+1(514) 937-9445 or Toll-free (Canada & US) +1 (888) 947-9445
There is no min as long as you are not collecting Welfare or some kind of goverment assistance.
 
Spousal sponsorship does not have income requirement. However, I think the original poster is looking for answers with regards to parent sponsorship. In my opinion, it's before tax. Correct me if I am wrong, please.