2008- Income Phase Out Limits for Individuals :
Below are the income phase-out limits which may reduce your deductions, exemptions and tax credits:
  Itemized Deductions Phase-Out Level
  Single / Joint / Head of household $159,950  
  Married filing separately $79,975  
  Personal Exemption Phase-Out Level  
  Single $159,950 - 282,450  
  Joint returns & surviving spouses $239,950 - 362,450  
  Married filing separately $119,975 - 181,225  
  Head of household $199,950 - 322,450  
  Child Credit ($1,000 Per Child) Phase-Out Level  
  Single / Head of household Starts at $75,000  
  Joint Starts at $110,000  
  Married filing separately Starts at $55,000  
  IRA Deductibility (With Company Pension) Phase-Out Level  
  Single / Head of household $53,000 - 63,000  
  Joint $85,000 - 105,000  
  Married filing separately $0 - 10,000  
  When spouse has company pension $159,000 - 169,000  
  Roth IRA Eligibility Phase-Out Level  
  Single / Head of household $101,000 - 116,000  
  Joint $159,000 - 169,000  
  Married filing separately $0 - 10,000  
  Rollover of regular IRA to Roth IRA $100,000 (Income limit ends in 2010.)  
  (not allowed for married filing separately)    
  Education Savings Accounts (Ed IRA) Phase-Out Level  
  Single / Head of household / Married filing separately $95,000 - 110,000  
  Joint $190,000 - 220,000  
  Hope/Lifetime Learning Credits Phase-Out Level  
  Single / Head of household $48,000 - 58,000  
  Joint $96,000 - 116,000  
  Married filing separately $ 0  
  Education Loan Interest Deduction Phase-Out Level  
  Single / Head of household $55,000 - 70,000  
  Joint $115,000 - 145,000  
  Married filing separately $ 0  
  College Savings Bond Interest Exclusion Phase-Out Level  
  Single / Head of household $67,100 - 82,100  
  Joint $100,650 - 130,650  
  Married filing separately $ 0  
  *Adjusted or modified adjusted gross income.