Context: Advance care planning (ACP) is vital for end-of-life care management. Experiences as informal family caregivers might act as a catalyst to promote ACP.; Objectives: We investigated the association between ACP discussions and caregiving experiences.; Methods: A nationwide survey in Japan was conducted in December 2016 using a quota sampling method to select a sample representative of the general Japanese population. The responses of 3167 individuals aged 20-84 years (mean age: 50.9 ± 16.8) were analyzed.