Did the Introduction of the 988 Suicide and Crisis Lifeline Lead to Fewer Suicides Among Adolescents?

Patel, Liu, and Jena (2026) examined whether the launch of the 988 Suicide and Crisis Lifeline in July 2022 was associated with changes in suicide mortality among adolescents and young adults ages 15–34. They analyzed national mortality data from the National Vital Statistics System from 1999–2024 and compared observed suicide deaths after the launch of 988 with deaths expected based on prior trends. They found that suicide mortality was significantly lower than expected after 988 was introduced. From July 2022 through December 2024, suicides were 11.0% lower than expected, representing 4,372 fewer deaths. States with greater 988 use experienced larger reductions in suicide mortality.

Why This Article Was Selected for The Policy Scientist

Suicide remains one of the leading causes of death among adolescents and young adults, making the effectiveness of crisis intervention systems an important public policy question. As mental health concerns, social isolation, and psychological distress have become more visible in recent years, understanding whether large-scale public investments in crisis services can affect population-level outcomes is especially timely. Patel, Liu, and Jena have contributed extensively to health policy and health outcomes research, and this study extends prior work that largely focused on individual callers by examining mortality at the population level. The analysis draws on the National Vital Statistics System, a comprehensive and high-quality national dataset with near-complete coverage of deaths in the United States. The findings are broadly relevant to other jurisdictions considering centralized crisis response systems. Methodologically, the study improves on simple trend comparisons by using time-series forecasting and multiple sensitivity analyses. However, the observational design limits causal inference. Future research using stronger quasi-experimental approaches or natural experiments would provide more convincing evidence regarding the causal effects of crisis lifeline services on suicide mortality.

Full Citation and Link to Article

Patel, V. R., Liu, M., & Jena, A. B. (2026). Suicide mortality among adolescents and young adults after launch of a suicide and crisis lifeline. JAMA, 335(19), 1721–1723. https://doi.org/10.1001/jama.2026.5157

Central Research Question

This study examines whether the July 2022 launch of the 988 Suicide and Crisis Lifeline was associated with changes in suicide mortality among adolescents and young adults aged 15 to 34 years in the United States. The introduction of 988 represented one of the largest federal investments in crisis intervention services in recent decades, combining a simplified three-digit dialing system with substantial funding to expand crisis center capacity and workforce development. While prior research had documented increased use of crisis hotlines and short-term reductions in suicidality among callers, less was known about whether a national crisis intervention system could influence suicide mortality at the population level.

The authors sought to determine whether observed suicide deaths after the introduction of 988 were lower than would have been expected based on historical trends. They also examined whether states that experienced larger increases in 988 utilization experienced larger reductions in suicide mortality, thereby exploring whether greater uptake of crisis services corresponded with stronger population-level effects.

Previous Literature

The study builds upon a substantial literature examining suicide prevention strategies, crisis intervention services, and mental health policy. Prior research has consistently identified suicide as one of the leading causes of death among adolescents and young adults in the United States. This body of work has motivated considerable interest in interventions capable of reducing suicide risk before individuals reach the point of self-harm.

Earlier evaluations of the National Suicide Prevention Lifeline, now known as the 988 Suicide and Crisis Lifeline, primarily focused on caller experiences and short-term outcomes. These studies generally found that crisis hotline services reduced distress and suicidality among individuals who contacted the service. However, such research largely addressed outcomes among users rather than population-wide mortality effects.

The literature also contains extensive research on mental health service access, crisis response systems, and suicide prevention infrastructure. Nevertheless, evidence regarding whether national crisis service expansions can measurably reduce suicide deaths at the population level has remained limited. Consequently, this study addresses an important gap by moving beyond individual-level outcomes and examining mortality outcomes across an entire nation. In doing so, it provides one of the earliest evaluations of the relationship between the 988 transition and subsequent suicide mortality trends.

Data

The authors used data from the National Vital Statistics System (NVSS), which contains information from all death certificates recorded in the United States. The analysis included quarterly suicide mortality data from 1999 through 2024 for individuals aged 15 to 34 years. Suicide deaths were identified using International Classification of Diseases, Tenth Revision (ICD-10) cause-of-death codes associated with suicide.

The NVSS represents one of the strongest mortality datasets available for public health research. Because death certificate reporting is effectively universal in the United States, the dataset provides comprehensive national coverage and minimizes concerns about sampling error or nonresponse bias. The lengthy time series, spanning more than two decades, also allows researchers to model long-term trends and seasonal fluctuations with considerable precision.

