The 20% deduction for pass-through entity owners and planning strategies.

The increase in the earnings limit for social security represents the largest one-year increase in history.  The maximum social security tax is jumping from $7,346 in 2016 to $7,886 in 2017 for employees.  There is a larger increase for the self-employed as their social security taxes will be increased from $14,694 to $15,773 in 2017.