**ABSTRACT**

Joint Life Insurance futures is life insurance that covers two or more people within n years. The policy holder will get benefits from the insurance company if one of the combined insurance insured dies during the period of protection. It is likely that the insurance company will incur a loss if the claim is greater than predicted. Therefore, it is necessary to calculate premium reserves for insurance companies to predict company losses in the future. The method used to calculate premium reserves is the retrospective method. Premium reserves are calculated based on the 2011 TMI and De Moivre’s assumptions. The results of the annual premium calculation based on assumptions are greater than using TMI 2011, because life opportunities based on assumptions are relatively small, while premium reserves are based on smaller assumptions than using 2011 TMI because the size of the reserves depends on the development of premiums.

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