The value of each personal and dependent exemption, available to most taxpayers, is $3,800, up $100 from 2011.
The new standard deduction is $11,900 for married couples filing a joint return, up $300, $5,950 for singles and married individuals filing separately, up $150, and $8,700 for heads of household, up $200.
Tax-bracket thresholds increase for each filing status. For a married couple filing a joint return the taxable-income threshold separating the 15-percent bracket from the 25-percent bracket is $70,700, up from $69,000 in 2011.
For tax year 2012, the maximum earned income tax credit (EITC) for low- and moderate- income workers and working families rises to $5,891, up from $5,751 in 2011. The maximum income limit for the EITC rises to $50,270, up from $49,078 in 2011.The credit varies by family size, filing status and other factors, with the maximum credit going to joint filers with three or more qualifying children.