Financial Data Library
Verified financial data sourced from official government publications. All data is reviewed and updated at least annually following each tax year and reporting cycle. Use this library to access raw data and find related tools and resources.
Average Salary Data
State-level average annual salaries from the Bureau of Labor Statistics Occupational Employment and Wage Statistics survey. Includes mean annual wages across all occupations.
Cost of Living Data
State-level cost of living indices from the Bureau of Economic Analysis Regional Price Parities and the Council for Community and Economic Research. Includes overall index plus category breakdowns for housing, utilities, food, transportation, and healthcare.
Tax Data
State income tax rates and structures including progressive bracket rates, flat tax rates, and no-income-tax states. Property tax data includes effective property tax rates by state.
Mortgage Data
Median home values by state from Zillow Home Value Index. Home affordability metrics including home price-to-income ratios and estimated monthly mortgage payments.
Minimum Wage Data
State minimum wage rates including federal minimum wage states and states with above-federal minimum wages. Updated when states enact new minimum wage legislation.
Property Tax Data
Effective property tax rates by state, calculated as total property taxes paid divided by total home value. Rates vary significantly from under 0.5% to over 2.0%.
Last Updated: June 2026 — Reviewed Against Official Sources
Official Sources
United Kingdom calculators use data from the following official government agencies:
- HM Revenue & Customs (HMRC) — Income tax bands, National Insurance rates, and pension allowances.
- Office for National Statistics (ONS) — UK earnings data, CPI inflation, and economic statistics.
- MoneyHelper (UK) — Pension guidance, mortgage advice, and financial literacy resources.
Methodology
Our UK calculators use tax bands, National Insurance rates, and contribution limits published by HMRC. Salary and economic data comes from the Office for National Statistics (ONS). Mortgage calculations use average UK interest rates and may vary by lender and individual circumstances. All figures are for educational purposes.
Data Sources
All tax brackets, contribution rates, and economic data used in our calculators are sourced from the official government publications listed above. Rates are updated at least annually to reflect the latest tax year and regulatory changes. Users should verify critical figures with official sources or qualified professionals.
Last updated: June 2026. Information may change; always verify with official sources.