
Jennifer Mendoza
Research expert covering health, pharma and medtech

Detailed statistics
Global use of illegal and legal drug types as of 2017

Detailed statistics
Global lifetime drug use of select types of drugs as of 2017

Detailed statistics
Number of Americans who used ecstasy in their lifetime 2009-2024

Reasons for unmet mental health needs among U.S. adults in 2023
Share of adults with any mental illness reporting select reasons for unmet mental health treatment in the U.S. in 2023

Reasons for not receiving mental health services among U.S. adults 2024
Reasons for not receiving mental health services among U.S. adults in 2024*

Adults who had unmet needs for mental health treatment in the U.S. in 2023, by state
Share of adults with any mental illness who reported unmet need for required treatment in the U.S. in 2022-2023, by state

Mental health inpatient services availability for adults globally 2024, by region
Share of mental health inpatient services available for adults globally in 2024, by region

Mental health outpatient services availability for adults globally 2024, by region
Share of mental health outpatient services available for adults globally in 2024, by region

Collection and reporting of selected core mental health indicators worldwide 2024
Distribution of countries worldwide collecting and reporting selected core mental health indicators in 2024, by frequency

Mental health facilities in the U.S. 2024, by operation type
Number of mental health facilities in the U.S. in 2024, by operation type

Receipt of mental health services among U.S. adults by level of illness 2024
Receipt of mental health services in the past year among U.S. adults in 2024, by level of mental illness

Mental health treatment facilities by setting of services in the U.S. 2024
Number of mental health treatment facilities in the U.S. in 2024, by service setting

Mental health service use by U.S. adults 2002-2024, by type of care
Mental health service use in the past year among U.S. adults from 2002 to 2024, by type of care

U.S. mental health workforce availability 2024, by state
Number of people per mental health provider in the U.S. in 2024, by state

Health expenditure due to mental ill health in Europe 2025-2050
Average costs per year per capita for treatment costs of mental health disorders and extra costs of comorbidities in Europe between 2025 and 2050, by country (in euros)

Effect of mental health disorders on healthy life expectancy in Europe 2025-2050
Reduction in healthy life expectancy due to mental health disorders in Europe between 2025 and 2050, by country

Presence of dedicated mental health laws worldwide 2024, by region
Share of countries worldwide that reported having a law specifically on mental health in 2024, by region

Mental health service use in the U.S.2024, by type of care
Mental health service use in the past year among U.S. adults in 2024, by type of service

Prevalence of mental health disorders in Italy 2023, by diagnosis
Prevalence of patients treated for mental health disorders in Italy in 2023, by diagnosis-related group (per 10,000 inhabitants)

Inpatient mortality rate due to mental health conditions in Brazil 2014-2026
Inpatient mortality rate due to mental health problems in Brazil from 2014 to 2026

Admission to mental health inpatient services worldwide in 2024, by category
Median number of adult mental health inpatient admissions worldwide in 2024, by category (per 100,000 population)

Use of mental health outpatient services worldwide in 2024, by service category
Median number of mental health outpatient visits worldwide in 2024, by service category (per 100,000 population)

Mental health treatment or counseling among adults in the U.S. 2002-2024
Number of U.S. adults who received mental health treatment or counseling in the past year from 2002 to 2024 (in millions)

Countries complying mental health policy and human rights instruments 2014-2024
Percent of countries complying mental health plans/policies with human rights instruments in 2014, 2017, 2020 and 2024

Experience rate with mental health issues South Korea 2024, by disorder type
Rate of experience with mental health problems in South Korea in 2024, by type of disorder

Feelings towards workplaces' mental health approaches in the United Kingdom 2025
Distribution of feelings towards how employers approach mental health in the United Kingdom (UK) as of 2025

Percentage of the world population with select mental health disorders in 2021
Percentage of the global population that suffered from select mental health disorders in 2021

