1、Congressional Research Service The Library of CongressCRS Report for CongressReceived through the CRS WebOrder Code RS20397Updated December 12, 2002Tax Returns of Individuals: Statistical Chartsfor the Five Most Recent YearsArnold D. SolomonInformation Research SpecialistInformation Research Divisio
2、nSummaryThese basic statistics provide answers to some of the most frequently askedquestions concerning the federal individual income tax, including the number of returnsfiled, average tax per return, and income tax as percentage of adjusted gross income.This report will be updated as the Internal R
3、evenue Service (IRS) releases new orrevised statistics. The statistics provided by this report answer some of the most frequently requestedinformation on the federal individual income tax data, including:!Number of tax returns filed,!Total taxes collected,!Average tax per tax return by adjusted gros
4、s income, and!Federal income tax as a percentage of adjusted gross income.The Internal Revenue Service uses adjusted gross income (AGI) in its statisticalreports. AGI is gross income of taxpayers (single, joint filers, or head of household) lessqualified adjustments. Examples of these adjustments in