The lower down the social ladder old people are, the greater their economic dependence on their offspring. In the case of women who are old and illiterate, 78.6 % of living expenses are provided by their off-spring.
越是低社會階層的老人，經濟上仰賴子女的程度越高，其中不識字的老年女性，百分之七十八．六的生活費來自子女。