Usually none while they are raised. They may get or have had other siblings, so many variables to give a good answer.
Female Chimpanzees can only give birth to one baby at a time. This means that technically chimpanzees don't have any brothers or sister.
Chimpanzees typically have between one to three siblings, though they can have more in rare cases. The number of siblings can vary based on factors such as the mother's reproductive history and environmental conditions. Siblings often play a significant role in social development and support within their family groups.
Female chimpanzees mate with as many males as possible to prevent infanticide
Leopards sometimes eat chimpanzees along with many other animals.
One
80
All of them
Many in using u and me
55
400
3
Yes and many other apes.