Sakari Momoi, a resident of Saitama city, is still in good health, Xinhua news agency reported.
He now lives at a healthcare institution in Tokyo and celebrated his birthday with his friends and family.
Momoi was born Feb 5, 1903, in Fukushima prefecture.
He was an agricultural chemistry teacher and principal of prefectural government-run high schools in Fukushima and Saitama.
The world’s oldest living woman recognised by Guinness is also a Japanese.
Misao Okawa, a 116-year-old in Osaka, will turn 117 next month.