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Population studies have consistently shown major depression to be about twice as common in women as in men, although it is not yet clear why this is so. [7] The relative increase in occurrence is related to pubertal development rather than chronological age, reaches adult ratios between the ages of 15 and 18, and appears associated with psychosocial more than hormonal factors.
According to statistics released by the Centre of Addiction and Mental Health one in five people in Canada experience a mental health or addiction problem. [28] Young people of ages 15 to 25 are particularly found to be vulnerable. [citation needed] Major depression is found to affect 8% and anxiety disorder 12% of the population.
An estimated 4.4 percent of the global population has depression, according to a report released by the UN World Health Organization (WHO), which shows an 18 percent increase in the number of people living with depression between 2005 and 2015. [66] [67] [68] Depression is a major mental-health cause of disease burden.
The World Health Organization has published worldwide incidence and prevalence estimates of individual disorders. Obsessive-compulsive disorder is two to three times as common in Latin America, Africa, and Europe as in Asia and Oceania. [7] Schizophrenia appears to be most common in Japan, Oceania, and Southeastern Europe and least common in ...
In 2021, the global rate of suicide deaths for men was 12.3 per 100,000, more than double the rate for women, which stood at 5.9 per 100,000 population. However, the sex disparity was uneven across regions, with a male-to-female ratio ranging from as low as 1.4 in the Southeast Asia Region to nearly 4.0 in the Region of the Americas.
Major depressive episodes may show comorbidity (association) with other physical and mental health problems. About 20–25% of individuals with a chronic general medical condition will develop major depression. [5] Common comorbid disorders include eating disorders, substance-related disorders, panic disorder, and obsessive-compulsive disorder.
This article needs to be updated. The reason given is: Many outdated sources and information (older than five years). Please help update this article to reflect recent events or newly available information. (July 2024) Medical condition Major depressive disorder Other names Clinical depression, major depression, unipolar depression, unipolar disorder, recurrent depression Sorrowing Old Man (At ...
Based on this, the UN projected that the world population, 8 billion as of 2023, would peak around the year 2086 at about 10.4 billion, and then start a slow decline, assuming a continuing decrease in the global average fertility rate from 2.5 births per woman during the 2015–2020 period to 1.8 by the year 2100 (the medium-variant projection).