How Income Is Taxed At The Federal Level?
  • Oct 30, 2024
  • Tax

How Income is Taxed at the Federal Level? A Complete Guide  

Table Of Content  

Introduction  

How the Tax System Works?  

Who Pays Federal Income Taxes?  

Filing and Reporting Income Taxes  

Expectations Regarding Taxation  

Recent Changes or Updates  

Final Thoughts   

Frequently Asked Questions  

Introduction  

Understanding federal income taxes can feel overwhelming, but we all need to grasp it as taxpayers. In this article, we’ll simplify the key points about federal income taxes, including how they’re calculated, who is responsible for paying them, and how the filing process works.  

Federal income taxes are what individuals, businesses, and other organizations pay the federal government based on their earnings. The taxes are important because they help the government fund vital services like building roads and bridges, national defense, healthcare programs like Medicare and Medicaid, and education.  

The IRS (Internal Revenue Service)is the agency that collects these taxes on behalf of the government. Federal income taxes are progressive, meaning people with higher incomes pay a larger percentage of their earnings in taxes than those who make less. The idea behind this system is to ensure that those who earn more contribute more to the necessary services and programs that benefit everyone in society.  

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How the Tax System Works?  

Federal income taxes are calculated based on your taxable income, the amount left after deducting exemptions and deductions. The taxable income determines how much you owe in federal taxes. The U.S. follows a progressive tax system, where higher incomes are taxed at higher rates and lower incomes at lower rates. The system ensures that people pay according to what they can afford.  

The tax system works with tax brackets—income ranges are taxed at different rates. As your income increases, parts of it are taxed at progressively higher rates. This is called the marginal tax rate. But it's important to understand that only the income within each bracket is taxed at that rate. For example, if you're in the 24% tax bracket, only the income above the entry for that bracket is taxed at 24%. The rest is taxed at lower rates.  

To explain, let’s say you make $90,000 a year. Part of that income will be taxed at lower rates, such as 10%, 12%, and 22%, and only the amount that exceeds the threshold for the 24% bracket will be taxed at 24%. So, you're not paying a flat 24% on your entire income—just on the portion that falls into that bracket, which is a common misunderstanding.  

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Types of Income That Are Taxed  

Various types of income are subject to federal taxation, including:  

  • Wages and salaries from employment  
  • Interest earned from savings or investment accounts  
  • Dividends from stocks or mutual funds  
  • Capital gains from the sale of assets like property or investments  
  • Business income if you are self-employed or own a business  

Each type of income may be taxed differently. For instance, long-term capital gains (on assets held for more than a year) are taxed at lower rates than ordinary income, encouraging long-term investment.  

Standard Deductions and Tax Credits  

When it comes to filing taxes, there are a couple of ways to lower the amount of income that gets taxed. You can either claim the standard deduction or go through the process of itemizing deductions, depending on which option saves you more money. The standard deduction is a set amount that gets subtracted from your total income, lowering the taxable chunk of your earnings. For 2024, if you're filing as a single person, the standard deduction is $13,850. For married couples filing together, it jumps to $27,700.  

On top of that, there are various tax credits available which can reduce the amount of tax you owe. Some of the most common credits include things like:  

Child Tax Credit (CTC)  

If you have dependent children, you might qualify for a tax credit that helps lower the amount of taxes you owe. This credit provides a specific reduction for each child that meets the requirements.  

Earned Income Tax Credit (EITC)  

Earned income tax credit is designed to help hardworking low- and moderate-income individuals and families by encouraging employment and reducing poverty.  

Education Credits  

Taxpayers can take advantage of credits covering higher education costs, like the American Opportunity Credit or the Lifetime Learning Credit.  

While deductions lower your taxable income, tax credits are even better—they directly reduce the tax you owe. Some credits, like the Earned Income Tax Credit, are refundable. If the credit brings your tax bill down to less than zero, you could get a refund for the difference.  

In short, the tax system is designed to be fair, with features like tax brackets, deductions, and credits. The provisions help reduce the tax burden, especially for families, lower-income individuals, and people with particular needs, such as education costs or dependents.  

