How many people died by suicide in 2018
In 2018, roughly 700,000 people died by suicide globally, according to the best available estimates from the World Health Organization (WHO). This figure represents about 1.4% of all deaths worldwide and corresponds to an age-standardized rate of approximately 9.5 deaths per 100,000 population. Suicide remained a leading cause of death among younger age groups, particularly for people aged 15–29. These global estimates mask wide variation by region, income level, and demographic group. The 2018 number reflects the most comprehensive synthesis of national vital registration, census data, and verbal autopsy studies available at that time.
Verified estimates and data sources for 2018
Estimates for 2018 are drawn primarily from WHO mortality databases, supplemented by reported national statistics and peer-reviewed modeling studies where registration coverage is incomplete. Because suicide is often underreported or misclassified (sometimes coded as “accidental,” “undetermined,” or omitted in jurisdictions with strict reporting rules), numbers are best interpreted as ranges rather than precise counts. Organizations such as the Institute for Health Metrics and Evaluation (IHME) also produce comparative estimates used by researchers and policymakers. The table below summarizes representative figures and their provenance for the year 2018.
| Metric | Verified Detail or Estimate | Source Type |
|---|---|---|
| Global suicide deaths, 2018 | Approximately 700,000 | WHO mortality estimates |
| Age-standardized rate, 2018 | About 9.5 per 100,000 | WHO/IHME estimates |
| Share of all deaths | Roughly 1.4% | WHO cause-of-death comparisons |
| Leading age group | 15–29 years | WHO by-age breakdown |
| Regional variation | Highest rates in parts of Europe and the Americas; lower estimated rates in Africa and Southeast Asia | Regional WHO and national reports |
Key regional patterns
Reported suicide rates vary substantially across regions, influenced by data completeness, cultural context, and classification practices. In higher-income countries with robust registration systems, suicide is more consistently coded, whereas in low- and middle-income settings, underreporting can be substantial. The WHO’s 2019 global report on suicide statistics, which largely draws on 2018 data, highlights that regions such as Europe and the Americas frequently show higher age-standardized rates, while regions like Africa and Southeast Asia show lower estimated rates, though completeness of data varies widely.
Europe and the Americas
Many countries in these regions have established surveillance systems and periodic national health surveys that enable more reliable estimation. In 2018, age-standardized rates in parts of Europe were among the highest globally, with some nations exceeding 10–12 per 100,000. In the Americas, similarly, rates were elevated compared to the global median, with notable variation between countries and subnational jurisdictions.
Africa, South-East Asia, and the Western Pacific
Across these regions, estimated age-standardized rates in 2018 tended to be lower, but data coverage and classification practices differ markedly. Verbal autopsy studies and modeled estimates suggest that a substantial share of deaths may be underclassified as suicide. Contextual factors including access to means, stigma, and availability of mental health services shape observed patterns.
Demographic differences and at-risk groups
Within countries, suicide risk is not distributed evenly. Men consistently show higher suicide death rates than women, often by a factor of two to three in many regions. These disparities reflect a combination of behavioral, social, and help-seeking patterns, as well as differences in methods used. In 2018, males accounted for a large majority of suicide deaths globally, though the magnitude varies by country and data source. Young people and middle-aged adults remain priority groups due to the substantial years of life lost and the impact on families and communities.
Methods and means
Access to lethal means is a major determinant of suicide risk. In 2018, commonly reported methods varied by region: pesticide self-poisoning was a dominant method in some parts of Asia and Africa, while firearms and hanging were more frequently recorded in high-income countries. Reducing access to highly lethal means has been shown to reduce suicide rates, making this a key focus for prevention strategies.
Data quality, gaps, and methodological context
Because suicide is sensitive to stigma, legal status, and coroner practices, numbers are subject to uncertainty. Some jurisdictions require certification by multiple physicians or judicial review, which can delay reporting and reduce completeness. In other settings, political or religious considerations may discourage classification as suicide. Consequently, official counts may understate the true burden. Methodological tools such as verbal autopsies and demographic modeling are increasingly used to generate comparable estimates across countries. Users should consider margins of error and context when interpreting 2018 figures or similar year-specific statistics.
Trends and how 2018 fits into longer-term patterns
Globally, suicide rates have declined over the past two decades in many high-income countries, though progress has been uneven. In 2018, several regions appeared to stabilize after periods of increase or decrease, highlighting the importance of sustained prevention efforts. Monitoring trends rather than isolated year counts helps distinguish short-term fluctuations from long-term changes. The 2018 data remain a useful baseline for comparing the impact of subsequent events, policies, and public health interventions on suicide mortality.
Implications for prevention and policy
Understanding how many people died by suicide in 2018 and why is essential for designing effective responses. Evidence-based strategies include restricting access to means, responsible media reporting, strengthening mental health services, and addressing social determinants such as unemployment, conflict, and relationship distress. Countries with stronger surveillance systems can target resources more precisely and track the effects of interventions over time.