Tokyo: A 116-year-old Japanese woman who loves playing the board game Othello was honoured on Saturday as the world's oldest living person.

Guinness World Records, the global authority on records officially recognised Kane Tanaka in a ceremony at the nursing home where she lives in Fukuoka, in Japan's southwest. Her family and the mayor were present to celebrate.

Kane Tanaka. Credit:AP

Tanaka was born on January 2, 1903, the seventh among eight children. She married Hideo Tanaka in 1922, and they had four children and adopted another child.

She is usually up by 6am and enjoys studying mathematics.