http://www.cic.gc.ca/english/information/applications/guides/5256ETOC.asp#incometables
Income Table
Effective from January 1 to December 31 2013
Your child or grandchild may use the following income scale to assess their ability to meet the income requirements.
Low Income Cut-Off (LICO)
Size of Family Unit Minimum necessary income
1 person (your child or grandchild) $23,298
2 persons $29,004
3 persons $35,657
4 persons $43,292
5 persons $49,102
6 persons $55,378
7 persons $61,656
More than 7 persons, for each additional person, add $6,268