[<< wikibooks] Pinyin/Aging
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Because of longer life and the decrease in the member of baby being born. This resulted in the growth in the  proportion of population over 60 years of age, that is faster than any other age groups, in nearly every country.
Yóuyú chángshòu hé shēngyù xiàjiàng, dǎozhì jīhū měigè guójiā, 60 suì yǐshàng rénkǒu bǐlì de zēngzhǎng, bǐ rènhé qítā niánlíng zǔbié dōu kuài.

Population aging can be seen as the successes of public health policy and social economic development, but also creates social problems. We must strengthen elderly health, life skills, social participation and security.
Rénkǒu lǎohuà kě shìwéi gōnggòng wèishēng zhèngcè hé shèhuì jīngjì fāzhǎn de chéngjiù, dàn yě zàochéng shèhuì wèntí. Bìxū jiāqiáng lǎorén de jiànkāng, shēnghuó jìnéng, shèhuì cānyù hé ānquán.