For tax year 2016, the personal exemption amount is $4,050 (compared to $4,000 in 2015).
You are allowed to claim one personal exemption for yourself and one for your spouse (if married). However, if somebody else can list you as a dependent on their tax return, you are not permitted to claim a personal exemption for yourself.

The personal exemption amount “phases out” for taxpayers with higher incomes. The Personal Exemption Phaseout (PEP) thresholds are as follows: