# Official sources for every rate > The list of official tax authority, central bank and labour law pages behind every calculator, with the date each was last checked. URL: https://paycheck-math.com/sources/ Breadcrumbs: Home > Official sources for every rate Language: en-US Every figure on the site comes from one of these official pages. The date shows when we last compared the live rules with the source. ## United States - [IRS tax year 2026 adjustments](https://www.irs.gov/pub/irs-drop/rp-25-32.pdf) checked Oct 29, 2026 ## US states - [Alabama](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Alaska](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Arizona](https://www.azleg.gov/legtext/57leg/2R/summary/H.HB4168_061726_SIGNED.DOCX.htm) checked Oct 29, 2026 - [Arkansas](https://www.dfa.arkansas.gov/wp-content/uploads/Withholding-Tax-Formula.pdf) checked Oct 29, 2026 - [California](https://www.ftb.ca.gov/about-ftb/newsroom/tax-news/2026/10.html) checked Oct 29, 2026 - [Colorado](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Connecticut](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Delaware](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [District of Columbia](https://app.cfo.dc.gov/services/fiscal_impact/pdf/spring09/FIS%20Fiscal%20Year%202027%20Budget%20Support%20Act%20of%202026.pdf) checked Oct 29, 2026 - [Florida](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Georgia](https://dor.georgia.gov/document/document/2026-employers-tax-guide-updated-june-2026/download) checked Oct 29, 2026 - [Hawaii](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Idaho](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Illinois](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Indiana](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Iowa](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Kansas](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Kentucky](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Louisiana](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Maine](https://www.maine.gov/revenue/sites/maine.gov.revenue/files/2026-05/ind_tax_rate_sched_2026_rev.pdf) checked Oct 29, 2026 - [Maryland](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Massachusetts](https://www.mass.gov/info-details/massachusetts-tax-rates) checked Oct 29, 2026 - [Michigan](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Minnesota](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Mississippi](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Missouri](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Montana](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Nebraska](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Nevada](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [New Hampshire](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [New Jersey](https://www.nj.gov/treasury/taxation/pdf/current/1040i.pdf) checked Oct 29, 2026 - [New Mexico](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [New York](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [North Carolina](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [North Dakota](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Ohio](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Oklahoma](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Oregon](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Pennsylvania](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Rhode Island](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [South Carolina](https://www.scstatehouse.gov/sess126_2025-2026/fiscalimpactstatements/H4216%202026-03-30%20signed.pdf) checked Oct 29, 2026 - [South Dakota](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Tennessee](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Texas](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Utah](https://taxnews.ey.com/news/2026-1045) checked