The male-female gender ratio of people with severe mental disorders is 1.07:1, and 4.67 per cent have a family history of illness, Wang Bin, an official with the National Health and Family Planning Commission (NHFPC), said at a press conference.
Wang said about 4.3 million Chinese were registered with severe mental disorders in 2014, with 96.9 per cent in stable condition.
Most patients, about 83.6 per cent, have an education level below middle school and more than half live in poverty, Wang said.
The figures show people with severe mental disorders are vulnerable social groups with serious difficulties.
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About one third of provincial regions have made specific policies to help patients with severe mental disorders, state- run Xinhua news agency reported.
China now has 1,650 professional mental health institutions, with 228,000 beds, about 1.71 beds per 10,000 people on average.
The number of psychiatrists exceeded 20,000, about 1.49 psychiatrists per 100,000 people on average.