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Who Pays Federal Income Taxes?  

We all need to pay federal income taxes if our earnings exceed a certain limit, as determined by the federal government. The limits, known as income thresholds, vary depending on your filing status. Your filing status tells the government whether you’re filing taxes as a single individual, a married couple, or in another category, and it affects when you’re required to file a return and potentially pay taxes.  

Some of the most common filing statuses include:  

1. Single  

Single applies to individuals who are not married.  

2. Married filing jointly  

Couples who are legally married and choose to file a combined tax return.  

3. Married filing separately  

Married individuals who choose to file their own tax returns separately from their spouse.  

4. Head of household  

Head of the house status is for unmarried individuals who financially support a household with dependents, typically a child or a relative.  

In 2024, the income thresholds for filing a tax return are as follows:  

  • Single filers who earn more than $14,100 in gross income are required to file a federal tax return.  
  • Married couples filing jointly must file a tax return if their combined income exceeds $28,200.  
  • Married individuals filing separately generally need to file a return if they earn more than $5 (a low threshold meant to discourage separate filing in most cases).  
  • Head of household filers need to file a tax return if they earn more than $20,800.  

Head of the house’s role is important to note that even if your income falls below these thresholds, you might still want to file a tax return to claim refundable tax credits, such as the Earned Income Tax Credit (EITC) or a tax refund if federal taxes were withheld from your pay.  

 

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Progressive Tax System  

The U.S. has a progressive tax system, which means that as your income increases, so does the tax you pay. The progressive tax system ensures that people who earn more contribute a larger share of their income in taxes than those who earn less. The idea behind this is fairness—those with more financial resources help support public services more than those with less.  

For instance, earning around $20,000 a year may pay very little in federal taxes, or even none, thanks to various deductions and credits. On the other hand, someone making $200,000 a year will pay a higher tax rate because their income falls into higher tax brackets. This structure helps balance the tax burden based on what each person can afford.  

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Deductions and Credits for Low-Income Earners  

Many low-income taxpayers pay little or no federal income tax, thanks to standard deductions and tax credits that ease the burden. Take, for example, a single person earning $14,000 in 2024. With a standard deduction of $13,850, they would only have $150 left as taxable income, which could mean no federal taxes owed at all.  

Tax credits, like the Earned Income Tax Credit (EITC), are also in place to help. The EITC is refundable, meaning if the credit is more than the tax they owe, they can get money back from the IRS. Similarly, credits such as the Child Tax Credit (CTC) help families by lowering their tax bills, making it easier for those supporting dependents to manage their finances. These measures will make the tax system friendlier for low-income earners and families.  

High-Income Taxpayers  

The tax landscape looks slightly different for higher-income earners—those bringing in effective wages, business profits, or capital gains. High-income taxpayers fall into higher tax brackets, meaning they pay a larger portion of their income in taxes. For example, in 2024, if you're earning more than $182,100 (or $364,200 for married couples filing together), you'll land in the 32% tax bracket. If your income exceeds $578,125 ($693,750 for couples), you'll face the top tax rate of 37%.  

The taxpayers might also encounter extra taxes like the Net Investment Income Tax (NIIT). The tax kicks in for individuals with significant investment earnings, such as dividends or capital gains. It applies to individuals, estates, and trusts crossing certain income thresholds, tacking an additional 3.8% of their investment income.  

Impact of the Progressive System  

The progressive tax system in the U.S. is designed to ensure fairness by having wealthier individuals contribute more to federal revenue, which helps fund essential services like healthcare, education, national defense, and social programs. At the same time, those with lower incomes benefit from tax credits and deductions, so they aren't overwhelmed by federal taxes. The goal is to hit a balance where everyone contributes according to their ability while raising the funds needed for the government to function.  

In simpler terms, the federal income tax system provides that people with different income levels contribute fairly. Higher earners pay more, while lower-income individuals often get breakthrough deductions and credits.  