Oct 29, 2026 - [Vermont](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Virginia](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Washington](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [West Virginia](https://tax.wv.gov/Individuals/Pages/PersonalIncomeTaxReductionBill.aspx) checked Oct 29, 2026 - [Wisconsin](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 - [Wyoming](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/) checked Oct 29, 2026 ## US local income taxes - [New York City](https://www.tax.ny.gov/forms/html-instructions/2025/it/it201i-2025.htm#nyc-tax-rate-schedule) checked Oct 29, 2026 - [Yonkers](https://www.tax.ny.gov/pdf/publications/withholding/nys50_t_y.pdf) checked Oct 29, 2026 - [Philadelphia](https://www.phila.gov/services/payments-assistance-taxes/business-taxes/wage-tax-employers/) checked Oct 29, 2026 - [Pittsburgh](https://www.pittsburghpa.gov/City-Government/Finances/Taxes) checked Oct 29, 2026 - [Detroit](https://detroitmi.gov/taxonomy/term/2286) checked Oct 29, 2026 - [Grand Rapids](https://www.grandrapidsmi.gov/Government/Departments/Income-Tax-Department/Guide-for-Individuals) checked Oct 29, 2026 - [Kansas City](https://www.kcmo.gov/city-hall/departments/finance/earnings-tax) checked Oct 29, 2026 - [St. Louis](https://www.stlouis-mo.gov/government/departments/collector/earnings-tax/file-earnings-tax.cfm) checked Oct 29, 2026 - [Columbus](https://www.columbus.gov/files/sharedassets/city/v/4/city-auditor/tax-forms/individuals/2025-ir-25-instructions.pdf) checked Oct 29, 2026 - [Cleveland](https://www.ccaohio.gov/sites/default/files/2025-12/2026%20Withholding%20Form-i.pdf) checked Oct 29, 2026 - [Cincinnati](https://www.cincinnati-oh.gov/finance/income-taxes/) checked Oct 29, 2026 - [Toledo](https://toledo.oh.gov/pay-taxes/faq) checked Oct 29, 2026 - [Akron](https://www.akronohio.gov/departments/finance/individual_joint_filers.php) checked Oct 29, 2026 - [Dayton](https://www.daytonohio.gov/DocumentCenter/View/10279/R-1-Web-Version-BLANK) checked Oct 29, 2026 - [Louisville](https://louisvilleky.gov/government/revenue-commission/ol-3-tax-form-instructions) checked Oct 29, 2026 - [Lexington](https://lexingtonky.gov/node/659) checked Oct 29, 2026 - [Birmingham](https://1819news.com/news/item/state-sen-jones-files-bill-capping-local-occupational-taxes-at-1) checked Oct 29, 2026 - [Wilmington](https://wilmingtonde.gov/home/showpublisheddocument/462/638206223264700000) checked Oct 29, 2026 - [Maryland local income tax rates](https://www.marylandcomptroller.gov/content/dam/mdcomp/md/state-payroll/memos/2026/2026-maryland-state-and-local-withholding-information.pdf) checked Oct 29, 2026 - [Indiana county income tax rates](https://www.in.gov/dor/files/dn01.pdf) checked Oct 29, 2026 - [Portland](https://multco.us/file/metro_%26_multnomah_county_opt_form_2026_-_english-2/download) checked Oct 29, 2026 ## United Kingdom - [gov.uk/guidance/rates-and-thresholds-for-employers-2026-to-2027](https://www.gov.uk/guidance/rates-and-thresholds-for-employers-2026-to-2027) checked Oct 29, 2026 - [gov.uk/income-tax-rates](https://www.gov.uk/income-tax-rates) checked Oct 29, 2026 - [gov.uk/scottish-income-tax](https://www.gov.uk/scottish-income-tax) checked Oct 29, 2026 - [gov.uk/individual-savings-accounts](https://www.gov.uk/individual-savings-accounts) checked Oct 29, 2026 - [gov.uk/tax-on-your-private-pension/annual-allowance](https://www.gov.uk/tax-on-your-private-pension/annual-allowance) checked Oct 29, 2026 - [gov.uk/vat-rates](https://www.gov.uk/vat-rates) checked Oct 29, 2026 ## Canada - [canada.ca/en/revenue-agency/services/tax/individuals/tax-rates-brackets/current-year.html](https://www.canada.ca/en/revenue-agency/services/tax/individuals/tax-rates-brackets/current-year.html) checked Oct 29, 2026 - [canada.ca/en/revenue-agency/services/forms-publications/payroll/t4127-payroll-deductions-formulas/t4127-jul/t4127-jul-payroll-deductions-formulas.html](https://www.canada.ca/en/revenue-agency/services/forms-publications/payroll/t4127-payroll-deductions-formulas/t4127-jul/t4127-jul-payroll-deductions-formulas.html) checked Oct 29, 2026 - [canada.ca/en/revenue-agency/services/forms-publications/payroll/t4127-payroll-deductions-formulas/t4127-jan/t4127-jan-payroll-deductions-formulas-computer-programs.html](https://www.canada.ca/en/revenue-agency/services/forms-publications/payroll/t4127-payroll-deductions-formulas/t4127-jan/t4127-jan-payroll-deductions-formulas-computer-programs.html) checked Oct 29, 2026 - [canada.ca/en/revenue-agency/services/tax/businesses/topics/payroll/payroll-deductions-contributions/canada-pension-plan-cpp/cpp-contribution-rates-maximums-exemptions.html](https://www.canada.ca/en/revenue-agency/services/tax/businesses/topics/payroll/payroll-deductions-contributions/canada-pension-plan-cpp/cpp-contribution-rates-maximums-exemptions.html) checked Oct 29, 2026 - [canada.ca/en/employment-social-development/programs/pensions/pension/statistics/2026-quarterly-october-december.html](https://www.canada.ca/en/employment-social-development/programs/pensions/pension/statistics/2026-quarterly-october-december.html) checked Oct 29, 2026 - [canada.ca/en/revenue-agency/services/tax/businesses/topics/payroll/payroll-deductions-contributions/employment-insurance-ei/ei-premium-rates-maximums.html](https://www.canada.ca/en/revenue-agency/services/tax/businesses/topics/payroll/payroll-deductions-contributions/employment-insurance-ei/ei-premium-rates-maximums.html) checked Oct 29, 2026 - [canada.ca/en/revenue-agency/services/tax/registered-plans-administrators/pspa/mp-rrsp-dpsp-tfsa-limits-ympe.html](https://www.canada.ca/en/revenue-agency/services/tax/registered-plans-administrators/pspa/mp-rrsp-dpsp-tfsa-limits-ympe.html) checked Oct 29, 2026 - [canada.ca/en/revenue-agency/services/tax/businesses/topics/gst-hst-businesses/charge-collect-which-rate/calculator.html](https://www.canada.ca/en/revenue-agency/services/tax/businesses/topics/gst-hst-businesses/charge-collect-which-rate/calculator.html) checked Oct 29, 2026 - [canada.ca/en/revenue-agency/services/forms-publications/payroll/t4032-payroll-deductions-tables/t4032mb-jan/t4032mb-january-general-information.html](https://www.canada.ca/en/revenue-agency/services/forms-publications/payroll/t4032-payroll-deductions-tables/t4032mb-jan/t4032mb-january-general-information.html) checked Oct 29, 2026 - [revenuquebec.ca/en/citizens/income-tax-return/completing-your-income-tax-return/income-tax-rates/](https://www.revenuquebec.ca/en/citizens/income-tax-return/completing-your-income-tax-return/income-tax-rates/) checked Oct 29, 2026 - [revenuquebec.ca/en/businesses/source-deductions-and-employer-contributions/employers-principal-changes-for-2026/](https://www.revenuquebec.ca/en/businesses/source-deductions-and-employer-contributions/employers-principal-changes-for-2026/) checked Oct 29, 2026 - [ca.andersen.com/manitoba-provincial-budget-tax-updates-2026-2027/](https://ca.andersen.com/manitoba-provincial-budget-tax-updates-2026-2027/) checked Oct 29, 2026 ## Australia - [legislation.gov.au/C2004A03348/latest/text](https://www.legislation.gov.au/C2004A03348/latest/text) checked Oct 29, 2026 - [legislation.gov.au/C2025A00028/asmade/text](https://www.legislation.gov.au/C2025A00028/asmade/text) checked Oct 29, 2026 - [legislation.gov.au/C2004A03351/latest/text](https://www.legislation.gov.au/C2004A03351/latest/text) checked Oct 29, 2026 - [legislation.gov.au/C2026A00058/asmade/text](https://www.legislation.gov.au/C2026A00058/asmade/text) checked Oct 29, 2026 - [legislation.gov.au/C2004A05138/latest/text](https://www.legislation.gov.au/C2004A05138/latest/text) checked