China had more than 230.8 million people aged 60 or above, 16.7 per cent of the total population, at the end of 2016, the Ministry of Civil Affairs said.
Of the 230.8 million, 150.03 million were 65 or above, or 10.8 per cent of the total population, according to a report released by the ministry.
By international standards, a country or region is considered to be an "ageing society" when the number of people aged 60 or above reaches 10 per cent or more.
Bracing for the demographic crisis China last year relaxed the four decades old one child policy by permitting two children for couples.
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The ministry said China has 140,000 nursing homes holding a total of more than 7.3 million beds at the end of 2016, with a year-on-year increase of 20.7 per cent and 8.6 per cent respectively. However, there are only 31.6 beds for every 1,000 senior citizens.
According to the report, China had about 460,000 orphans at the end of 2016, with 88,000 living in government-funded agencies, with the rest being cared for by relatives or private orphanages.