- Section 1 The Subject Matter of and Approach to Psychiatry
- 1.3 Psychiatry as a worldwide public health problem
- 1.4 The history of psychiatry as a medical specialty
- 1.5 Ethics and values
- 1.6 The psychiatrist as a manager
- 1.7 Descriptive phenomenology
- 1.8 Assessment
- 1.9 Diagnosis and classification
- 1.10 From science to practice
- Section 2 The Scientific Basis of Psychiatric Aetiology
- 2.3 The contribution of neurosciences
- 2.4 The contribution of genetics
- 2.5 The contribution of psychological science
- 2.6 The contribution of social sciences
- 2.7 The contribution of epidemiology to psychiatric aetiology
- Section 3 Psychodynamic Contributions to Psychiatry
- Section 4 Clinical Syndromes of Adult Psychiatry
- 4.4 Persistent delusional symptoms and disorders
- 4.5 Mood disorders
- 4.6 Stress-related and adjustment disorders
- 4.7 Anxiety disorders
- Section 5 Psychiatry and Medicine
- Section 6 Treatment Methods in Psychiatry
- 6.2 Somatic treatments
- Section 7 Social Psychiatry and Service Provision
- Section 8 The Psychiatry of Old Age
- 8.1 The biology of ageing
- 8.2 Sociology of normal ageing
- 8.3 The ageing population and the epidemiology of mental disorders among the elderly
- 8.4 Assessment of mental disorder in older patients
- 8.5 Special features of clinical syndromes in the elderly
- 8.5.2 Substance use disorders in older people
- 8.5.3 Schizophrenia and paranoid disorders in late life
- 8.5.4 Mood disorders in the elderly
- 8.5.5 Stress-related, anxiety, and obsessional disorders in elderly people
- 8.5.6 Personality disorders in the elderly
- 8.5.7 Suicide and deliberate self-harm in elderly people
- 8.5.8 Sex in old age
- 8.6 Special features of psychiatric treatment for the elderly
- 8.7 The planning and organization of services for older adults
- Section 9 Child and Adolescent Psychiatry
(p. 1517) The ageing population and the epidemiology of mental disorders among the elderly
- Chapter:
- (p. 1517) The ageing population and the epidemiology of mental disorders among the elderly
- Author(s):
Scott Henderson
and Laura Fratiglioni
- DOI:
- 10.1093/med/9780199696758.003.0195
In the last decades the ageing of the populations has become a worldwide phenomenon. In 1990, 26 nations had more than 2 million elderly citizens aged 65 years and older, and the projections indicate that an additional 34 countries will join the list by 2030. In 2000, the number of old persons (65+ years) in the world was estimated to be 420 million and it was projected to be nearly 1 billion by 2030, with the proportion of old persons increasing from 7 to 12 per cent. The largest increase in absolute numbers of old persons will occur in developing countries; it almost triples from 249 million in 2000 to an estimated 690 million in 2030. The developing regions’ share of the worldwide ageing population will increase from 59 to 71 per cent. Developed countries, which have already seen a dramatic increase in people over 65 years of age, will experience a progressive ageing of the elderly population itself (see Fig. 8.3.1). The global trend in the phenomenon of population ageing has dramatic consequences for public health, health care financing, and delivery systems in the whole world. The absolute number of chronic diseases as well as psychiatric disorders is expected to increase. In this chapter, the epidemiological aspects of the most common psychiatric disorders of the elderly are summarized and discussed.
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- Section 1 The Subject Matter of and Approach to Psychiatry
- 1.3 Psychiatry as a worldwide public health problem
- 1.4 The history of psychiatry as a medical specialty
- 1.5 Ethics and values
- 1.6 The psychiatrist as a manager
- 1.7 Descriptive phenomenology
- 1.8 Assessment
- 1.9 Diagnosis and classification
- 1.10 From science to practice
- Section 2 The Scientific Basis of Psychiatric Aetiology
- 2.3 The contribution of neurosciences
- 2.4 The contribution of genetics
- 2.5 The contribution of psychological science
- 2.6 The contribution of social sciences
- 2.7 The contribution of epidemiology to psychiatric aetiology
- Section 3 Psychodynamic Contributions to Psychiatry
- Section 4 Clinical Syndromes of Adult Psychiatry
- 4.4 Persistent delusional symptoms and disorders
- 4.5 Mood disorders
- 4.6 Stress-related and adjustment disorders
- 4.7 Anxiety disorders
- Section 5 Psychiatry and Medicine
- Section 6 Treatment Methods in Psychiatry
- 6.2 Somatic treatments
- Section 7 Social Psychiatry and Service Provision
- Section 8 The Psychiatry of Old Age
- 8.1 The biology of ageing
- 8.2 Sociology of normal ageing
- 8.3 The ageing population and the epidemiology of mental disorders among the elderly
- 8.4 Assessment of mental disorder in older patients
- 8.5 Special features of clinical syndromes in the elderly
- 8.5.2 Substance use disorders in older people
- 8.5.3 Schizophrenia and paranoid disorders in late life
- 8.5.4 Mood disorders in the elderly
- 8.5.5 Stress-related, anxiety, and obsessional disorders in elderly people
- 8.5.6 Personality disorders in the elderly
- 8.5.7 Suicide and deliberate self-harm in elderly people
- 8.5.8 Sex in old age
- 8.6 Special features of psychiatric treatment for the elderly
- 8.7 The planning and organization of services for older adults
- Section 9 Child and Adolescent Psychiatry