The United States currently has on the order of 160–170 million individual taxpayers , depending on the tax year and how you define “taxpayer” (e.g., individual income tax returns versus all people who pay any federal tax).

What “how many taxpayers” usually means

Most official statistics count taxpayers as the number of individual income tax returns filed , not the number of people. A single return can cover:

  • One person (single filer)
  • Two adults (married filing jointly)
  • Plus dependents who may also have income but are not separate filers

So the taxpayer count is usually:

  • Roughly equal to the number of individual returns filed
  • Somewhat less than the total number of adults who pay some kind of federal tax (income, payroll, etc.)

Recent ballpark numbers

From IRS filing statistics and private aggregations of those data for recent years:

  • In recent tax years, the U.S. has seen around 165 million individual income tax returns filed in a typical year.
  • That translates to well over half of the U.S. population being represented on an income tax return in some way, because many returns represent households rather than single people.

A simplified way to think of it:

  • Total U.S. population: around 335–340 million
  • Individual income tax returns: about 160–170 million
  • People covered by those returns: easily over 200 million once spouses and dependents are included, though they may not all owe tax

Why the number moves over time

The count of taxpayers changes year to year because of:

  • Population growth and aging (more people entering the workforce)
  • Economic cycles (recessions or booms affecting employment and filing behavior)
  • Tax law changes (for example, higher standard deductions can reduce the number of people who owe income tax but not necessarily the number who file)

Quick snapshot style answer

If you just want a headline-style takeaway:

  • There are roughly 165 million U.S. individual income tax returns filed in a typical recent year, representing well over 200 million people in total.

Information gathered from public data and statistical summaries made available online.