I found the Boeing 737-800 42,300Kg @ 189 Pax = 223.8Kg/Seat
So far:
Airbus 320 234 Kg/Seat
Airbus 330-200 346 Kg/Seat
Airbus 330-300 352 Kg/Seat
Airbus 380 510kg/Seat
B737-800 224/Seat
B747-400 490kg/Seat
B757-200 254kg/seat
B767-200 304kg/seat
B767-300 266kg/seat
B787-800 410/Pax kg
Interesting no ?
I hope we get more........