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How Do Tax Brackets Work?
Posted By Jim On 04/23/2013 @ 7:05 am In Taxes | 11 Comments
When I was younger and I just started working, I didn’t know how tax brackets worked because I would do my return in TurboTax and pay whatever I owed. I didn’t care much about tax brackets because, honestly, it didn’t really matter to me. So one day I look at the Federal tax brackets  and was perplexed as to how they were set up (this was back in 2003 but in order not to confuse you, I’ll use 2013 tax bracket numbers in my story). I was making a great salary for a 23 year old, around $60,000, a year and I saw that I was firmly in the 25% tax bracket. When I went to do my taxes, I saw that my effective tax rate, as reported by Turbotax, was actually under 4%!
Why were my taxes so low? First, I started working in June so my wages were less than $40,000 (I had a small signing bonus and I also worked my last semester of college), and after the standard deduction and 401(k) contributions, my taxable income was around $25,000. That next year, I was given a raise of 4% and I saw that I’d still be in the 25% bracket but my effective tax rate was under 14%.
How could my tax rate be so much lower than my tax bracket?
The reason is because the brackets don’t illustrate your tax rate on all of your income, just the income that falls within the bracket itself. That’s what marginal means, the tax rate is assessed on your next dollar, not every dollar. Here are the 2013 tax brackets:
|Tax Bracket||Single||Married Filing Jointly||Head of Household|
|10% Bracket||$0 – $8,950||$0 – $17,900||$0 – $12,900|
|15% Bracket||$8,950 – $36,250||$17,900 – $72,500||$12,750 – $48,600|
|25% Bracket||$36,250 – $87,850||$72,500 – $146,400||$48,600 – $125,450|
|28% Bracket||$87,850 – $183,250||$146,400 – $223,050||$125,450 – $203,150|
|33% Bracket||$183,250 – $400,000||$223,050 – $450,000||$203,150 – $400,000|
As a single filer, the first $8,950 of taxable income (this is after all of your deductions and exemptions) is taxed at the 10% rate. The 8,951st dollar is taxed at 15%. The 8952nd dollar is also taxed at 15%. This is why, despite being in the 25% tax bracket (even with deductions and exemptions), my tax rate was still under 15% – I was deferring a lot of income via a 401(k) and because of marginal tax rates.
This misunderstanding is very common. Every year, around tax time, I get a deluge of emails about this subject because, let’s be honest, it’s not very clear. Most of the time it doesn’t matter but occasionally I get emails from readers who are considering a career change but are worried they’ll take home less money because the increase puts them in a higher tax bracket.
(Photo: John-Morgan )
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