According to the police, the man was last seen in Öst in the city of Umeå on Monday afternoon and may then have been wearing a brownish down jacket.
He has silver-white hair and wears glasses.
The man is about 165 centimeters tall and weighs about 70 kilos.
The police want the public to call 112 if they see or have just seen the man.
Tips and previous observations can be provided via 114 14.