Global tax data,
unfolded.
A precision instrument for reading income tax — six countries, fifty states, eighteen government sources. Every figure traceable. Every reading deterministic.
Six countries, at a glance.
Top statutory marginal rate for 2026, by jurisdiction. Each entry opens a calculator grounded in its authority of record.
| № | Jurisdiction | ISO | Cur. | Top rate | Brackets | Authority | Verified | |
|---|---|---|---|---|---|---|---|---|
| 01 | United States | US | USD | 37 % | 7 | Internal Revenue Service (IRS) | Apr 21 '26 | Open → |
| 02 | Canada | CA | CAD | 33 % | 6 | Canada Revenue Agency (CRA) | Apr 21 '26 | Open → |
| 03 | Spain | ES | EUR | 47 % | 6 | Agencia Tributaria | Apr 21 '26 | Open → |
| 04 | Germany | DE | EUR | 45 % | 5 | Bundesministerium der Finanzen | Apr 21 '26 | Open → |
| 05 | United Kingdom | GB | GBP | 45 % | 4 | HM Revenue & Customs (HMRC) | Apr 21 '26 | Open → |
| 06 | France | FR | EUR | 45 % | 5 | Direction Générale des Finances Publiques | Apr 21 '26 | Open → |
Math you can verify, context you can trust.
Two pipelines, strictly separated. Numeric figures come from statutory bracket tables; explanatory prose is grounded in cited publications. They never intermix.
Every figure is read directly from statutory bracket tables in Postgres. No AI participates in the numeric pipeline.
Every explanation cites a page from IRS, OECD, or national-authority publications. Retrieval-augmented, never invented.
Every reading includes its source document, section, and verification date. Audit any figure in under thirty seconds.
Sub-200 ms responses with intelligent caching. The slider moves; the brackets update the same frame.
“Every number on this site is a citation — a reading taken from a publication of record, set in type exactly as the publication sets it. We compute, but we do not invent.”