how many sea otters are left in the world

Sea otters are not down to just one global count, because the answer depends on which population you mean. A reasonable current estimate is about 125,000 sea otters worldwide , though some sources note older estimates ranged from fewer than 2,000 during their low point to roughly that recovery level today.

What that means

• Sea otters were once far more numerous across the North Pacific.

• Their numbers dropped sharply because of historical hunting and later threats.
• Conservation efforts helped populations rebound in some areas, especially Alaska and British Columbia.

A small caution

Different reports may quote different totals because they use different years, regions, or subspecies counts. So if you need a precise figure for a school project or article, the safest wording is: “roughly 125,000 sea otters worldwide, with local populations varying a lot.”

TL;DR: Around 125,000 sea otters are left in the world, but the exact number varies by source and region.