Pouches including tuna, salmon and chicken have a three-year shelf life; StarKist Creations Microwavables have a two-year shelf life; Canned tuna has a four-year shelf life, except the easy-open pull-top cans, which have a three-year shelf life; Canned salmon 5 oz. has a four-year shelf life, and the 14.75 oz. has a five-year shelf life