The 3.8% Medicare tax on net investment income took effect a few years ago. It only affects higher-income individuals, but that can include anyone who happens to have big one-time taxable income or gains in one year. This article covers some planning strategies that individuals can implement to avoid or minimize the tax.
The following types of income and gain (net of related deductions) are generally included in the definition of net investment income and thus potentially exposed to the 3.8% tax.
You are only exposed to the 3.8% Medicare tax if your modified adjusted gross income (MAGI) exceeds: $200,000 if you're unmarried, $250,000 if you're a married joint-filer or qualifying widow or widower, or $125,000 if you use married filing separate status.
The amount subject to the 3.8% tax is the lesser of:
For this purpose, MAGI is defined as regular AGI from the bottom of page 1 of your Form 1040 plus certain excluded foreign-source income net of certain deductions and exclusions (relatively few individuals are affected by this add-back).
Note: The 3.8% tax can also hit estates and trusts that have investment income but we will not cover them in this article.
Since the 3.8% Medicare tax hits the lesser of: your net investment income or the amount by which your MAGI exceeds the applicable threshold, planning strategies must be aimed at the right target.
Here are three examples to illustrate different taxpayers' situations.
You will file as an unmarried individual. Unless something changes, you will have $370,000 of MAGI, which includes $95,000 of net investment income. You will owe the 3.8% Medicare tax on all net investment income (the lesser of your excess MAGI of $170,000 or your net investment income of $95,000).
Your exposure to the 3.8% tax mainly depends on your net investment income level. Therefore, you should focus first on strategies to reduce that amount. For instance, you could sell loser securities from your taxable brokerage firm investment accounts to offset earlier gains. Additional strategies are explained later in this article.
In contrast, strategies that would lower your MAGI would not reduce your exposure to the 3.8% tax unless they reduce your MAGI by a whole lot. For instance, making an additional $15,000 deductible contribution to your tax-favored retirement account would not by itself reduce your exposure to the 3.8% tax.
You and your spouse will file jointly. You plan to have $325,000 of MAGI, which includes $100,000 of net investment income. You will owe the 3.8% Medicare tax on $75,000 (the lesser of your excess MAGI of $75,000 or your net investment income of $100,000).
Your exposure to the tax mainly depends on your MAGI level. Therefore, you should focus there first. For instance, making $25,000 of additional deductible contributions to your tax-favored retirement accounts would reduce your MAGI by $25,000 and therefore reduce the 3.8% tax. Selling loser securities from your taxable brokerage firm accounts to offset earlier gains would also reduce your MAGI.
In contrast, using a method that allocates more deductions to offset your investment income would not reduce your bill for the 3.8% tax unless the method reduces your net investment income amount by a great deal, which is not likely.
You and your spouse will file jointly. Between now and year end, you expect to sell a greatly appreciated vacation home, which you've owned for many years. The whopping $650,000 gain will be fully taxable for federal income tax purposes and will also count as investment income for purposes of the 3.8% tax. Let's assume you'll have no other investment income and no capital losses. But you'll have $150,000 of MAGI from other sources (salary, bonuses, self-employment income, and so forth).
Due to the vacation home profit, your net investment income will be $650,000 (from the sale) and your MAGI will $800,000 ($650,000 from the vacation home plus $150,000 from other sources). You would owe the 3.8% tax on $550,000, which is the lesser of: your net investment income of $650,000 or your excess MAGI of $550,000. In this case, that means $800,000 minus the $250,000 threshold for joint-filing couples. The 3.8% tax would amount to $20,900 (3.8% times $550,000).
In this example, the sole source of your exposure to the tax is the vacation home gain. Therefore, consider the following strategies:
Some of the strategies described above are doubly effective because they can reduce your regular federal income tax bill as well as the 3.8% Medicare tax. If you're self-employed, some of the ideas can amount to tax-saving triple plays because they can also reduce your self-employment tax bill. Finally, they might reduce your state income tax bill as well. However, some of these strategies take time to implement. So talk with your Porte Brown tax advisor now. Waiting until later in the year could prove to be too late.
The following ideas may not reduce or eliminate this year's exposure to the new 3.8% Medicare tax, but they could help a lot over the long run.
Convert traditional retirement account balances to Roth accounts, but watch out for the impact on your MAGI in the conversion year. Reason: The deemed taxable distributions that result from Roth conversions aren't included in your net investment income, but they increase MAGI, which may expose more of your investment income to the 3.8% tax.
Over the long haul, however, income and gains that build up in a Roth IRA usually avoid the 3.8% tax, because qualified Roth distributions are tax-free. Because qualified distributions are not included in your MAGI (unlike the taxable portion of distributions from other types of tax-favored retirement accounts and plans), they won't increase exposure to the 3.8% tax by increasing your MAGI.
Invest taxable accounts in tax-exempt bonds. This would reduce both net investment income and MAGI. Use tax-favored retirement accounts to invest in securities that are expected to generate otherwise-taxable gains, dividends, and interest.
Invest in life insurance products and tax-deferred annuity products. Life insurance death benefits are generally exempt from federal income tax and are thus exempt from the 3.8% Medicare tax too. Earnings from life insurance contracts are not taxed until they are withdrawn. Similarly, earnings from tax-deferred annuities are not taxed until they are withdrawn.
Invest in rental real estate and oil and gas properties. Rental real estate income is offset by depreciation deductions, and oil and gas income is offset by deductions for intangible drilling costs (IDC) and depletion. These deductions can reduce both net investment income and MAGI.
Invest taxable accounts in growth stocks. Gains are not taxed until the stocks are sold. At that time, the negative tax impact of gains can often be offset by selling loser securities held in taxable accounts. In contrast, stock dividends are taxed currently, and it may not be so easy to offset them.
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