(And How to Store Them Safely)
Canned foods are one of the greatest food inventions ever. When stored correctly, many canned items can last years—or even decades—without becoming unsafe to eat. While most cans show a “best by” date, that date usually refers to quality, not safety.
In this article, we’ll explore 20 canned foods that have extremely long shelf lives, why they last so long, and how to store them properly.
Why Do Some Canned Foods Last So Long?
Canning works by:
- Heating food to kill bacteria
- Sealing it in airtight containers
- Preventing oxygen from entering
As long as the can stays undamaged, rust-free, and sealed, the food inside remains safe.
20 Canned Foods That Last for Years
1. Canned Beans (Black, Kidney, Chickpeas, Lentils)
High in protein and fiber. Beans can stay safe 10+ years if unopened.
2. Canned Corn
Naturally acidic enough to slow spoilage and keeps texture well over time.
3. Canned Peas
Simple, sturdy vegetables that store exceptionally well.
4. Canned Green Beans
Low fat, low acid, and very stable for long-term storage.
5. Canned Carrots
Hold flavor and color for many years when stored properly.
6. Canned Tomatoes
Slightly acidic, which helps preservation. Quality may decline, but safety remains.
7. Canned Potatoes
Dense and filling—perfect emergency food with long shelf life.
8. Canned Mixed Vegetables
As long as the can is intact, they remain safe for many years.
9. Canned Mushrooms
Low fat and well preserved, especially in brine.
10. Canned Fruit (Peaches, Pineapple, Pears)
Sugar acts as a natural preservative. Syrup-packed fruit lasts longer than juice-packed.
11. Canned Tuna
One of the longest-lasting protein sources—up to 20 years in ideal conditions.
12. Canned Salmon
High in healthy fats and extremely shelf-stable.
13. Canned Sardines
Oil-packed sardines last longer and maintain flavor well.
14. Canned Chicken
Fully cooked and sealed—excellent for long-term food storage.
15. Canned Beef
Often used in emergency rations due to durability.
16. Canned Soup
Low-fat soups last the longest. Cream-based soups degrade faster but are still safe.
17. Canned Chili
Beans, meat, and spices combined—very stable when sealed.
18. Canned Coconut Milk
Unopened cans can last years, though texture may separate.
19. Canned Evaporated Milk
Not the same as fresh milk—shelf life is extremely long.
20. Canned Broth or Stock
Low calorie, but very stable and useful for cooking anytime.
When NOT to Eat Canned Food
Never eat canned food if:
- The can is bulging
- There is leaking or rust
- The lid sprays or smells bad when opened
- The food smells sour or unusual
When in doubt, throw it out.
Best Storage Tips for Long Shelf Life
- Store in a cool, dry place
- Avoid heat and sunlight
- Do not freeze cans
- Rotate stock (oldest in front)
- Keep cans clean and dry
Final Thoughts
Canned foods are not just convenient—they’re lifesavers. With proper storage, many canned foods can remain safe and edible for decades, making them perfect for:
- Emergency food storage
- Busy households
- Budget-friendly meals
- Long-term planning