison, basic allowance |
| Canada | Canada Revenue Agency (CRA) | Federal tax brackets, CPP/QPP contributions, EI premiums + provincial schedules (ON, BC) |
Notice a recent legislative tax update?
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