Life’s Stages Are Changing – We Need New Terms and New Ideas to Describe How Adults Develop and Grow

Furthermore, midlife well-being, health and life expectancy have declined notably in the U.S. since 2000, especially among working-class adults who have been left behind by the information-and-technology economy. This has led to an epidemic of “deaths of despair” from suicide, opioid overdoses or alchoholism.

– Adults in later life, ages 60-75, are thriving like never before. Although life after age 60 is traditionally regarded as a time of insalvable decline, the reality of it has become sharply different –and better – in recent decades.

Life expectancy at birth is higher now than it has ever been, worldwide, and adults are smarter and healthier for longer than ever. Denis Gerstorf and his colleagues show how these positive trends have taken place across many countries over the past century because of improvements in education, nutrition and health care.

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Physical health issues do arise with age for most people, but more people than ever before stay healthy through their 60s and early 70s by maintaining healthy diet and physical exercise practices. One of the exciting recent findings highlighted in Ursula Staudinger’s article is that regular exercise promotes mental health as well as physical well-being, helping to maintain mental sharpness and prevent Alzheimer’s disease.

Life satisfaction also seems to rise in later life, as we gain a new freedom to choose the kind of work we do – or stop working altogether and spend more time with the people we care about most. According to Phillip Ackerman and Ruth Kanfer, more people are working into their late 60s and early 70s than ever before, but they have more freedom to choose how they do it, whether it’s working part time, starting a small business or trying something they have always wanted to do.

Adulthood’s new arc requires new concepts and ideas

Over my decades of writing about emerging adulthood, I’ve learned that it matters how people think about the stages of human development. Thinking shapes expectations and how experiences are interpreted. Lots of compelling and exciting new findings about adult development point to the importance of rethinking previous theories, assumptions and stereotypes about the course of adult life.

Jeffrey Arnett, Senior Research Scholar, Department of Psychology, Clark University

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