which country is better canada, New zealand or australia in terms of graduate studies and than getting a job in that country?

Canada followed by New Zealand followed by Australia. If you are looking for an easy PR, then Australia is a easier option. hope my answer has solved your query. If ti has, kindly mark it as best answer.

IMO and from my friends experiences, I can say canada is the best option. but if you just take into account the easiness to get in and les expensive courses, australia is better.