In canada, I think you have to be at least 50% or something like that to be entitled to benefits.
Eligibility is based on descent in one's family. A person may be eligible for status if at least one parent is, was or was entitled to be registered as 6(1). A person is also eligible if two parents are registered as 6(2). These are references to subsections 6(1) and 6(2) of the Indian Act.
In canada, I think you have to be at least 50% or something like that to be entitled to benefits.