OSAKA, JAPAN - MARCH 05:  Misao Okawa, the world's oldest Japanese woman, is seen during her 117th birthday celebration at Kurenai Nursing Home on March 5, 2015 in Osaka, Japan. Japanese woman Misao Okawa is the oldest living person in the world as certified by the Guinness World Records and celebrated her 117th birthday today. Okawa has held the title as the world's oldest living person since the June 12, 2013 and the death of Jiroemon Kimura who lived to 116 years and 54 days old. She is ranked as the Oldest Japanese person ever and only the third person to have ever reached the age of 117 in the world.  (Photo by Buddhika Weerasinghe/Getty Images)