The oldest pig ever is Ernestine (b. 17 July 1991), aged 22 years 359 days as of 11 July 2014. Ernestine lives with her owners, Jude and Dan King (Canada) in Calgary, Alberta, Canada.
Ernestine's birthday is 17 July 1991 meaning that she is six months older than the previous holder.
Comments below may relate to previous holders of this record.