text: An Arkansas woman who has become the world's oldest living person wants President Barack Obama to attend her 117th birthday party on the Fourth of July. At 116, Gertrude Weaver was already the oldest person in America. With the death of 117-year-old Misao Okawa in Japan on Wednesday, Weaver became the world's oldest person, according to the Los Angeles-based Gerontology Research Group. Scroll down for video . Gertrude Weaver, 116, of Camden, Arkansas, attributes her longevity to treating others well and exercising three times a week in her wheelchair . The staff at the Silver Oaks Health and Rehabilitation Center in Camden, about 100 miles southwest of Little Rock, said Weaver is in good health. They say she attributes her longevity to treating others well. Weaver would like to meet the president at her birthday party because she has voted for him twice. 'I treat everyone the way I want to be treated,' Weaver told reporters on her 116th birthday when she received a letter from President Obama. Weaver, born on July 4, 1898, exercises in her wheelchair three times a week and eats three meals a day at the facility's dining room. The daughter of sharecroppers was born in Arkansas near the Texas border and worked as a domestic helper. Gertrude Weaver, right, of Camden, Arkansas, became the world's oldest person on Wednesday following the death of Japanese woman Misao Okawa who died at the age of 117 on Wednesday . After retiring, she lived with her granddaughter and moved to Silver Oaks Health & Rehabilitation Center in 2009 when her granddaughter had health problems, the facility's administrator Kathy Langley said. 'She's an absolutely amazing lady,' Langley said. Weaver's 93-year-old son visits on a regular basis. 'She said she has been blessed with a long and healthy life because of the way she has treated others,' Langley said. Misao Okawa, a Japanese woman recognized as the world's oldest person who credited her longevity to 'eating delicious things' and getting plenty of rest, died at the age of 117 on Wednesday, Japanese media reported. Okawa was recognized by the Guinness Book of World Records as the world's oldest person in June 2013 when Jiroemon Kimura, also from Japan, died at the age of 116 years and 54 days. Rosa Camfield died on Monday. The 101-year-old Arizona woman had recently become an internet celebrity after appearing in a photo tenderly holding her newborn great-granddaughter . Also this week an 101-year-old Arizona woman who'd only just recently become an internet celebrity after appearing in a photo tenderly holding her newborn great-granddaughter died. Rosa Camfield. who was born in June of 1913, died on Monday. Since appearing on the popular Facebook page Life of Dad, she's received millions of likes and comments from around the world. 'Grandma was always happy, I mean, she was smart as a whip, even at 101,' Camfield's granddaughter Sarah Hamm, 33, told ABC News on Tuesday. 'She was funny and had lots of stories.' Hamm originally posted the photo a week before her grandmother's death after taking her daughter, then 2-week-old Kaylee, to meet Camfield. 'It was actually the day she was being released in the hospital, so we were hoping that Grandma would get to meet her,' Hamm said.
target: Gertrude Weaver, 116, of Camden, Arkansas, became the world's oldest person on Wednesday following the death of a lady in Japan .
  She attributes her longevity to treating others well and exercising three times a week in her wheelchair .
  Gertrude would like to meet the president at her birthday party on 4 July because she has voted for him twice .
  She was born in Arkansas near the Texas border in 1898 and worked as a domestic helper .