The thresholds reflect the point at which out-marriage rates can be expected to combine with First Nations membership rules to cause significant declines (by 15 or more percent) in the share or proportion of their descendants who would be eligible for membership within two generations.
Après 2010, les descendants de la plupart de ces populations (tant dans les réserves qu’hors de celles-ci) comprendront une proportion importante de personnes n’ayant pas droit à l’inscription.