The number of passengers allowed on a motorcycle depends on the specific laws and regulations of the jurisdiction in which you are riding. In many countries, motorcycles are designed and manufactured to carry only one passenger, the operator or rider. These motorcycles are commonly referred to as "single-seat" or "solo" motorcycles.
These motorcycles are equipped with a pillion seat and footrests for the passenger. The capacity for passengers on such motorcycles is typically limited to one additional person.
It's crucial to consult the local traffic laws and regulations of your specific jurisdiction to determine the exact rules regarding the number of passengers allowed on a motorcycle. These laws can differ between countries, states, provinces, and even municipalities. Violating passenger limits can lead to legal consequences and compromise the safety of the riders involved.