500,000 harbor sealsClick to see full answer. Also, how many seals are left in the world?It is estimated there are 2 million to 75 million individual seals, according to the IUCN.Beside above, how many harp seals are left in the world 2019? Precise figures for harp seal abundance are unavailable. However recent estimates are: 4.0 – 6.4 million in the northwest Atlantic population, 300,000 in the east Greenland population, and 1.2 million in the Barents Sea / White Sea population. Subsequently, one may also ask, why are harbor seals endangered? Habitat Degradation Harbor seals are susceptible to habitat destruction and degradation. This can range from physical barriers that limit their access to important migration, breeding, feeding, or pupping areas, to activities that destroy or degrade their habitats.What is the most endangered seal? Saimaa ringed seal