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Filing and Reporting Income Taxes  

Filing federal income taxes is something most U.S. taxpayers need to do each year. It involves reporting your earnings, claiming any deductions or credits you're suitable for, and figuring out whether you owe taxes or are due for a refund. Typically, the filing deadline is April 15, but if that date falls on a weekend or holiday, it may be pushed to the next business day. If you need more time to file, you can request a six-month extension by submitting Form 4868 before the April deadline. However, remember that you must pay by the original deadline to avoid damages if you owe taxes.  

Most people use IRS Form 1040 when they file, as it covers everything from income to deductions and credits, whether you're getting a refund or need to pay taxes. The form is the go-to for individuals across all income levels and filing statuses.  

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Steps to Filing Federal Taxes  

1. Gather Necessary Documents  

Before you begin preparing your tax return, gathering all the relevant documentation that reflects your income and potential deductions is essential. Common documents include:  

  • W-2 forms from employers, showing your annual wages and tax withholdings.  
  • 1099 forms for freelance income, investment earnings, interest, or other sources of non-salaried income.  
  • Mortgage interest statements and other documents related to itemized deductions (e.g., medical expenses, charitable donations).  
  • 1098-T forms for educational expenses if you are claiming education credits.  

2. Choose Between the Standard Deduction or Itemized Deductions  

Taxpayers have a choice when filing taxes: should they take the standard deduction or list their deductions? The goal is to choose the option that offers the bigger tax break. The standard deduction is a set amount that automatically lowers your taxable income. On the other hand, itemizing deductions means listing out specific expenses, like medical bills or charitable donations, and providing proof for each. The choice depends on which approach results in a better tax benefit.  

  • Mortgage interest  
  • Medical and dental expenses  
  • Charitable contributions  
  • State and local taxes  

The standard deduction is simpler and more beneficial for many taxpayers, but listing may offer greater savings for those with significant deductible expenses.  

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3. Report Your Income on the Appropriate Tax Forms  

After gathering all your documents and determining your deductions, you must correctly report your income on IRS Form 1040, including every source of income—from your job, freelance gigs, investments, rental properties, or any other taxable income. Being thorough here is important to ensure you’re following federal tax rules and avoiding any damages for underreporting.  

4. Calculate Any Credits and Deductions  

Once you've reported your income, the next step is to apply for any deductions and credits, which can help lower the amount of tax you owe. Deductions reduce the portion of your taxable income, while credits directly cut down the taxes you have to pay. For example, the Earned Income Tax Credit (EITC), Child Tax Credit (CTC), or education credits can make a big difference.  

Take the Child Tax Credit, for instance—it can lower your tax bill by as much as $2,000 for each qualifying child. On the other hand, deductions like the mortgage interest deduction reduce your taxable income, reducing your overall tax liability.  

5. Submit Your Return by the Deadline  

Once you've wrapped up and reviewed everything, it's time to submit your tax return by the April 15 deadline. If you need extra time, don't worry—you can file Form 4868 to request an extension, giving you until October 15 to finalize and submit your return. Remember, if you owe any taxes, those must be paid by the original deadline to avoid interest or damages.  

You have two options to file: e-file through the IRS (Internal Revenue Service), which is quicker and helps reduce mistakes, or mail a paper return. But remember, e-filing tends to be the faster and more dependable option.  

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Common Mistakes to Avoid:  

1. Failing to Report All Sources of Income  

One of the mistakes many taxpayers often make is not reporting all of their income. For instance, earning extra money from side gigs, freelancing, or investments and forgetting to include it on your tax return could lead to penalties. Remember, the IRS gets copies of all your W-2s, 1099s, and other tax forms from your employers and financial institutions, so it's important to make sure you report everything.  

2. Incorrectly Claiming Deductions or Credits  

Making mistakes when claiming deductions or credits on your tax return can slow the process, result in damages, or even trigger an audit. For instance, claiming the wrong filing status or taking credits you're not qualified for could cause issues. It's always a good idea to carefully review the eligibility rules for deductions or credits before including them on your tax return.  

3. Missing the Filing Deadline  

Missing the April filing deadline can lead to damages and interest on any unpaid taxes. The IRS charges failure-to-file damages and failure-to-pay charges, which can quickly snowball. Even if you cannot pay the full amount owed immediately, it's always a good idea to file on time and set up a payment plan to avoid more damages.  

