John Elflein
Research expert covering health and health care
Detailed statistics
Life expectancy at birth worldwide by region 2019
Detailed statistics
Countries with the lowest life expectancy 2021
Detailed statistics
Top ten causes of global deaths 2019
Leading health problems worldwide 2023
Percentage of adults worldwide who stated select issues were the biggest health problems facing people in their country in 2023
Adults worldwide who often thought about their mental/physical wellbeing as of 2022
Percentage of adults worldwide who often thought about their own mental and physical wellbeing as of 2022
Life expectancy at birth worldwide by region 2019
Average life expectancy at birth worldwide in 1990 and 2019, by region (in years)
Countries with the lowest life expectancy 2021
Ranking of the 20 countries with the lowest life expectancy as of 2021
Countries with the highest life expectancy 2021
Ranking of the 20 countries with the highest life expectancy as of 2021
Countries with highest adolescent birth rate worldwide 2021
Leading 20 countries based on adolescent fertility rate in 2021 (per 1,000 adolescent women)
Total stroke prevalence worldwide in 2019, by gender
Prevalence of all types of stroke worldwide in 2019, by gender (in millions)
Diabetics worldwide 2021, 2030, and 2045
Estimated number of diabetics worldwide in 2021, 2030, and 2045 (in millions)
Diabetics prevalence worldwide 2021, 2030. and 2045
Percentage of diabetics in the global adult population in 2021, 2030, and 2045
Prevalence of diabetes worldwide by region 2021 and 2045
Diabetes prevalence by world region in 2021 and 2045*
Countries with the highest incidence rates of new HIV infections worldwide 2022
Countries with the highest incidence rates of new HIV infections worldwide as of 2022 (per 1,000 population)
HIV prevalence in select countries worldwide 2022
HIV prevalence among the adult population in select countries worldwide as of 2022
Countries with the largest number of new malaria cases worldwide 2021
Leading 20 countries based on number of new malaria cases in 2021 (per 1,000 population at risk)
Incidence of tuberculosis worldwide by region 2021
Incidence of tuberculosis worldwide in 2021, by region (per 100,000 population)
Prevalence of treated end-stage renal disease in select countries worldwide 2021
Prevalence of treated end-stage renal disease in select countries worldwide in 2021 (per million population)
Adults worldwide who said mental health is their country's leading health issue 2023
Percentage of adults worldwide who stated that mental health was the biggest health problem facing people in their country in 2023
Adults worldwide who stated that stress is their country's leading health issue 2023
Percentage of adults worldwide who stated that stress was the biggest health problem facing people in their country in 2023
Most stressed countries worldwide in 2021-2022
Leading countries worldwide based on stress experienced in the previous day in 2021-2022
Percentage of world population with select mental health disorders as of 2019
Percentage of the global population that suffers from select mental health or substance use disorders as of 2019
Percentage of the population that had anxiety disorders worldwide from 1990 to 2019
Share of the population worldwide who suffered from anxiety disorders from 1990 to 2019
Percentage of worldwide population that had depression from 1990 to 2019
Percentage of people worldwide who suffered from depression from 1990 to 2019
Percentage of the population with bipolar disorder worldwide from 1990 to 2019
Share of the population who suffered from bipolar disorder worldwide from 1990 to 2019
Share of the population with schizophrenia worldwide from 1990 to 2019
Percentage of the population with schizophrenia worldwide from 1990 to 2019
Countries with the highest suicide mortality rates worldwide 2019
Leading 20 countries based on suicide mortality rate in 2019 (per 100 000 population)
Number of suicides in selected countries by gender 2020
Suicide rates in selected countries as of 2020, by gender (per 100,000 population)
Respondents worldwide who took select steps to alleviate anxiety or depression, 2020
Percentage of respondents worldwide who took select steps to alleviate feelings of anxiety or depression as of 2020
World: annual birth rate, death rate, and rate of natural population change 1950-2100
Global annual birth rate, death rate, and rate of natural population change from 1950 to 2021, with projections until 2100 (in deaths per 1,000 inhabitants)
Countries with lowest death rates 2021
Ranking of the 20 countries with the lowest death rates as of 2021 (per 1,000 people)*
Countries with highest death rates 2021
Ranking of the 20 countries with the highest death rates as of 2021 (per 1,000 people)*
Death rates in select countries worldwide 2021
Death rates in selected developed and developing countries as of 2021* (per 1,000 population)
Global death rate - leading causes 2019
Leading causes of death worldwide in 2019 (in millions)
Public estimate vs. actual causes of death worldwide as of 2019
Actual and public estimates of causes of death worldwide as of 2019*
Countries with the highest infant mortality rate 2023
Ranking of the 20 countries* with the highest infant mortality rate in 2023 (child deaths in the first year of life per thousand live births)
Countries with the lowest infant mortality rate 2023
Ranking of the 20 countries* with the lowest infant mortality rate in 2023 (child deaths in the first year of life per 1,000 live births)
Countries with highest mortality rate among children aged under five 2021
Countries with the highest mortality rate among children aged under 5 as of 2021 (per 1,000 live births)
Number of deaths worldwide from select risk factors in 2019
Annual number of deaths from select risk factors worldwide in 2019 (in millions)
Number of smoking-attributable deaths from tobacco-related diseases worldwide in 2019
Total number of smoking-attributable deaths from tobacco-related diseases worldwide in 2019 (in millions)
Countries with the highest share of daily smokers worldwide in 2019
Countries with the highest prevalence of daily smokers worldwide as of 2019
Key facts on alcohol-related deaths globally 2022
Key facts on alcohol-related deaths worldwide as of 2022
Countries with highest per capita consumption of alcohol 2019
Countries with the highest per capita consumption of alcohol in 2019 (in liters of pure alcohol per year)
Obesity - prevalence in selected countries by gender 2021
Prevalence of obesity among adults in selected countries as of 2021, or latest year available, by gender*
Share of deaths in select countries worldwide attributed to obesity in 2019
Percentage of deaths attributed to obesity in select countries worldwide in 2019*
Global population share of illicit drug use 2021, by drug
Percentage of illicit drug use in global population in 2021, by drug type
Global number of people who inject drugs as of 2021, by region
Global estimated number of people who inject drugs as of 2021, by region
Countries with highest government health expenditure share 2020
Countries with the highest share of domestic governmental health expenditure in 2020*
Health expenditure as a percentage of GDP in select countries 2022
Health expenditure as a percentage of gross domestic product (GDP) in selected countries in 2022
Per capita health expenditure in selected countries 2022
Per capita health expenditure in selected countries in 2022 (in U.S. dollars)
Countries with lowest governmental health expenditure 2020
Countries with the lowest share of governmental health expenditure in 2020*
Global spending on medicines 2010-2027
Global spending on medicines in 2010, 2022, and a forecast for 2027 (in billion U.S. dollars)
Country comparison in spending on medicine 2026
Projected spending on medicine of selected countries worldwide in 2026 (in billion U.S. dollars)
Global oncology spending 2013-2024
Global oncology spending from 2013 to 2024 (in billion U.S. dollars)
Diabetes health expenditure top 10 countries in 2021
Top 10 countries based on diabetes health expenditure in 2021 (in billion U.S. dollars)
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