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Taxable Estate Tax Returns as a Percentage of Adult Deaths, Selected Years of Death, 1934-2008.

2005 Metadata for U.S. Possessions Corporation Returns

S Corporation Table 5

Compendium of Federal Estate Tax and Personal Wealth Studies

The Statistics of Income (SOI) program produces data files compiled from samples of tax and information returns filed with the IRS. There's a wealth of information about the financial composition of individuals, business taxpayers, tax exempt organizations and more. Look here for some summary statistics from these files, as well as files from other IRS sources.

The main page for the Individual Tax Statistics area.

The Statistics of Income Bulletin is issued quarterly by the Statistics of Income Division of the Internal Revenue Service. This report provides the earliest published annual financial statistics obtained from the various types of tax and information returns filed, as well as information from periodic or special analytical studies of particular interest to students of the U.S. tax system, tax policymakers, and tax administrators.

Provides links to Statistics of Income data relating to international individuals.

The Statistics of Income Bulletin is issued quarterly by the Statistics of Income Division of the Internal Revenue Service. This report provides the earliest published annual financial statistics obtained from the various types of tax and information returns filed, as well as information from periodic or special analytical studies of particular interest to students of the U.S. tax system, tax policymakers, and tax administrators.

This report contains selected papers given at the 2006 annual meetings of the American Statistical Association and other professional conferences