By following the right steps and avoiding common mistakes, you can ensure your federal tax return is correct, filed on time, and maximizes any deductions or credits you're suitable for.  

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Expectations Regarding Taxation  

Why Do We Pay Federal Income Taxes?  

Federal income taxes are collected to support various public services and government activities that keep society running smoothly. The money helps fund programs that improve our well-being, security, and the frameworks we rely on daily. Some of the main areas where federal income tax dollars go include:  

1. National Defense and Security  

Federal income taxes help fund the U.S. military, which is vital in protecting and securing the country's borders. The money goes towards paying the salaries of military personnel, advancing security technology, and covering the costs needed to maintain national security.  

2. Healthcare  

Income tax plays a crucial role in funding important healthcare programs like Medicare and Medicaid, which ensure that millions of elderly, low-income, and disabled Americans get the medical care they need. Additionally, part of the tax revenue helps support the Affordable Care Act (ACA), offering financial assistance to individuals and families and making healthcare more reasonable for those who qualify.  

3. Public Transportation and Infrastructure  

Federal taxes help maintain and develop the nation’s infrastructure, such as roads, highways, public transportation systems, bridges, and airports. Well-maintained infrastructure is essential for economic growth and everyday life.  

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4. Education and Research  

A part of the taxes we pay goes towards funding education, from local schools to public universities. It helps support financial aid programs like Pell Grants and backs important research through organizations such as the National Institutes of Health (NIH) and the National Science Foundation (NSF).  

5. Social Services and Welfare Programs  

Federal income taxes are important in supporting programs that help people in need, such as low-income families, those unemployed, and individuals with disabilities. Programs like Social Security, for example, offer financial help to retirees or those unable to work due to disabilities, helping them maintain a basic standard of living.  

When we pay federal income taxes, we’re fulfilling a legal responsibility and contributing to the greater good. The funds ensure that important services and programs, which many people rely on, can continue to operate smoothly and positively impact society.  

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What Happens if I Don’t Pay or Underreport?  

It can lead to serious consequences if you don't pay your taxes or correctly report your income. The IRS keeps a close watch on tax filings and can impose damages if you're not following the rules. Here's what could happen if you fail to pay or underreport your income:  

1. Penalties and Interest  

If you owe taxes and don't pay by the filing deadline, the IRS can charge you damages for not paying on time. The penalty is usually 0.5% of the unpaid monthly tax and can add up to 25% of your owed. If you also miss the deadline for filing your tax return, there’s an additional penalty—usually 5% of the unpaid monthly tax.  

On top of the damages, interest will start adding up on unpaid taxes from the day after the deadline until the full amount is paid. The IRS adjusts the interest rate every quarter, so the total amount you owe can keep growing over time.  

2. IRS Audits  

If you underreport your income or claim deductions and credits that aren't objective, it could lead to an IRS audit. When the IRS finds differences, you might face extra fines, owe back taxes, and pay interest on the under-reported amounts. Sometimes, the audit could be pushed back several years, resulting in big financial damages.  

3. Legal Action  

The IRS can take legal action if someone engages in more serious tax avoidance or fraud. Legal action can mean the IRS might take property or bank accounts to recover unpaid taxes (called a levy) or place a claim on your property until the debt is settled (known as a lien). In extreme cases, they may even follow criminal charges. Intentionally underreporting income or falsifying tax documents is considered a federal crime and can result in prison time and big fines.  

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How Can I Minimize Taxes Legally?  

While avoiding taxes is illegal, there are plenty of completely legal ways to lower your tax bill. The methods often include tax deductions, credits, and other financial tools to help you save.  

1. Claim Tax Credits  

Tax credits directly reduce the amount of tax you owe, making them highly beneficial. Some common tax credits include:  

2. Child Tax Credit (CTC)  

If you have children under 17, this credit helps ease your financial burden. It can lower the amount you owe in taxes by as much as $2,000 for each child, providing valuable support for families.  

