How Many Koalas Are Left In 2025. The exact number of koalas left in the world is difficult to determine, but estimates suggest that there are between 43,000 and 80,000 remaining. For those hearing this tragic news from abroad, it may have come as a shock.

Yes, vast tracts of their habitat have burned; It is estimated that there are now fewer than 100,000 koalas left in the wild, with some estimates as low as 43,000.