Usually 6 or 8.
But, most passenger trains have open-plan carriages which are not divided into compartments. These have typically about 60 seats per carriage in second class and about 40 in first class.
750
Eurotunnel Shuttles carry vehicles and their passengers and not foot passengers so it depends on the number and type of vehicle on each train. There is no definitive answer to this question.
The largest trains carry about 1000 passengers. So, theoretically if the train stopped running and all the passengers had to drive themselves by car, the answer is up to 1000 cars.
Helicopters carry from 1 - 90 passengers
Over here you can carry as many passengers as the car is designed to carry.
A train cart can hold approximately 52 passengers.
120 passengers
The Gautrain can carry up to 1,200 passengers per train set during peak hours.
A full Eurostar train can carry around 900 passengers.
In Utah, a car can legally carry as many passengers as there are factory-installed seatbelts.
379 passengers.
853 passengers and 20 crew