The evidence behind every estimate.

Only estimates that depend on the sources below are paused. Open a source for its last successful check and current status.

• Income Tax Rates Act 1986: The official page text differs from our reviewed copy. The difference needs checking before dependent estimates resume; it may concern the rule or other page content.
• Income Tax Assessment Act 1997 — LITO: The official page text differs from our reviewed copy. The difference needs checking before dependent estimates resume; it may concern the rule or other page content.
• Income Tax Assessment Act 1997 — standard work deduction: The official page text differs from our reviewed copy. The difference needs checking before dependent estimates resume; it may concern the rule or other page content.
• Treasury Laws Amendment (Tax Reform No. 1) Act 2026: The latest automatic check could not retrieve or verify this official document. This does not establish that the tax rule changed. Estimates that depend on it are paused.
• Medicare Levy Act 1986: The official page text differs from our reviewed copy. The difference needs checking before dependent estimates resume; it may concern the rule or other page content.
• Treasury Laws Amendment (Delivering an Efficient and Trusted Tax System) Act 2026: The official page text differs from our reviewed copy. The difference needs checking before dependent estimates resume; it may concern the rule or other page content.
• Higher Education Support Act 2003: The official page text differs from our reviewed copy. The difference needs checking before dependent estimates resume; it may concern the rule or other page content.
• HELP minimum repayment income and replacement indexable amount 2026-27: The official page text differs from our reviewed copy. The difference needs checking before dependent estimates resume; it may concern the rule or other page content.
• Superannuation Guarantee (Administration) Act 1992: The official page text differs from our reviewed copy. The difference needs checking before dependent estimates resume; it may concern the rule or other page content.
• Taxation Administration Act 1953 — truncating return amounts: The official page text differs from our reviewed copy. The difference needs checking before dependent estimates resume; it may concern the rule or other page content.
• Medicare Levy Surcharge — income thresholds and rates: The official page text differs from our reviewed copy. The difference needs checking before dependent estimates resume; it may concern the rule or other page content.
• Treasury Laws Amendment (News Media Bargaining) (Consequential) Act 2026: The official page text differs from our reviewed copy. The difference needs checking before dependent estimates resume; it may concern the rule or other page content.
• Combatting Illicit Tobacco Act 2026: The official page text differs from our reviewed copy. The difference needs checking before dependent estimates resume; it may concern the rule or other page content.
• IRS: 2026 federal tax rate schedules: The official page text differs from our reviewed copy. The difference needs checking before dependent estimates resume; it may concern the rule or other page content.
• Germany: Einkommensteuergesetz section 32a: The latest connection to this official website timed out. No rule change was established. Estimates that depend on this source are paused.
• Inland Revenue: individual income tax rates: The official page text differs from our reviewed copy. The difference needs checking before dependent estimates resume; it may concern the rule or other page content.