what age does schizophrenia appear
1 The average age of onset is 18 in men and 25 in women. 2  Schizophrenia onset is quite rare for people under 10 years of age, or over 40 years of age. 3  The diagram below demonstrates the general age of onset trends for schizophrenia in men and women, from a representative study on the topic.uicide is the number one cause of premature death among people with schizophrenia, with an estimated 10 percent to 13 percent killing themselves and approximately 40% attempting suicide at least once (and as much as 60% of males attempting suicide).