Earned Income Tax Credit (EITC)  

Earned income tax credit is designed to help low- and moderate-income earners, and it could save you thousands of dollars, depending on your income and your dependents.  

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Education Credits  

If you're paying for higher education, you may be able to lower your tax bill by claiming credits like the American Opportunity Credit or the Lifetime Learning Credit. The credits can help ease the financial burden of education costs.  

3. Take Advantage of Deductions  

Deductions help lower the portion of your income that gets taxed, which means you could end up paying less in taxes. Some of the most common deductions you might be suitable for include:  

Mortgage Interest  

If you're a homeowner with a mortgage, you can deduct the interest you're paying on that loan.  

Charitable Donations  

Donating to suitable charitable organizations can lower your taxable income, which may help reduce the amount of taxes you owe.  

Medical Expenses  

If your medical expenses go beyond a certain portion of your income, you might be able to deduct them, which can help reduce the income you pay taxes on.  

4. Contribute to Tax-Advantaged Accounts  

Another great way to lower your tax bill is by making contributions to tax-advantaged accounts like these:  

Individual Retirement Accounts (IRAs)  

When you contribute to a traditional IRA, you can often deduct the amount from your taxes, and the money you invest grows without being taxed until you take it out during retirement.  

401(k) Plans  

When you contribute to a 401(k) through your employer, those contributions are taken from your paycheck before taxes are applied, which lowers your taxable income. Just like with IRAs, your 401(k) money grows over time without being taxed until you withdraw it.  

Health Savings Accounts (HSAs)  

If you have a high-deductible health plan, you can contribute to a Health Savings Account (HSA), which offers two key benefits: your contributions are tax-deductible, and when you withdraw money for qualified medical expenses, it’s completely tax-free. By taking advantage of these strategies, you can legally lower your taxable income and reduce how much you owe in taxes. Health savings accounts allow you to keep more of your hard-earned money while staying within federal tax laws.  

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Recent Changes or Updates  

Tax laws in the U.S. are constantly developing, often changing to reflect the state of the economy, shifts in government policy, or adjustments for inflation. The updates can impact many things, from tax brackets and standard deductions to who qualifies for certain credits and deductions. Because of this, taxpayers need to stay up to date on the latest changes. Here are a few recent updates to the tax system that could affect how individuals file their federal income taxes.  

Adjustments to Tax Brackets  

Each year, the IRS changes tax brackets to keep up with inflation. Tax brackets protect taxpayers from being pushed into higher tax brackets because of inflation, which would unfairly raise their taxes without an actual income increase. For 2024, the income thresholds for each tax bracket were adjusted slightly upwards. As a result, people can now earn a bit more before moving into the next higher tax rate.  

For example:  

  • The 10% tax bracket now applies to single filers with income up to $11,000 and married couples filing jointly with income up to $22,000.  
  • The 24% tax bracket now applies to single filers earning between $95,375 and $182,100 and married couples earning between $190,750 and $364,200.  

The adjustments can help taxpayers stay in lower tax brackets even as their incomes rise due to inflation.  

Increase in Standard Deduction  

In 2024, one of the key changes is an increase in the standard deduction, which is adjusted each year to keep up with inflation. The standard deduction is a set amount that lowers the portion of your income taxed by the federal government. It's an option for everyone who doesn't opt to itemize their deductions.  

In 2024, the standard deduction has increased to:  

  • $13,850 for single filers, up from $13,600 in 2023.  
  • $27,700 for married couples filing jointly, up from $27,200 in 2023.  
  • $20,800 for head of household filers, up from $20,400 in 2023.  

This increase means more income is shielded from federal taxation, potentially reducing the overall tax liability for those claiming the standard deduction.  

 

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Changes to Tax Credits  

Recent changes in tax laws have impacted several commonly used tax credits, especially those that benefit families and individuals with low to moderate incomes. Some of these key updates include:  

Child Tax Credit (CTC)  

In 2024, the Child Tax Credit is still available for up to $2,000 per qualifying child. However, the extra benefits temporarily added during the pandemic have expired. A child tax credit means there’s no longer an increased amount for younger children, and the refundable portion is limited to $1,500.  

