Archive < Individuals < SOI Report, Part 1 1934 to 1953 Statistics of Income Report, Part 1 Part 1 of the Statistics of Income Report includes annual data compiled from individual income tax returns, taxable fiduciary income tax returns (income reported for estates and trusts) and data from gift and estate tax returns. 1934PDF 1935PDF 1936PDF 1937PDF 1938PDF 1939PDF 1940PDF 1941PDF 1942PDF 1943PDF 1944PDF 1945PDF 1946PDF 1947PDF 1948PDF 1949PDF 1950PDF 1951PDF 1952PDF 1953PDF In addition to the SOI Report, Part 1, several supplemental reports were published from 1934 to 1940. These reports are found below. Individual Supplement Section I—1934PDF Number of Individual Income Tax Returns for 1934 Classified by Counties, Cities, and Net Income Classes Individual Supplement Section II—1934PDF Distribution and Sources of Individual Income Individual Supplement Section I—1936PDF Distribution and Sources of Individual Income Individual Supplement Section II & III—1936PDF Incomes of Husbands and Wives Filing Separate Returns, and Patterns of Income Individual Supplement Section IV—1936PDF Capital Gains and Losses Archive < Individuals < SOI Report, Part 1