It is said that 1 in 4 people will have a diagnosable mental health condition in any given year. The figure is an estimate since not all people are going through an evaluation process.
Some of the figures collected by the World Health Organisation for 2017:
Gambling Addiction – 350 million people
Major drug dependency – 71 million people
Anxiety – 270 million people
Depression – 264 million people
Alcohol addiction – 107 million people
Obsessive Compulsive Disorder – 90 million people
Dementia – 50 million people
Bipolar disorder – 45 million people
Psychosis – 20 million people
Suicide attempt – 20 million people. Suicide completion – 1 million people each year. Suicide is the second leading cause of death in the 15 -29 year age group.
Eating disorders – 16 million people