What is the 183 day rule for residency?

Asked by: Colleen D'Amore  |  Last update: September 1, 2026
Score: 5/5 (20 votes)

The 183-day rule is a tax residency standard determining that if an individual spends more than half a year (183 days) in a specific country or state, they are likely considered a resident for tax purposes. This rule is used to trigger tax liability on worldwide income (nationally) or to establish tax residency in a new state.

How does the 183 day rule work?

This commonly referenced rule is part of many international income tax treaties and generally states that an individual may be exempt from income tax in a Host country if they are present in that country for fewer than 183 days within a defined period – often a calendar year or rolling 12-month period.

What is the easiest state to get residency in?

Florida and South Dakota are often considered two of the easier states in which to establish residency, especially for location-independent workers and nomads.

How many days do you have to live in the US to pay taxes?

The IRS considers you a U.S. resident if you were physically present in the U.S. on at least 31 days of the current year and 183 days during a three-year period. The three-year period consists of the current year and the prior two years.

What happens if you live abroad and stop paying U.S. taxes?

Significant penalty imposed for not filing expatriation form

A $10,000 penalty may be imposed for failure to file Form 8854 when required. IRS is sending notices to expatriates who have not complied with the Form 8854 requirements, including the imposition of the $10,000 penalty where appropriate.

183-Day Rule Explained: When Do You Become a US State Tax Resident?

35 related questions found

What is the IRS 7 year rule?

The IRS 7-year rule primarily applies to keeping records for claiming a deduction for bad debts or losses from worthless securities, allowing a longer period to file for a credit or refund, but it's not a universal audit limit; it's often a recommended safe buffer for general record-keeping, with the standard IRS audit period usually being 3 years, extending to 6 years for substantial income omission (over 25%) or foreign income issues, and indefinitely for fraud.

Can I own a home in one state and live in another?

Yes, you absolutely can own a house in one state while living in another, but it creates complexities with taxes, mortgages, and legal residency, requiring you to designate a primary residence (domicile) for tax purposes and navigate potential ancillary probate in the second state, with rental income often helping qualify for a mortgage on the new property. 

What is the most tax-friendly state to live in?

The best states for taxes are often those with no state income tax, like Alaska, Florida, Nevada, New Hampshire, South Dakota, Tennessee, Texas, Washington, and Wyoming. However, the "best" state depends on your personal situation, as some states compensate with higher sales or property taxes, so you must consider the overall tax burden, including income, property, and sales taxes, for a complete picture. 

What state has no residency requirements?

Alaska. Alaska has no state income taxes, so there are no residency requirements.

How does IRS know your residency?

You are a resident of the United States for tax purposes if you meet either the green card test or the substantial presence test for the calendar year (January 1 – December 31). Certain rules exist for determining your residency starting and ending dates.

Do snowbirds pay taxes in both states?

Most states use the 183-day rule to determine residency. If you spend more than 183 days in a state, you may be considered a statutory resident, even if your domicile is elsewhere. This can lead to dual residency, where both states claim you as a resident, potentially resulting in double taxation.

What are the biggest tax mistakes people make?

The biggest tax mistakes people make include filing late, math errors, incorrect personal info (like Social Security numbers), forgetting deductions/credits (like EITC), misreporting income, not signing forms, and making errors with bank details for direct deposit, all leading to delays, penalties, or missed savings, with using tax software or professionals helping avoid these common pitfalls.

How do states track residency?

Many states that collect income taxes use the 183-day rule to decide who is considered a resident of their state. According to the rule, if you spend at least 183 days of a year in a state — even if you have established your domicile in another state — you are considered a resident of the state for tax purposes.

How many days a year do you have to live in your primary residence?

The 183 day rule seems straightforward, but there are many nuances to consider when tracking your days. It's advantageous to better-understand this rule and some of the details around establishing residency and being prepared for state residency audits. Here are the top 5 things to keep in mind as you track your days.

What happens in 183 days?

If you meet the 183-day threshold (i.e. have resided in a country for 183 days in a tax year in a foreign country), you are generally considered a resident and must declare all income. And not just from the country you're residing in for that time period.

What state has 0% income tax?

Nine U.S. states currently have no state income tax: Alaska, Florida, Nevada, New Hampshire, South Dakota, Tennessee, Texas, Washington, and Wyoming, though Washington taxes some capital gains, and New Hampshire recently repealed its tax on interest/dividends as of 2025. These states often rely on other revenue sources, like higher sales or property taxes, so a lack of income tax doesn't always mean lower overall taxes. 

Can I be a dual resident of two states?

Hardly any of us use the term “domicile” in our day-to-day conversations, but it's an important term in the tax world. Legally, you can have multiple residences in multiple states, but only one domicile.

What are the red flags for IRS audits?

Not reporting all of your income is an easy-to-avoid red flag that can lead to an audit. Taking excessive business tax deductions and mixing business and personal expenses can lead to an audit. The IRS mostly audits tax returns of those earning more than $200,000 and corporations with more than $10 million in assets.

Does IRS forgive after 10 years?

Yes, the IRS generally has a 10-year statute of limitations (Collection Statute Expiration Date or CSED) from the tax assessment date to collect unpaid taxes, meaning the debt usually goes away then; however, this clock can be paused or extended by certain events like filing for bankruptcy, entering installment agreements, or living abroad, and there's no time limit for fraud, says the IRS and tax professionals https://www.irs.gov/newsroom/taxpayer-bill-of-rights-6,.