Robin Williams died on August 11, 2014, at his home in Paradise Cay, California, United States. The official cause of death was suicide by hanging (asphyxiation). He was 63 years old at the time.
Investigators confirmed that his death was a suicide. After his passing, medical examinations revealed important details about the health conditions he had been experiencing.
The Official Cause of Death
The official cause of death reported by authorities was asphyxiation due to hanging. This means breathing stopped because of the hanging, which led to death.
Williamsโ death was investigated and confirmed as a suicide. The case received global attention because of his long and successful career in film, television, and comedy.
Medical Condition Discovered After His Death
An autopsy performed after his death revealed that Robin Williams had Lewy body dementia (LBD). This neurological disease affects the brain and can cause serious cognitive and behavioral changes.
Doctors later explained that the condition can produce symptoms such as confusion, anxiety, memory problems, sleep disturbances, and hallucinations. Medical specialists described the level of Lewy body dementia found in his brain as extremely severe.
Earlier in 2014, Williams had also been diagnosed with Parkinsonโs disease. The later medical examination showed that Lewy body dementia was the underlying neurological condition affecting him.
More details about the illness connected to his final months are explained in the article discussing what disease Robin Williams had.

Death Summary
| Detail | Information |
| Date of Death | August 11, 2014 |
| Age at Death | 63 |
| Place of Death | Paradise Cay, California, United States |
| Cause of Death | Suicide by hanging (asphyxiation) |
FAQs
What was Robin Williamsโ cause of death?
Robin Williams died from asphyxiation due to suicide by hanging on August 11, 2014.
Where did Robin Williams die?
He died at his home in Paradise Cay, California, United States.
What illness did Robin Williams have?
An autopsy revealed he had Lewy body dementia, a neurological disease that affects the brain.
Was Robin Williams diagnosed with Parkinsonโs disease?
Yes. He had been diagnosed with Parkinsonโs disease in 2014 before his death.


