Who Pays: A Distributional Analysis of the Tax Systems in All Fifty States (the sixth edition of the report) is the only distributional analysis of tax systems in all 50 states and the District of Columbia. This comprehensive report assesses tax fairness by measuring effective state and local tax rates paid by all income groups. No two state tax systems are the same; this report provides detailed analyses of the features of every state tax code. It includes state-by-state profiles that provide baseline data to help lawmakers and the public understand how current tax policies affect taxpayers at all income levels.