some one answer my question qalandri

hi
i am same person who asked before that i am in uk as student and have sufficient experience to apply for immigration in canada as a mechanical engineer and doing here msc in engineering, my question is that which is better for immigration from here uk canada or australia because a friend of mine who is setteled in australia has told me that in canada there are shrtage of jobs in every field and in australia growing opportunities of jobs in engineering field also now i am confused and want information that which is best to apply for as my wife is also here and she is doing msc in english here in uk she also have got 3 years experience in teaching so please let me know what is best for me to take step in future australia or canada for living and job perpose as well for good future