Da: liu xing, Nanjing, JS, Cina
paperback. Condizione: New. Language:Chinese.Paperback. Pub Date: 2022-09-01 Publisher: Science and Technology Literature Publishing House In 2020. the proportion of the population aged 60 and over in my country will reach 18.70%. of which the population aged 65 and over is 191 million. accounting for 13.50%. According to relevant forecasts. during the 14th Five-Year Plan period. the national elderly population will exceed 300 million people. and will enter a moderately aging society from a mildly aging society. With th. Codice articolo NY045757
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