Health in United States of America
United States of America
Health data overview for the United States of America
Population
343 477 335 (2023)
Current health expenditure (% of GDP)
17.36 (2021)
WHO region
Americas
World Bank income level
Higher income (HIC)
Population
Current Population
United States of America, 2023
343.5M
343,477,335 people
Age 0-14 Years
United States of America, 2023
8.2%
Percentage of population aged 0–14 years.
Age 15-64 Years
United States of America, 2023
72.4%
Percentage of population aged 15–64 years.
Age 65+ Years
United States of America, 2023
19.4%
Percentage of population aged 65 years and older.
Population
USA, 2000 - 2050
Life expectancy
Life expectancy at birth
The average number of years that a newborn could expect to live.
USA, by sex, 2000 - 2021.
Leading Causes of Death (2021)
| Rank | Cause of Death | Deaths per 100,000 Population (United States of America, 2021) |
|---|---|---|
| 1 | Ischaemic heart disease | 146 |
| 2 | COVID-19 | 124.5 |
| 3 | Alzheimer disease and other dementias | 82 |
| 4 | Stroke | 50.5 |
| 5 | Chronic obstructive pulmonary disease | 49.4 |
| 6 | Trachea, bronchus, lung cancers | 40.3 |
| 7 | Drug use disorders | 31.9 |
| 8 | Kidney diseases | 30.6 |
| 9 | Hypertensive heart disease | 28.9 |
| 10 | Colon and rectum cancers | 18.3 |
Risk factors
Hypertension
United States of America, 2019
31.6% [27.6% – 35.8%]
±0 percentage points • stable since 2018
Age-standardized prevalence of hypertension among adults aged 30–79 years (%).
Tobacco Use
United States of America, 2022
24.3% [19.1% – 29.5%]
Age-standardized prevalence of tobacco use among persons aged 15 years and older (%).
Adult Obesity
United States of America, 2022
42% [39.3% – 44.7%]
+0.5 percentage points • worsening since 2021
Age-standardized prevalence of obesity among adults (18+ years) (%).
Children & Adolescents Obesity
United States of America, 2022
20.6% [16.9% – 24.4%]
−0 percentage points • improving since 2021
Prevalence of obesity among children and adolescents aged 5–19 years (%).
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