On 6 September 2017, it was announced that Prince Henrik was suffering from dementia. On 28 January 2018, Prince Henrik was hospitalized at Rigshospitalet, following a visit to Egypt. It was later revealed that he had a benign tumor in the left lung and his condition worsened in February. He died a few weeks later on 13 February 2018 in Fredensborg Slot of pneumonia at the age of 83.