1. Organization Wide Default

2. Record Ownership

3. Manual Sharing

4. Role Hierarchy

5. Territory Management

6. Share groups

7. Queue

8. Implicit Sharing

9. Apex Sharing

10. Super User Access

11. View All permission

12. Modify All permission

13. Sharing Rules(Owner based or Criteria based)

14. Manager Groups

15. Team(Account, Case, Opportunity)

16. Sharing Sets