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> For me, the difference is approximately 2 orders of magnitude.

But helicopters hold 4 people and airplanes hold ~200.

The most-produced airplane [1] seats 4 people. Only ~43,000 have been produced since the 50s.

Having been in a 172 with 4 people, I can say definitively that 2 or 3 people is much better.

Aircraft go all the way down to single-seaters, and helicopters all the way up to ~100 passengers: https://en.wikipedia.org/wiki/Mil_Mi-26