How long does a joey stay in the kangaroo's pouch?

The joey is in the mother kangaroo's pouch for about eight months (235 days), depending on the species. The young Joey continues to suckle until it is about 12 months old.

For the animals most commonly recognised as kangaroos (e.g. Red kangaroos and Grey kangaroos), the average amount of time the baby kangaroo, or joey, stays in the pouch is about 7 - 8 months.

This time is fairly consistent also with some of the smaller species of kangaroos, such as the potoroos and wallabies.