depends on the activity from which the passive loss arose and if it was real estate then your adjusted gross income. SEE FORM 8582. other than real estate passive losses are suspended until the activity is disposed of.
for real estate with active participation passive losses single individuals and joint filers can be allowed a passive loss of to up to $25,000 if their AGI Is $150K or less. the lesser of a) $25K or b) 50% of the result when $150K is reduced by modified adjusted gross income
