The 39.6 percent top tax rate
Before the tax law was changed in 2012, the highest possible tax rate was 35 percent. It's now 4.6 percentage points higher.
Wealthier individuals face a possible 39.6 percent tax on a portion of their wages, also known as ordinary income, once they exceed a certain threshold.
The income triggers are indexed for inflation. For the 2016 tax year, for example, married couples' combined income must exceed $466,950 to be taxed at the top rate. For 2017, earnings above $470,700 by joint filers will be subject to the highest tax rate.
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