Related Experiment Video
Updated: Jul 7, 2026

07:40
Validation of a Psychosocial Intervention on Body Image in Older People: An Experimental Design
Published on: May 31, 2021
Is well-being U-shaped over the life cycle?
David G Blanchflower1, Andrew J Oswald
1Department of Economics, Dartmouth College, USA.
Social Science & Medicine (1982)
|March 5, 2008
Summary
Psychological well-being follows a U-shape across the lifespan, with happiness typically lowest in middle age. This pattern holds globally, even after controlling for cohort effects and other factors.
Area of Science:
- Psychology
- Sociology
- Economics
Background:
- Previous research on life-cycle well-being is complicated by cohort effects.
- Understanding the trajectory of psychological well-being across the lifespan is crucial for public health and policy.
Purpose of the Study:
- To investigate the life-cycle pattern of psychological well-being globally.
- To control for cohort effects in analyzing well-being trends.
- To examine well-being across diverse nations and demographic groups.
Main Methods:
- Utilized large-scale datasets from Americans, Europeans, and citizens of 72 other nations.
- Employed regression analyses controlling for demographic variables and income.
- Incorporated a novel test to account for cohort effects.
Main Results:
- A consistent U-shaped well-being curve was observed across the lifespan in Western and non-Western countries.
- Happiness and mental health scores (e.g., GHQ-N6, depression-anxiety) exhibit a midlife dip.
- Some exceptions were noted, particularly in developing nations, and a decline in contentment was observed in American male birth cohorts.
Conclusions:
- Psychological well-being generally follows a U-shaped trajectory throughout life, reaching a minimum in middle age.
- The U-shape is a robust finding across diverse cultures and demographic groups, even when controlling for confounding factors.
- Further research is needed to explore exceptions and specific cohort trends.
Related Concept Videos
Life Histories
Constrained by limited energy and resources, organisms must compromise between offspring quantity and parental investment. This trade-off is represented by two primary reproductive strategies; K-strategists produce few offspring but provide substantial parental support, whereas r-strategists produce much progeny that receives little care. These strategies are related to an organism’s survival likelihood across its lifespan, which is represented by a survivorship curve. Three general types of...
Concepts of Health and Illness
Health is a condition of the body, mind, and spirit where an individual remains free from illness. Similarly, wellness is an active state, including living a lifestyle that promotes physical, mental, and emotional health. Physical health is critical for the overall well-being and can be affected by lifestyle, activity level, diet, and behavior. The highest attainable standard of health is a fundamental and universal human right. Consider Lisa, a fifteen-year-old born with congenital...
Dimensions of Health and Illness
The factors influencing the health-illness continuum can be internal or external and may or may not be under conscious control. They are related to the following eight human dimensions, and each dimension is interrelated to one other.
Models of Health Promotion and Illness Prevention II
The person's health status fluctuates continually, varying from being in good health to becoming ill and returning to being healthy. To understand the concept of illness prevention, there are two models. First, the health-illness continuum model is a graphic representation of an individual's wellness. It states that a person is considered healthy in the absence of physical disease and the presence of good emotional health.
The agent-host-environment model states that disease results from...
The agent-host-environment model states that disease results from...
Longitudinal Research
Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
Social Relationships and Well-Being
The significance of social relationships in psychological well-being is a well-established area of inquiry within social psychology. Research consistently demonstrates that the presence of meaningful, supportive relationships enhances emotional health, while the absence or deterioration of such connections can contribute to psychological distress. Relationships serve as a foundation for emotional support, identity, and social belonging, all of which are critical to an individual’s overall...
