The Joint Committee on Taxation has released Overview Of The Federal Tax System As In Effect For 2022 (JCX-14-22):

This document … provides a summary of the present-law Federal tax system as in effect for 2022. The current Federal tax system has four main elements: (1) an income tax on individuals, estates, trusts, and corporations (which consists of both a “regular” income tax and, in the case of individuals, an alternative minimum tax); (2) payroll taxes on wages (and corresponding taxes on self-employment income) to finance certain social insurance programs; (3) estate, gift, and generation-skipping transfer taxes; and (4) excise taxes on selected goods and services. This document provides a broad overview of each of these elements.