Skip to content
?!How to Adult

Lesson

Who needs to file taxes

Published:
October 12, 2026
Review status:
Needs verification — carefully written, not yet checked by a qualified professional

Log in or sign up to save lessons and track progress.

Needs verification

  • Exact current-year income thresholds that determine filing requirements, since these amounts are adjusted annually for inflation.

We left these specific numbers out until they're checked against current official sources.

AThe super simple explanation

Not everyone is required to file a federal tax return — it generally depends on your income level, filing status, and age.

The IRS sets a minimum income threshold each year; if you earn less than that, you may not be required to file.

Even if you're not required to file, it can still be worth filing if taxes were withheld from your paycheck, since you might get a refund.

Self-employed people often have a much lower threshold and usually must file if they earn even a small amount.

BWhy does this even matter?

  • Filing when you're not required to could mean missing out on a refund you're owed.
  • Not filing when you are required to can lead to IRS penalties, interest, and notices.
  • Understanding the rules helps you avoid confusion, especially the first time you start working or become self-employed.

COkay, how does it work?

Each year, the IRS publishes minimum income levels by filing status and age that determine who must file.

DShow me an example

A part-time employee with low income

Jasmine is a dependent student who earned $3,000 from a part-time job, with some federal tax withheld.

She isn't required to file based on her low income, but she files anyway to get back the tax that was withheld from her paychecks.

Illustrative example with made-up people and numbers — not current rates or rules.

EWords you should know

Gross income
What you earn before taxes and other deductions are taken out.
Filing threshold
The minimum income level at which the IRS requires someone to file a tax return.
Dependent
A person, usually a child or relative, who relies on you financially and may affect your taxes.
Self-employment tax
Social Security and Medicare tax paid by self-employed individuals, since there's no employer to split the cost.
More in “Words everyone pretends to know” →

FCommon mistakes

  • Assuming low income always means you don't need to file, without checking self-employment or other special rules.
  • Not filing because of low income and missing out on a refund of withheld taxes.
  • Ignoring filing requirements that apply regardless of income, like owing an early retirement withdrawal penalty.
  • Forgetting that being claimed as someone's dependent can lower your own filing threshold.

GThings to know

  • Filing thresholds change annually and vary by filing status (single, married, head of household) and age (65 and older often have a higher threshold).
  • Self-employed people generally must file if net earnings are $400 or more, regardless of total income.
  • Filing even when not required can result in a refund, especially if you qualify for refundable credits like the Earned Income Tax Credit.
  • States set their own filing requirements separately from federal rules.

HQuick recap

  • Whether you must file federally depends mainly on income, filing status, and age.
  • Self-employed people have a much lower filing threshold ($400 or more in net earnings).
  • Filing voluntarily can get you a refund even if you're not required to file.
  • Certain situations require filing regardless of income level.

IQuestions people are too embarrassed to ask

JQuiz me

Totally optional. Nobody's grading you.

Question 1

Q1. What generally determines whether you must file a federal tax return?

Question 2

Q2. What is the general self-employment filing threshold?

Question 3

Q3. Can filing voluntarily when not required ever benefit you?

KWhat next?

  1. 1.Check the current year's IRS filing thresholds for your filing status at IRS.gov.
  2. 2.If you had any tax withheld from a paycheck, consider filing even if it's not required.

Related lessons:

LTrustworthy resources