To supplement the mortality data, the authors incorporated state-level information from Substance Abuse and Mental Health Services Administration (SAMHSA) reports on 988 Lifeline performance. These reports provided information on answered calls and enabled comparisons between states with high and low levels of post-launch 988 utilization.

The combination of comprehensive mortality records and administrative crisis-service data created a strong empirical foundation for examining population-level changes following implementation of the 988 system.

Methods

The study employed an observational time-series design. The authors used seasonal autoregressive integrated moving average (SARIMA) models to estimate expected suicide mortality after July 2022 based on trends observed between January 1999 and June 2022. These models account for both long-term trends and recurring seasonal patterns, making them particularly useful for forecasting outcomes such as suicide mortality.

After generating expected mortality estimates, the authors compared observed suicide deaths following the launch of 988 with the number of deaths predicted by the historical model. Differences between observed and expected mortality were interpreted as evidence regarding potential changes associated with the introduction of the crisis lifeline.

The study also compared states with the largest increases in answered 988 calls against states with the smallest increases. This analysis examined whether areas with greater uptake of the service experienced larger mortality reductions.

Several sensitivity analyses were conducted to evaluate the robustness of the findings. First, the authors repeated the analysis among adults aged 65 years and older, a population less likely to use 988 services. Second, they examined mortality from malignant neoplasms, a cause of death unlikely to be influenced by crisis intervention services. Third, they compared trends in England, where no analogous national crisis-line transition occurred during the study period. Finally, they tested whether inclusion of the COVID-19 pandemic period affected the results by estimating alternative models using only prepandemic data.

Although these methods are rigorous and appropriate for evaluating population-level trends, the design remains observational. The study therefore cannot establish causality with the same confidence as a randomized controlled trial or a stronger quasi-experimental design such as a difference-in-differences framework exploiting exogenous variation in implementation intensity.

Findings/Size Effects

The principal finding was that suicide mortality among individuals aged 15 to 34 years was significantly lower than expected after the launch of the 988 Suicide and Crisis Lifeline. Between July 2022 and December 2024, the authors observed 35,529 suicides compared with an expected 39,901 suicides based on historical trends.

This difference corresponded to an 11.0% reduction in suicide mortality relative to expected levels. In absolute terms, the reduction amounted to approximately 4,372 fewer suicide deaths during the study period. The confidence interval suggested that the true reduction likely fell between approximately 8.7% and 13.1%.

The state-level analyses produced additional evidence consistent with the national findings. The ten states with the largest increases in answered 988 calls experienced substantially larger reductions in suicide mortality than the ten states with the smallest increases. High-uptake states experienced an estimated 18.2% reduction in mortality relative to expected levels, whereas low-uptake states experienced a 10.6% reduction.

Sensitivity analyses generally supported the main findings. Adults aged 65 years and older experienced a smaller mortality reduction of approximately 4.5%, which is consistent with lower expected utilization of 988 services. No comparable reductions were observed for cancer mortality, suggesting that the findings were not simply capturing broader mortality trends. Similarly, England did not experience comparable declines during the same period. Results also remained robust when the pandemic period was excluded from model estimation.

Taken together, these findings suggest that the launch of 988 coincided with meaningful reductions in suicide mortality among adolescents and young adults.

Conclusion

The study provides evidence that the launch of the 988 Suicide and Crisis Lifeline was associated with lower-than-expected suicide mortality among adolescents and young adults in the United States. Using national mortality records and time-series forecasting techniques, the authors estimate that suicide deaths were approximately 11% lower than expected following implementation of the new crisis system, corresponding to more than 4,300 fewer deaths over roughly two and one-half years.

The research makes an important contribution because it extends prior evaluations of crisis hotlines from individual-level outcomes to population-level mortality outcomes. The findings were consistent across multiple sensitivity analyses and were strongest in states that experienced the largest increases in 988 utilization.

At the same time, the observational nature of the study limits causal interpretation. Other contemporaneous changes in mental health services, public awareness, or socioeconomic conditions could have contributed to the observed patterns. Future research employing stronger causal inference methods would help determine the extent to which the mortality reductions can be directly attributed to the 988 Lifeline itself. Nevertheless, the study provides some of the strongest early evidence that large-scale crisis intervention systems may be associated with measurable reductions in suicide mortality among younger populations.