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Some couples, whether wed in June or other months, could face a marriage tax penalty

June 30, 2018
Relaxing after the ceremony_Richmond Park Wedding-Red Cloud Photography_Barney Moss via Flickr

Taking a post-vows moment. (Photo by Barney Moss via Flickr)

If you were a June bride or groom, congratulations! My best wishes also go out to folks who wed in any other month.

I've been a wife a long time and I highly recommend matrimony.

You've got someone who, as most vows still say, will be there for all the good and bad times. Plus, you've got a built-in excuse for getting out of things you don't want to do ("So sorry, but we can't make it. The hubby has to work.").

There also, as I've noted numerous times here on the ol' blog, tax ramifications of being married.

Wedded tax penalties and bonuses: One tax matter that's been of concern for couples for ages is the potential marriage penalty.

A marriage penalty occurs when a pair combines all their income on one Form 1040 and it produces a bigger tax bill than if the duo had filed as two single taxpayers and then totaled those individual tax obligations.

On the other hand, some couples get a marriage bonus.

As that name indicates, these married folks find that their joint filing saves them tax dollars. A marriage bonus typically shows up when there's a large difference in spousal income.

New laws, old penalty: The Tax Cuts and Jobs Act (TCJA) affects the marriage penalty as the infographic below from Wolters Kluwer shows.

Wedding Infographic 2018 TCJA_Wolters Kluwer CCH

Basically, the new tax laws keep the marriage penalty, but it now tends to affect mostly top earning couples.

The reason for the shift is the restructuring of the tax brackets. Under the TCJA, the brackets for married filers are exactly double those for single filers except at the now top 37 percent rate.

Previously, even medium-income married earners felt the marriage penalty.

Calculating marriage's tax costs: So will you be hit by a marriage penalty or bonus?

You can find out in by using today's Saturday Shout Out honoree, the Tax Policy Center's Marriage Bonus and Penalty Calculator.

The Washington, D.C.-based nonprofit updated its online wedded tax bliss or bust calculator to reflect changes under the new tax laws. It will determine the difference in income taxes owed for couples before and after they tie the knot.

And if you're like the hubby and me, already married but curious about how our vows affect our taxes, TPC says its calculator works fine for all of us, too.

You also might find these items of interest:

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TO WRAP UP 2026

It’s over! With October’s extended filing deadline behind us, it is now time to focus on year-end moves to reduce your 2026 tax bill. 

You’ll find ways to do just that on the Tax Tips page (see the More Tax Posts drop-down menu at the top of the blog), as well as the separate tax tip pages for each month, notably October through December. If you’re on the Tax Tips page, you’ll find a monthly list at the end of this column. If you’re on another blog page, you can head straight to the October tips; at the bottom of that tips page you’ll find links to all the other 11 months’ collections of tax advice.

Not to spoil what you’ll find in that tax advice, but it does cover such things as tax deductions for charitable donations, investment moves that could reduce tax due, and ways to max out your tax-favored retirement savings. 

Finally, as the year winds down, things get hectic. There are lots of other things to occupy our time, like the much more fun upcoming holidays. But don’t lose sight of taxes, since timing is key. To be of use, most tax moves must be made by the end of the tax year. That’s Thursday, Dec. 31, which also is the last business day of the year. 

So that you don’t miss that final tax year deadline, also keep an eye on the countdown clock below. It will keep you on top of just how much time is left to make important, tax-saving moves. (Note: I’m in the Central Time Zone, so adjust accordingly for where you live.)

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