top of page
Search By Tag:

Who Is Eligible for Income Tax in the USA? A Comprehensive Guide

Tax Software Best Tax Software Professional

Income tax in the USA is a significant aspect of the financial responsibilities that residents and citizens need to navigate. Understanding who is eligible for income tax, the different types of filers, and the various thresholds and requirements is crucial for compliance and effective financial planning. This comprehensive guide will delve into the eligibility criteria for income tax in the USA, the different types of income that are taxed, and how to optimize your tax situation. Additionally, we will discuss the importance of maintaining a good credit score and provide resources for those needing assistance in improving their credit.

Understanding Income Tax Eligibility

Income tax eligibility in the USA is determined by several factors, including residency status, income level, filing status, and age. The Internal Revenue Service (IRS) sets specific guidelines to help taxpayers determine whether they need to file a tax return.

Residency Status

  1. US Citizens and Resident Aliens:

  • US Citizens: All US citizens are required to file a tax return if their income exceeds certain thresholds, regardless of where they live in the world.

  • Resident Aliens: Individuals who meet the Green Card Test or the Substantial Presence Test are considered resident aliens for tax purposes and are subject to the same filing requirements as US citizens.

  1. Nonresident Aliens:

  • Nonresident aliens are generally required to file a tax return if they earn income from US sources that is subject to withholding, or if they are engaged in a trade or business in the USA.

Income Thresholds

The IRS sets income thresholds that determine whether an individual must file a tax return. These thresholds vary based on filing status and age. For the 2023 tax year, the thresholds are as follows:

  • Single Filers: $12,950 if under 65, $14,700 if 65 or older.

  • Married Filing Jointly: $25,900 if both spouses are under 65, $27,300 if one spouse is 65 or older, and $28,700 if both are 65 or older.

  • Married Filing Separately: $5 (regardless of age).

  • Head of Household: $19,400 if under 65, $21,150 if 65 or older.

  • Qualifying Widow(er) with Dependent Child: $25,900 if under 65, $27,300 if 65 or older.

Age Requirements

Age is another factor that affects income tax eligibility. Generally, the income thresholds increase slightly for taxpayers who are 65 or older, reflecting higher allowable income levels before filing is required.

Dependency Status

Dependents, such as children or elderly parents, may also be required to file a tax return if they have income above certain limits. The requirements depend on the type of income (earned or unearned) and the total amount.

Types of Taxable Income

The IRS categorizes income into various types, all of which can be subject to income tax. Understanding these categories helps determine eligibility and ensure accurate reporting.

Earned income includes wages, salaries, tips, and other compensation received for services performed. This type of income is subject to payroll taxes and is reported on forms such as the W-2 or 1099-NEC.

Unearned income includes interest, dividends, capital gains, rental income, and other sources not derived from employment. This type of income is reported on forms such as the 1099-INT, 1099-DIV, and 1099-B.

Income from self-employment or business activities is considered business income. This includes profits from a sole proprietorship, partnership, or corporation and is reported on Schedule C, Schedule K-1, or corporate tax returns.

Other Income

Other types of income, such as unemployment compensation, social security benefits, alimony, and gambling winnings, are also taxable and must be reported. Each type of income may have specific forms and reporting requirements.

Filing Status

Filing status determines the applicable tax rates and eligibility for certain deductions and credits. The five filing statuses are:


This status applies to taxpayers who are not married or who are divorced or legally separated according to state law.

Married Filing Jointly

Married couples can file a joint return combining their income and deductions. This status often provides beneficial tax rates and credits.

Married Filing Separately

Married individuals can choose to file separate returns. This may be advantageous in certain situations, such as when one spouse has high medical expenses or miscellaneous deductions.

Head of Household

This status is available to unmarried taxpayers who pay more than half the cost of maintaining a home for a qualifying person, such as a child or dependent relative.

Qualifying Widow(er) with Dependent Child

This status applies to taxpayers whose spouse has died in the past two years and who have a dependent child. It provides the same tax benefits as the Married Filing Jointly status.

Deductions and Credits

Deductions and credits play a crucial role in determining tax liability. They can reduce taxable income and directly lower the amount of tax owed.

Standard Deduction

The standard deduction is a predetermined sum that lowers the amount of taxable income. For the 2023 tax year, the amounts are:

  • Single: $12,950

  • Married Filing Jointly: $25,900

  • Married Filing Separately: $12,950

  • Head of Household: $19,400

  • Qualifying Widow(er): $25,900

Itemized Deductions

Taxpayers have the option to itemize deductions rather than opting for the standard deduction. Itemized deductions encompass various expenses such as mortgage interest, state and local taxes, medical costs, and charitable donations.

Tax Credits

Tax credits directly lower the amount of tax you owe, often making them more beneficial than deductions. Common credits include:

  • Earned Income Tax Credit (EITC): Designed for individuals and families with low to moderate incomes.

  • Child Tax Credit: For parents with dependent children.

  • Education Credits: Including the American Opportunity Tax Credit and the Lifetime Learning Credit.

  • Energy Efficiency Credits: For certain energy-efficient home improvements.

Special Considerations

Self-Employed Individuals

Self-employed individuals must pay both the employee and employer portions of Social Security and Medicare taxes through the self-employment tax. They can also subtract business expenses to lower their taxable income.

Students and Young Adults

Students and young adults may have unique tax situations, such as scholarships and part-time jobs. They must determine whether they qualify as dependents on their parents' tax returns and understand the tax implications of student loans and grants.


Retirees may receive income from various sources, including social security benefits, pensions, and retirement account withdrawals. Each type of income has specific tax rules, and retirees must plan accordingly to manage their tax liabilities.

Filing Your Tax Return

When to File

The tax filing deadline for most taxpayers is April 15th of each year. Extensions are available, allowing taxpayers to file their returns by October 15th, but any taxes owed must still be paid by the original deadline to avoid interest and penalties.

How to File

Taxpayers can file their returns electronically (e-filing) or by mailing paper forms to the IRS. E-filing is faster, more secure, and can result in quicker refunds.

Paying Taxes Owed

If you owe taxes, you can pay online through the IRS website, by electronic funds transfer, by credit or debit card, or by mailing a check or money order. For those unable to pay in full by the due date, the IRS provides payment plans.

Improving Your Financial Health

Maintaining a good credit score is an essential aspect of financial health. A strong credit score can lead to better loan terms, lower interest rates, and improved financial opportunities. Here are several strategies to enhance your credit score:

How to Improve Your Credit Score

  1. Pay Bills Promptly: On-time payments are the most critical factor influencing your credit score.

  2. Reduce Debt: Lower your credit card balances and other outstanding debts.

  3. Refrain from Applying for New Credit: Numerous credit inquiries can adversely affect your score.

  4. Review Your Credit Report: Frequently inspect your credit report for errors and contest any discrepancies.


Understanding who is eligible for income tax in the USA involves considering residency status, income thresholds, filing status, and age. Navigating these factors helps ensure compliance with tax laws and optimizes your tax situation. Additionally, maintaining a good credit score is crucial for financial health, and seeking professional help can provide significant benefits.

For more information about tax preparation software, please visit Cents Savvy SavvyTax Pro


  • Facebook - Black Circle
  • Instagram - Black Circle
  • Twitter - Black Circle

Site Disclaimer: All content provided on Cents Savvy LLC blog is for informational purposes only. The owners of this blog make no representations as to the accuracy or completeness of any information on this site or found by following any link on this site. The owners of Cents Savvy LLC will not be liable for any errors or omissions in this information nor for the availability of this information. The owners will not be liable for any losses, injuries, or damages from the display or use of this information.

bottom of page