On the US type certificate: TYPE CERTIFICATION DATA SHEET A28NM
and EASA TYPE-CERTIFICATE DATA SHEET AIRBUS A318 – A319 – A320 – A321
Maximum passengers
FAA EASA
A318 136 136
A319 145 145 (and 160 with modification fitted)
A320 179 180 (The second Type III emergency exit can be de-activated
by embodiment of modification 35177. In this case, the
maximum number of passengers is 145.)
A321 220 220
PM me for the a copy of FAA or EASA or JAA or DGAC type certificates.