Taxpayers can find information on IRS standard deductions and tax brackets through the IRS website and efile.com. These sites answer questions about taxes, offer downloadable documents and provide IRS contact information.
The IRS website has a detailed page about standard deductions, such as age, eyesight, dependents and marital status. This page has ample information that explains each type of deduction, including thorough examples for reference.
The website efile.com has tax bracket tables for the most current years. The tables show the percentage of tax owed and the required income bracket for different types of filers, such as single, joint and head of household.