Oct 29, 2026 - [legislation.gov.au/C2004A01234/latest/text](https://www.legislation.gov.au/C2004A01234/latest/text) checked Oct 29, 2026 - [legislation.gov.au/C2004A04402/latest/text](https://www.legislation.gov.au/C2004A04402/latest/text) checked Oct 29, 2026 - [legislation.gov.au/C2004A00446/latest/text](https://www.legislation.gov.au/C2004A00446/latest/text) checked Oct 29, 2026 - [ato.gov.au/tax-rates-and-codes/tax-rates-australian-residents](https://www.ato.gov.au/tax-rates-and-codes/tax-rates-australian-residents) checked Oct 29, 2026 - [ato.gov.au/tax-rates-and-codes/tax-rates-foreign-residents](https://www.ato.gov.au/tax-rates-and-codes/tax-rates-foreign-residents) checked Oct 29, 2026 - [ato.gov.au/rates/tax-tables/](https://www.ato.gov.au/rates/tax-tables/) checked Oct 29, 2026 - [ato.gov.au/tax-rates-and-codes/study-and-training-support-loans-rates-and-repayment-thresholds](https://www.ato.gov.au/tax-rates-and-codes/study-and-training-support-loans-rates-and-repayment-thresholds) checked Oct 29, 2026 - [ato.gov.au/individuals-and-families/super-for-individuals-and-families/super/growing-and-keeping-track-of-your-super/caps-limits-and-tax-on-super-contributions/concessional-contributions-cap](https://www.ato.gov.au/individuals-and-families/super-for-individuals-and-families/super/growing-and-keeping-track-of-your-super/caps-limits-and-tax-on-super-contributions/concessional-contributions-cap) checked Oct 29, 2026 - [ato.gov.au/individuals-and-families/super-for-individuals-and-families/super/growing-and-keeping-track-of-your-super/caps-limits-and-tax-on-super-contributions/non-concessional-contributions-cap](https://www.ato.gov.au/individuals-and-families/super-for-individuals-and-families/super/growing-and-keeping-track-of-your-super/caps-limits-and-tax-on-super-contributions/non-concessional-contributions-cap) checked Oct 29, 2026 - [ato.gov.au/individuals-and-families/medicare-and-private-health-insurance/medicare-levy/medicare-levy-reduction/medicare-levy-reduction-for-low-income-earners](https://www.ato.gov.au/individuals-and-families/medicare-and-private-health-insurance/medicare-levy/medicare-levy-reduction/medicare-levy-reduction-for-low-income-earners) checked Oct 29, 2026 ## Germany - [gesetze-im-internet.de/estg/__32a.html](https://www.gesetze-im-internet.de/estg/__32a.html) checked Oct 29, 2026 - [gesetze-im-internet.de/estg/__32.html](https://www.gesetze-im-internet.de/estg/__32.html) checked Oct 29, 2026 - [gesetze-im-internet.de/estg/__9a.html](https://www.gesetze-im-internet.de/estg/__9a.html) checked Oct 29, 2026 - [gesetze-im-internet.de/estg/__10c.html](https://www.gesetze-im-internet.de/estg/__10c.html) checked Oct 29, 2026 - [gesetze-im-internet.de/solzg_1995/__3.html](https://www.gesetze-im-internet.de/solzg_1995/__3.html) checked Oct 29, 2026 - [gesetze-im-internet.de/solzg_1995/__4.html](https://www.gesetze-im-internet.de/solzg_1995/__4.html) checked Oct 29, 2026 - [gesetze-im-internet.de/ustg_1980/__12.html](https://www.gesetze-im-internet.de/ustg_1980/__12.html) checked Oct 29, 2026 - [deutsche-rentenversicherung.de/DRV/DE/Ueber-uns-und-Presse/Presse/Meldungen/2025/25-10-08-bundeskabinett-sv-rechengroessen-vo-2026.html](https://www.deutsche-rentenversicherung.de/DRV/DE/Ueber-uns-und-Presse/Presse/Meldungen/2025/25-10-08-bundeskabinett-sv-rechengroessen-vo-2026.html) checked Oct 29, 2026 - [deutsche-rentenversicherung.de/KnappschaftBahnSee/DE/Aktuelles/Meldungen/2026/2026_01_02_Sozialversicherungsrechengroessen2026.html](https://www.deutsche-rentenversicherung.de/KnappschaftBahnSee/DE/Aktuelles/Meldungen/2026/2026_01_02_Sozialversicherungsrechengroessen2026.html) checked Oct 29, 2026 - [deutsche-rentenversicherung.de/BadenWuerttemberg/DE/Presse/Pressemitteilungen/2025/251222_Minijob.html](https://www.deutsche-rentenversicherung.de/BadenWuerttemberg/DE/Presse/Pressemitteilungen/2025/251222_Minijob.html) checked