What is the age of the elderly in Han Dynasty recorded in Yinwan Han bamboo slips?

The Age of Old People in Han Dynasty Recorded in Yinwan Bamboo Slips

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/kloc-Line 0/5: Male 706,644 (? ), 688,132 women, 7,926.

Line 16: 33,871 people over 80 years old and 222,088 people under 6 years old.

1Line 7: Over 90 years old 1 1670 people.

According to these data, it can be roughly concluded that:

In the Han Dynasty, the proportion of elderly people over 80 years old in this area was 3.26%. The proportion of elderly people over 90 years old in this area is 0.84%. The proportion under six years old is 18.8%.

In the sixth census of China, the proportion of the elderly over 80 years old was 1.57%. The proportion of people over 90 years old is 0. 15%. The proportion under the age of six is 7.2%