Helicopters carry from 1 - 90 passengers
There are many different helicopters, the biggest can carry over 100 passengers. Most commercial helicopters seat about 16-20 passengers
There are so many small and medium helicopters there is no such thing as "regular" . Most helicopters other than large military ones, carry between 4 and 8 passengers.
The largest helicopters don't carry people. The largest passenger carriers I can think of are the Russian Mi-26, which can carry about 90 passengers.
Over here you can carry as many passengers as the car is designed to carry.
Most civilian utility helicopters carry 6 -12 passengers. Larger industrial and military helicopters carry more. The CH-47 Chinook, as shown above can carry 55 passengers. The largest helicopter Russia's Mil -26 can carry over 100 passengers, but seldom does as they are usually used in logging and heavy military cargo lifting.
120 passengers
In Utah, a car can legally carry as many passengers as there are factory-installed seatbelts.
853 passengers and 20 crew
379 passengers.
7
500
an average of 550 passengers can fit on a passenger plane