[mmichaels1970]

Trying to understand if he was missing 20 years or two. Said he was admitted in 2018 after losing contact.

[fidelis]

"The spokesman added that Mr Ali has been generally well and has maintained a healthy lifestyle in the home over the past two years.

"Mr Ali's whereabouts prior to the home could not be confirmed, but Malaysian news outlets reported that his children believe he has been in Singapore throughout this time."

Sounds like he was someplace unknown in Singapore for 18 years before he was admitted to the home for a two years stay.