53. According to World Health Organization (WHO), what is the definition of agedsociety?
(A)The elderly citizens aged above 65 make up 20% of the population
(B)The elderly citizens aged above 65 make up 14% of the population
(C)The elderly citizens aged above 65 make up 10% of the population
(D)The elderly citizens aged above 65 make up 7% of the population

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