Greyson Q. Yokoyama

Polar Bear Numbers 2025 Season. At least three polar bear populations are likely in decline, according to the iucn polar bear specialist group (pbsg), but nine of the 19 subpopulations have insufficient data. There are now 20 officially recognized subpopulations of polar bears throughout the arctic, following the june meeting of the iucn polar bear specialist group.

That’s because the frozen arctic seas are. At least three polar bear populations are likely in decline, according to the iucn polar bear specialist group (pbsg), but nine of the 19 subpopulations have insufficient data.