TurboTax FAQ
TurboTax FAQ
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How much is the AMT exemption?

For tax year 2018, the AMT exemption is $70,300 (single and head of household), $109,400 (married filing jointly), and $54,700 (married filing separately). This is the amount that gets deducted from your AMTI (alternative minimum tax income) before applying the AMT rate.

The exemption amount starts to phase out (is reduced) at AMTI levels of $1,000,000 if you’re filing jointly and $500,000 otherwise. This, along with the increased exemptions, is expected to significantly reduce the number of taxpayers subject to the AMT in tax years 2018 – 2025.