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Eastern gray kangaroo

Eastern gray kangaroo lifespan and age in human years

Longest recorded 25 years

🏆 The longest-lived eastern gray kangaroo on record reached 25 years in captivity.

Eastern gray kangaroo (Macropus giganteus). The oldest known individual lived 25 years; this chart maps that record to a human age of 120. Most individuals live considerably shorter lives than the record.

How old in human years?

Age

Eastern gray kangaroo age chart in human years

Shaded rows are equivalent to human age 60+.

Eastern gray kangarooHuman ageStage
1 yr10Child
2 yr19Teen
3 yr23Adult
4 yr28Adult
5 yr32Adult
6 yr37Adult
7 yr41Middle age
8 yr45Middle age
9 yr50Middle age
10 yr54Middle age
11 yr59Middle age
12 yr63Senior
13 yr67Senior
14 yr72Senior
15 yr76Elderly
16 yr81Elderly
17 yr85Elderly
18 yr89Elderly
19 yr94Elderly
20 yr98Elderly
21 yr102Elderly
22 yr107Elderly
23 yr111Elderly
24 yr116Elderly
25 yr120Elderly
26 yr124Elderly
27 yr129Elderly
28 yr133Elderly
29 yr138Elderly
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Eastern gray kangaroo profile

ClassificationMammalia > Diprotodontia > Macropodidae
Scientific nameMacropus giganteus
Adult weightabout 50 kg
Age of maturity21 months
Gestationabout 36 days
Litter / clutch size1
Longest recorded25 years (captivity)

Sources

How we convert ages: method.

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