1 / 4   Mexican Manuel Garcia Hernandez, who claims to be 121 years old, poses for a picture at his home in Ciudad Juarez, Chihuahua state, Mexico on May 16, 2018. The birth certificate issued by Veracruz state registry shows that Garcia Hernandez was born on December 24, 1896, while the oldest man in the world, according to the Guinness World Records, is Japanese native, Masazou Nonaka, aged 112. /VCG Photo

2 / 4   If the birth certificate is genuine, it makes him the oldest man in the world, 8 years older than Masazou Nonaka. /VCG Photo

3 / 4   He has two regrets in his life: losing his father at a very young age and not being able to work anymore. However, he enjoys feeding the chickens in his yard. /VCG Photo

4 / 4   “I am making an effort, because if I just lay in bed or sat in a chair all day, then I would get sick,” said Garcia to AFP, “I feel like I’m 80 years old now, though I’m starting to stumble a bit when I walk.”/VCG Photo