What You Can Learn From Your W-2 Tax Form

Apr 11, 2018 • Written by Paul Staib | Certified Financial Planner (CFP®), MBA, RICP®

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Tax planning W2 form

Only employees will receive a W-2; if you’re among the growing ranks of people working in the “gig economy,” you’ll receive a statement of your income via a 1099-MISC form.

As you review your W-2, here are some of the key line items to focus on.

W-2 Box 1: Wages, Tips, Other Compensation

Start with the big picture: Compare your current year’s wages with wages from previous years.  If you see an increasing trend, that’s all for the good.  But if your wages have been flat or declining, maybe it’s time to ask for a raise or potentially look for a job where your skills would be appreciated through greater monetary reward.  Remember that phantom income has the potential to inflate the number you see in this box – if you’ve received restricted stock units from your employer that have vested, for example, the amount that vested in the tax year will show up in Box 1, even if you haven’t sold the stock and pocketed the money.

You may also notice that the amount in Box 1 is lower than what you know to be your gross income.  That’s because Box 1 shows your gross income less any of your pre-tax deductions, such as health insurance premiums, your contributions to health savings account or flexible spending arrangement, or contributions to a traditional 401(k) or other defined contribution plan.  (If you’re making Roth 401(k) contributions, however, they will not reduce the amount that’s in Box 1.)

W-2 Box 12

Here, you’ll find your contributions to your employer’s retirement plan for the preceding tax year.  Take note of the dollar amount – if you didn’t contribute the maximum amounts of $18,500 (for those under age 50) or $24,500 (over age 50) for 2018, see if you can make a higher contribution rate in 2019.  Contributions for 2019 are going up to $19,000 for savers under age 50 and $25,000 for savers who are 50-plus.

Alongside Box 12b you’ll see a letter denoting your contribution type.  The notation “D,” “E,” or “G” indicates that you’ve made pretax (traditional) contributions to a 401(k), 403(b), or 457 plan, respectively, whereas the letters “AA,” “BB,” and “EE” denote Roth contributions.  Whether you expect your tax rate to be higher or lower in retirement is the main determinant of whether to go with Roth or traditional contributions.  If you’re not sure, most plans that allow Roth contributions will allow you to split your contributions between the two account types.

W-2 Box 14: Other

This box depicts a grab-bag of additional information that the employer wishes to impart to the employee; it allows for information that doesn’t have its own box on the W-2, such as union dues and educational assistance payments.  Employees receiving restricted stock units may see a notation about them here.

Related posts:

What You Can Learn From Your Tax Forms: 1099s

What You Can Learn From Your Tax Return: 1040

Paul Staib | Certified Financial Planner (CFP®), MBA, RICP®

Paul Staib, Certified Financial Planner (CFP®), RICP®, is an independent Fee-Only financial planner. Staib Financial Planning, LLC provides comprehensive financial planning, retirement planning, and investment management services to help clients in all financial situations achieve their personal financial goals. Staib Financial Planning, LLC serves clients as a fiduciary and never earns a commission of any kind. Our offices are located in the south Denver metro area, enabling us to conveniently serve clients in Highlands Ranch, Littleton, Lone Tree, Aurora, Parker, Denver Tech Center, Centennial, Castle Pines and surrounding communities.

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