4-6 normally, some may be born undeveloped and die.
Most hamsters have 5-7 babies. Last year my 1 year old hamster had 18 babies, They can have up to 24 babies They can have about 2-10 babies maybe even 1. About 5 my hamster and my friends hamster had...
In a single litter, there can be as many as 20 or more baby hamsters (aka pups). The average however is around 8 or 9 pups per litter.
The average litter size for a Syrian hamster is around 7 but can be anywhere up to 24