Female 86 years old (7 years old). 8 years old, male 8.5 years old) ranked first; The average age in foreign countries is 79 years old, and women are 8 1 year (3 years old), 6 years old, and men are 76 years old (9 years old), ranking 3 1.

The average age in China is 76. Female 77 years old (1 year old). 6 years old, male 74, 6 years old) ranked 53 rd.