This year the personal exemption (4,050 for 2017) has been eliminated. But the Standard Deduction will be double.
This year deductions are changing and several will be limited. There is a max 10,000 limit of State, local, property, and sales tax (SALT) deduction. And employee job expenses have been suspended. You can only deduct Medical/Dental that's over 7.5% of your AGI.
FAQ on 2018 changes
https://ttlc.intuit.com/questions/4482394-how-will-tax-reform-affect-my-2018-federal-tax-returnDeductions that have been suspended for 2018
https://ttlc.intuit.com/questions/4482873-which-federal-tax-deductions-have-been-suspended-by-tax-re...
