Something unexpected is happening to young adults across English-speaking countries. Despite living in an era of unprecedented technological advancement, increased connectivity and overall economic growth, their happiness is declining. Meanwhile, their parents and grandparents are maintaining, or even improving, their well-being.
A groundbreaking study published by the National Bureau of Economic Research has shed light on this unsettling trend. Researchers Jean Twenge and David Blanchflower analyzed eleven studies spanning six countries—Australia, Canada, Ireland, New Zealand, the United Kingdom and the United States. Their findings challenge long-held beliefs about how happiness changes with age.
For decades, psychologists believed happiness followed a predictable U-shaped curve: we start off relatively happy in our youth, experience a dip in midlife (often referred to as a “midlife crisis”) and then bounce back in our later years but this new research suggested that pattern has disappeared. Instead, happiness now simply increases with age, with young adults reporting the lowest well-being and older adults the highest.
This shift is not just anecdotal, it is backed by data. In the United States, for example, life satisfaction among young adults has dropped sharply since 2016, while older adults’ satisfaction has remained stable. In other countries, the pattern is just as stark. The study found that this downward trend in youth happiness began well before the Covid-19 pandemic, indicating deeper societal and cultural shifts at play.
The declining happiness of young adults is not happening in isolation—it aligns with alarming increases in mental health issues. Across all six countries, rates of anxiety, depression and self-harm among young people have surged.
In Australia, mental disorders among young people have increased by 40% for men and 60% for women in just over a decade. In the UK, the number of antidepressant prescriptions written between 2015 and 2019 jumped by 25%.
Young women, in particular, appear to be bearing the brunt of this crisis. In Australia, nearly half (46%) of women aged 16-24 reported experiencing mental illness between 2020 and 2022—up from 30% in 2007. Similar patterns are emerging in other nations, raising urgent questions about what’s driving this trend.
While there is no single answer to why young adults are increasingly unhappy, researchers have identified several potential contributors –
While the findings paint a concerning picture, they also offer an opportunity to rethink how society supports young people’s well-being. Potential solutions include –
The traditional happiness curve has flattened and young adults are struggling in ways that previous generations did not. This is not just a passing phase, it is a significant shift in how happiness is experienced across different age groups.
For parents, educators and policymakers, the message is clear: we need to pay attention. If we want future generations to not only live longer but also feel fulfilled and happy, we must address the factors driving this decline now.
The question remains—will we listen?
Note to readers: This article is for informational purposes only and not a substitute for professional medical advice. Always seek the advice of your doctor with any questions about a medical condition.
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