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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.
The current world population growth is approximately 1.09%. [8] People under 15 years of age made up over a quarter of the world population (25.18%), and people age 65 and over made up nearly ten percent (9.69%) in 2021. [8] The world population more than tripled during the 20th century from about 1.65 billion in 1900 to 5.97 billion in 1999.
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.
A 2023 scoping review of the literature found that in studies conducted in multiracial or multiethnic populations, the inclusion of race or ethnicity variables lacked thoughtful conceptualization and informative analysis regarding race or ethnicity as indicators of exposure to racialized social disadvantage, the systemic and structural barriers ...
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 The reason given is: Many outdated sources and information (older than five years).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 ...
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 ...
Currently, 757 million humans live in the 101 largest cities; [40] these cities are home to 11% of the world's population. [40] By the end of the century, the world population is projected to grow, with estimates ranging from 6.9 billion to 13.1 billion; [40] the percentage of people living in the 101 largest cities is estimated to be 15% to 23 ...