Share of U.S. adults who received mental health treatment 2024, by illness status
Percentage of U.S. adults who received mental health treatment in 2024, by mental illness status*

Health impact of interventions to prevent mental ill health in the OECD 2025-2050
Average DALYs gained by interventions to prevent mental ill health in OECD countries from 2025 to 2050 (per 100,000 population)

Global mental health workforce rate per 100,000 population by type 2024
Rate of global mental health workforce in 2024, by type (per 100,000 population)

Government mental health expenditure globally in 2024, by category
Distribution of government mental health expenditure worldwide in 2024, by category

Share of U.S. adults who had been treated by a mental health professional 2023-2024
Percentage of adults in the United States who had ever received treatment or therapy from a psychologist or other mental health professional from 2023 to 2024

Primary mental health issues among U.S. college students 2025
Share of mental health clinicians who stated select issues were the top concerns of their college student patients during the 2024-2025 academic school year

Rate of mental health hospital admissions by region 2024
Mental health facility inpatient admissions per 100,000 population worldwide as of 2024, by region

Number of people globally with mental health disorders as of 2021
Number of people globally that suffered from select mental health or substance use disorders as of 2021 (in millions)

Share of U.S. Hispanic adults receiving mental health treatment 2002-2024
Percentage of U.S. Hispanic or Latino adults who received mental health treatment or counseling in the past year from 2002 to 2024

Hospitalizations among U.S. college students receiving mental health help 2010-2025
Share of college students in the U.S. that were receiving mental health services and had been hospitalized for mental health concerns from 2010 to 2025, by year

Mental health workforce density by income group 2020
Median number of mental health workers per 100,000 population worldwide as of 2020, by country income group

Share of Canadians perceiving mental health as fair or poor 2015-2024
Share of Canadians who perceived their mental health as fair or poor from 2015 to 2024

Mental health workforce density by world region 2024
Number of mental health workers per 100,000 population as of 2024, by world region

Reasons for ending mental health services among U.S. college students 2024/2025
Share of U.S. college students that terminated their mental health services due to select reasons according to clinicians during the 2024-2025 academic year

Adults who said mental health is their country's leading health issue worldwide 2025
Share of adults worldwide who stated that mental health was the biggest health problem facing people in their country in 2024

Share of U.S. adults receiving mental health treatment by insurance status 2024
Percentage of U.S. adults who received mental health treatment in 2024, by health insurance status

Countries with updated mental health policy/plan by WHO region 2024
Percentage of countries with an updated mental health policy in the last 4 years (since 2020), by WHO region

Percent of Canadians perceiving mental health as very good or excellent 2015-2024
Share of Canadians who perceived their mental health as very good or excellent from 2015 to 2024

Self-perceived mental health status among Canadian adults as of 2024, by province
Share of adults in Canada who perceived their own mental health status as excellent or very good or fair or poor as of 2024, by province

Health expenditure increase needed for full mental health coverage Europe 2025-2050
Percentage increase of health expenditure needed to reach full mental health coverage in Europe from 2025 to 2050, by country

Adults who viewed mental health as the biggest health issue worldwide 2018-2025
Share of adults worldwide who viewed mental health as the biggest health problem in their country from 2018 to 2025

Mental health effects of social media for adults in the U.S. 2025, by gender
Share of adults in the United States on whether social media has more of a positive or negative effect on their mental health as of December 2025, by gender

Reasons for using AI for mental health information in the United States 2026
Share of adults who had used AI for mental health information for the following reasons in the past year in the U.S. as of 2026

Mental health facilities offering programs for specific groups U.S. 2023
Percentage of U.S. mental health facilities offering tailored programs for specific client groups in 2023

Number of mental health/substance abuse social workers employed by U.S. state 2024
Number of mental health and substance abuse social workers employed in the United States in 2024, by state

Main benefits reported from therapy for adults in the U.S. 2026
Major benefits experienced from therapy among adults in the United States in 2026
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