Earned Income Tax Credit (EITC)  

The Earned Income Tax Credit (EITC) is a helpful program to support low- and moderate-income workers. It's been adjusted for inflation, so families can still benefit. In 2024, for instance, a family with three or more children can earn up to $63,698 and still qualify. The maximum credit they could receive is $7,430, offering meaningful financial relief to those who need it most.  

Clean Energy and Electric Vehicle Credits  

The government is expanding tax credits for clean energy and electric vehicle (EV) purchases as part of the ongoing push for cleaner energy and environmental reforms. If you plan to buy a suitable EV in 2024, you could qualify for a tax credit of up to $7,500, depending on the car's make and model. Homeowners upgrading their homes with energy-efficient features, like solar panels, can also benefit from additional tax credits, thanks to the Inflation Reduction Act. The changes make it easier to save money while contributing to a greener future.  

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Retirement Contributions and Limits  

For individuals contributing to retirement accounts, there have been increases in contribution limits for 401(k) plans and IRAs in 2024. The increases allow taxpayers to save more for retirement while taking advantage of tax deferral benefits.  

  • The 401(k) contribution limit for 2024 has increased to $23,000, up from $22,500 in 2023.  
  • The IRA contribution limit has also increased to $7,000, with an additional $1,000 catch-up contribution allowed for individuals over 50.  

These changes provide more opportunities for individuals to grow their retirement savings while reducing taxable income.  

Expiration of Pandemic-Related Provisions  

Several tax benefits introduced during the pandemic have either expired or been scaled back. For instance:  

  • The expanded Child Tax Credit that allowed for advance payments and increased credit amounts in 2021 has reverted to pre-pandemic levels.  
  • Temporary increases to the Charitable Contributions Deduction have also expired. In 2021, even non-itemizers could deduct up to $300 in charitable contributions, but this benefit is no longer available in 2024.  

Health Savings Accounts (HSAs) and Flexible Spending Accounts (FSAs)  

For 2024, contribution limits for Health Savings Accounts (HSAs) and Flexible Spending Accounts (FSAs) have increased. The accounts allow individuals to set aside pre-tax dollars for medical expenses, reducing taxable income. The 2024 HSA contribution limit is:  

  • $4,150 for individual coverage.  
  • $8,300 for family coverage.  

These limits have increased from 2023 and offer a tax-efficient way to save for healthcare expenses.  

 

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Importance of Staying Updated  

Tax laws change every year, and these shifts can greatly impact how you file your taxes and what you owe. Staying current on the latest rules is important to maximize deductions, credits, and other benefits. By checking for any updates before tax season, you can avoid surprises and make smarter choices when filing.  

For the most accurate information, it’s a good idea to visit the IRS website or talk to a tax professional who can help you understand how new laws might affect your taxes this year.  

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Final Thoughts  

Understanding how federal income taxes work can help you control your finances. Knowing how your taxes are calculated, who needs to pay them, and how to file correctly makes it easier to avoid costly mistakes. You might even find ways to lower your tax bill with the right credits and deductions. Staying on top of tax law updates is key to ensuring you follow the rules and get the most savings possible.  

Frequently Asked Questions  

1. How do capital gains taxes differ for short-term and long-term investments?  

Short-term gains (held for a year or less) are taxed as ordinary income, while long-term gains (held over a year) are taxed at 0%, 15%, or 20%, depending on your income.  

2. If I work remotely in a different state, does it affect my federal taxes?  

No, federal taxes remain the same. However, depending on state laws, you may need to file state taxes in both your work and employer’s state.  

3. Are U.S. citizens taxed on income earned overseas?  

Yes, but you can avoid double taxation by claiming the Foreign Earned Income Exclusion or the Foreign Tax Credit.  

4. How is cryptocurrency taxed at the federal level?  

Cryptocurrency is taxed as property. Receiving it as payment counts as income, and selling it incurs capital gains tax, depending on how long you hold it.  

5. How does a change in marital status affect my taxes?  

Your marital status on December 31 determines your filing status for the entire year, even if the change happened late.  

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