As many as you want. Usually there is only a limit on the total value of the insurance policies you can have on your name. This is based on your annual salary. For ex: Bill gates can get a policy for...
Life insurance ratings are exta charges applied by underwriters to life insurance applications. They are applied due to i) adverse medical issues ii) occupational risks or iii) residenial...
That is an unanswerable question due to the fact that Canada doesn't have a specific life insurance, it all depends on the life insurance plan you take.