VEHICLE PASSENGER RESTRAINT DEVICE AND FAR SIDE AIRBAG FOLDING METHOD

A vehicle passenger restraint device includes a left seat (12L) and a right seat (12R) provided in a vehicle cabin so as to be capable of moving in a vehicle front-rear direction, and a far side airbag (34) that is provided to a vehicle width direction inside portion of a seatback (16L, 16R) of the right seat (12R) and that is configured so as to be inflated and deployed to a vehicle width direction inside of a passenger seated in the right seat (12R) by being supplied with gas from an inflator (32) . The far side airbag (34) includes a rear deployment section (38) that is configured to deploy toward a vehicle rear side past the seatback (16L, 16R) of the right seat (12R). The far side airbag (34) is configured so as to overlap with a seatback (16L, 16R) of the left seat (12L) in side view even when the left seat (12L) is displaced in a vehicle front-rear direction with respect to the right seat (12R).