Oct 29, 2026 - [deutsche-rentenversicherung.de/DRV/DE/Experten/Arbeitgeber-und-Steuerberater/summa-summarum/Lexikon/B/beitragszuschlag_-abschlag_pflegeversicherung.html](https://www.deutsche-rentenversicherung.de/DRV/DE/Experten/Arbeitgeber-und-Steuerberater/summa-summarum/Lexikon/B/beitragszuschlag_-abschlag_pflegeversicherung.html) checked Oct 29, 2026 - [bundesgesundheitsministerium.de/beitraege](https://www.bundesgesundheitsministerium.de/beitraege) checked Oct 29, 2026 - [bundesgesundheitsministerium.de/service/begriffe-von-a-z/k/kinderlosenzuschlag.html](https://www.bundesgesundheitsministerium.de/service/begriffe-von-a-z/k/kinderlosenzuschlag.html) checked Oct 29, 2026 ## Gulf labour laws - [Federal Decree-Law No. 33 of 2021 (Regulation of Employment Relationship), Art. 51, as amended; Cabinet Resolution No. 1 of 2022 (Implementing Regulation)](https://www.mohre.gov.ae/assets/download/3bde4984/Federal%20Decree-Law%20No.%2033%20of%202021%20Regarding%20the%20Regulation%20of%20Employment%20Relationship%20and%20its%20amendments_638990571068264034.pdf.aspx) checked Oct 29, 2026 - [Saudi Labor Law (Royal Decree M/51 of 1426H), Arts. 84, 85, 87, 88; amendments effective 18 Feb 2025](https://laws.boe.gov.sa/BoeLaws/Laws/LawDetails/08381293-6388-48e2-8ad2-a9a700f2aa94/1) checked Oct 29, 2026 - [Labour Law No. 14 of 2004, Art. 54 (also Arts. 59, 61)](https://www.icnl.org/wp-content/uploads/Qatar_19_Qatar_LaborLaw_2004.pdf) checked Oct 29, 2026 - [Private Sector Labour Law No. 6 of 2010, Arts. 51-53; Art. 51 amended by Law No. 85 of 2017 (and a 2018 amendment)](https://www.mohamah.net/law/?p=141672) checked Oct 29, 2026 - [Labour Law promulgated by Royal Decree 53/2023, Art. 61 (also Arts. 40, 48, 96); Social Protection Law (Royal Decree 52/2023)](https://decree.om/2023/rd20230053/) checked Oct 29, 2026 - [Labour Law for the Private Sector No. 36 of 2012, Arts. 47, 116; SIO expatriate end-of-service scheme from 1 March 2024](https://www.lloc.gov.bh/Legislation/HTM/K3612) checked Oct 29, 2026 ## Reference rates - [us mortgage 30y (2026-10-22)](https://www.freddiemac.com/pmms) checked Oct 25, 2026 - [us mortgage 15y (2026-10-22)](https://www.freddiemac.com/pmms) checked Oct 25, 2026 - [us fed funds target (2026-09-17)](https://www.federalreserve.gov/monetarypolicy/openmarket.htm) checked Oct 25, 2026 - [uk bank rate (2025-12-18)](https://www.bankofengland.co.uk/monetary-policy/the-interest-rate-bank-rate) checked Oct 25, 2026 - [ca policy rate (2026-09-02)](https://www.bankofcanada.ca/core-functions/monetary-policy/key-interest-rate/) checked Oct 25, 2026 - [au cash rate (2026-09-30)](https://www.rba.gov.au/statistics/cash-rate/) checked Oct 25, 2026 - [ecb deposit rate (2026-09-16)](https://www.ecb.europa.eu/stats/policy_and_exchange_rates/key_ecb_interest_rates/html/index.en.html) checked Oct 25, 2026 - [uk avg 2y fixed mortgage (2026-09-30)](https://www.bankofengland.co.uk/boeapps/database/_iadb-fromshowcolumns.asp?csv.x=yes&Datefrom=01/Aug/2026&Dateto=now&SeriesCodes=IUMBV34,IUMB482,IUMBV42&CSVF=TN&UsingCodes=Y&VPD=Y&VFD=N) checked Oct 25, 2026 - [ca 5y conventional mortgage (2026-10-21)](https://www.bankofcanada.ca/rates/banking-and-financial-statistics/posted-interest-rates-offered-by-chartered-banks/) checked Oct 25, 2026 - [au avg variable owner occupier (2026-08-31)](https://www.rba.gov.au/statistics/tables/csv/f6-data.csv) checked Oct 25, 2026 - [us avg new car loan rate (2026-08)](https://www.federalreserve.gov/releases/g19/current/default.htm) checked Oct 25, 2026 - [us avg personal loan rate (2026-08)](https://www.federalreserve.gov/releases/g19/current/default.htm) checked Oct 25, 2026 - [us avg credit card apr (2026-08)](https://www.federalreserve.gov/releases/g19/current/default.htm) checked Oct 25, 2026