2001 Federal Tax Gap Breakdown: Nonfiling, Underreporting, and Underpayment #1776223 (License: Personal Use)

The chart details the 2001 U.S. federal tax gap totaling $345 billion, broken into three primary components: nonfiling ($27B), underreporting ($285B), and underpayment ($33B). Underreporting is further segmented into individual income tax ($197B), employment tax ($54B), corporate income tax ($30B), and estate/excise tax ($4B), with bolded values indicating updated estimates based on detailed TY 01 NPR analysis. A legend clarifies color coding: green for actual amounts, blue for updated estimates, and yellow for estimates dependent on older data.

Used in government reports, tax policy articles, or educational resources explaining historical IRS compliance gaps; targets researchers, policymakers, and students seeking data-driven insights into tax evasion trends.