Poland Methodology
Transparent breakdown of how we calculate taxes, estimate costs, and source data for Poland.
Tax Calculation
Components
Income Tax
Progressive tax rates based on income brackets
Calculation Formula
Net = Gross - Tax - Social ContributionsData Sources
Cost of Living
Utility Costs
Electricity and gas prices from Eurostat Energy Statistics (H1 2025). Applied to average household consumption patterns.
Groceries & Daily Expenses
Based on OECD Purchasing Power Parities and national statistical office consumer price indices.
Transport
Public transport pass prices sourced from official municipal transport authority websites. Updated semi-annually.
Rent Data
Neighborhood Prices
Rent ranges derived from official government housing statistics and rental indices. We show min-max ranges to reflect actual market variability.
First-Hand vs Second-Hand
Where applicable (Sweden, Denmark), we differentiate between regulated first-hand contracts and market-rate second-hand rentals.
Update Frequency
Rent data is updated semi-annually (January and July) to reflect market changes while maintaining data stability.
Note: We do not use Numbeo or other crowdsourced platforms. All rent data comes from official government housing statistics to ensure reliability and consistency.
Exchange Rates
European Central Bank Rates
Live exchange rates fetched from the ECB Statistical Data Warehouse via the Frankfurter API. Rates update daily at 16:00 CET.
Disclaimer
While we strive for accuracy, all calculations are estimates for informational purposes only. Tax laws and cost of living vary based on individual circumstances. Always consult official government sources and qualified professionals for financial decisions.
Last methodology review: January 2026