U.S. State-Level Income Inequality Data - Mark W. Frank

My current research offers a comprehensive panel of annual state-level income inequality measures that I have constructed from individual tax filing data available from the Internal Revenue Service.

-       Updated September 2023 (for tax years 2019 and 2020)

A close-up of a list of states

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PDF of Tables for Top 10%, 1%, and 0.1% in 2020.

Frank-Sommeiller-Price Series

Annual Top Income Shares by U.S. State, 1917-2020:

Top 10%, Top 5%, Top 1%, Top 0.5%, Top 0.1% and Top 0.01% income share measures prepared for World Wealth & Income Database: (download in the Database section, wid.world)

For an explanation of the construction of this series, see: PDF by Frank, Sommeiller, Price, and Saez.

For construction of the full dataset (including the percentile thresholds), see:

Excel File (.xls), file includes notes on the variables & construction

Stata File (.dta)

For explanations, other measures and my prior work, see:

Frank, Mark. W. 2009 "Inequality and Growth in the United States: Evidence from a New State-Level Panel of Income Inequality Measure" Economic Inquiry, Volume 47, Issue 1, Pages 55-68: Web Link. PDF.

Original data used in the Economic Inquiry article:

Top 10% Share of Income, 1945-2004

Stata 9 Format (.dta)

Comma Separated File (.csv)

Human Capital Attainment, 1945-2004 (see below for an update on this data)

State 9 Format (.dta)

Comma Separated File (.csv)

Pooled MG Estimator used in the Economic Inquiry article:

Blackburne, Edward F. and Mark W. Frank 2007. "Estimation of Nonstationary Heterogeneous Panels." The Stata Journal, vol. 7, no. 2, pages 197-208: PDF

 

Frank, Mark. W. 2014 "A New State-Level Panel of Annual Inequality Measures over the Period 1916 - 2005" Journal of Business Strategies, vol. 31, no. 1, pages 241-263: PDF

 

Update on Other Measures of Income Inequality (Atkinson Index, Gini Coefficient, Relative Mean Deviation, Theil Index), 1917-2020:

Excel File (.xls)

Stata File (.dta)

 

 

 

State-Level Top 10% Income Shares, 1917-2020

A graph with blue and red lines

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Also: Top Income Shares by State since 1917 using US Thresholds

This is a newly constructed dataset showing the state-level location of those in the US top income groups (Top 10%, Top 5%, Top 1%, Top 0.5%, Top 0.1% and Top 0.01%).

For an explanation of this series, see: PDF by Frank.

For the full dataset: Excel File (.xls), or Stata File (.dta)

 

 

 

Annual State-Level Measures of Human Capital Attainment, 1940-2015:

High School and College Attainment

This data is revised and updated, see Frank (2009): Frank, Mark. W. 2009 "Inequality and Growth in the United States: Evidence from a New State-Level Panel of Income Inequality Measure" Economic Inquiry, Volume 47, Issue 1, Pages 55-68: Web Link. PDF.

Excel File (.xls)

Stata File (.dta)

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