A century’s worth of data out of Utah is turning the usual story about youth suicide on its head. A major analysis led by University of Utah researchers finds that U.S. suicide rates move in long, multi-decade cycles, and that a separate, steady rise in suicide among people under 35 has been building since the mid-to-late 1950s. In other words, what many people see as a sudden, recent spike may actually be part of a much older generational pattern.
The work, published in the Proceedings of the National Academy of Sciences, pulls together federal mortality records from 1900 through 2021 into a single resource called the Suicide Trends and Archival Comparative Knowledgebase, or STACK. When the team ran long-term trend analyses, they found that overall U.S. suicide rates tend to rise and fall in waves lasting roughly 10 to 25 years, rather than climbing in a straight line. The analysis also indicates that today’s national rates are not the highest the country has ever seen.
"This is one of the first times we've been able to step back and see suicide clearly in a long-term historical context," said study co-lead Nina de Lacy. The team estimates that if the nation had simply maintained its lowest observed age-specific suicide rates, about 372,365 deaths could have been prevented between 1969 and 2021, according to University of Utah Health. That is hundreds of thousands of lives lost that, statistically speaking, did not have to be.
A Century Of Swings, Not A Straight Line
The researchers connect several peaks in suicide rates to major bouts of social upheaval, including early 20th century industrialization, the Great Depression, and the 1970s women’s rights movement. Those links bolster a view of suicide as tightly bound up with broad social and economic conditions, not just individual clinical risk.
That historical framing, summarized by EurekAlert!, underscores the study’s central claim that large-scale structural forces help shape the long-run, wave-like pattern in suicide data.
Youth Risk Has Been Climbing For Generations
One of the most unsettling findings involves younger Americans. The authors trace a long-running increase in suicide risk among people under 35 back to the mid-to-late 1950s, with a more recent upswing starting in the early 2000s, according to the paper in the Proceedings of the National Academy of Sciences. So the “youth suicide crisis” did not suddenly materialize in the age of smartphones; it has been building across multiple generations.
The team also reports that living in a large metropolitan area appears to lower youth suicide incidence compared with rural areas, highlighting deep geographic gaps in risk that go beyond individual choice or treatment access.
Why Prevention Must Reach Beyond The Clinic
Given those patterns, the researchers argue that suicide prevention has to be about more than what happens in a doctor’s office. They call for strategies that strengthen social connectedness, economic security, and intergenerational supports, a point de Lacy emphasized in the University of Utah Health release.
If suicide risk rises and falls alongside shifts in work, family life, and the broader economy, the authors suggest that policies which ease isolation and financial strain could matter just as much as traditional medical interventions.
What Researchers And Policymakers Will Watch Next
The STACK dataset is designed as a kind of public lab bench for anyone trying to untangle age, period, and cohort effects and target prevention where it may count most. Coverage in outlets such as MedicalXpress notes its unprecedented 122-year span and reports that analysts are already combing through it for policy clues.
If you or someone you know is in immediate danger, call or text 988 or visit the Lifeline's chat at 988lifeline.org for 24/7 support, per SAMHSA. For readers interested in the full methods and data notes, see the journal article in the Proceedings of the National Academy of Sciences and the University of Utah Health release linked above.
