For example, if you claim the standard deduction, you cannot itemize deductions – and vice versa (if you itemize deductions, you cannot claim the standard deduction). You are allowed to use whichever type of deduction results in the lowest tax.
The standard deduction is subtracted from your Adjusted Gross Income (AGI), thereby reducing your taxable income. For tax year 2016, the standard deduction amounts are as follows:
Note that there is an additional standard deduction for elderly or blind taxpayers, which is $1,250 for tax year 2016. The additional standard deduction amount increases to $1,550 if the individual is also unmarried and not a qualifying widow(er).