Key Takeaways
- In 2017-2018, the prevalence of obesity was 42.4% among U.S. adults aged 20 and over
- Severe obesity affected 9.2% of U.S. adults in 2017-2018
- Obesity prevalence increased from 30.5% in 1999-2000 to 41.9% in 2017-2018 among U.S. adults
- In 2020, 42% of U.S. adults aged 18+ had obesity per NHANES
- Non-Hispanic Black females had 56.9% obesity rate in 2017-2018
- Hispanic males obesity at 45.7% vs non-Hispanic white at 42.2% in 2017-18
- Obesity causes 2.8 million deaths annually worldwide, but U.S. contributes 300,000
- Obese U.S. adults have 50-100% increased risk of premature death
- Type 2 diabetes risk 7 times higher in obese U.S. adults
- Annual medical costs of obesity $173 billion in U.S. 2019 dollars
- Per obese adult medical costs $1,861 higher yearly than normal weight
- Obesity accounts for 21% U.S. health care spending
- Obesity prevalence rose from 13% in 1960s to 42% 2020
- Adult obesity doubled from 15% 1976-80 to 34% 2008
- Childhood obesity tripled since 1970s to 19% 2020
Over 42% of American adults now have obesity, a number that has soared since 1999.
Demographics
- In 2020, 42% of U.S. adults aged 18+ had obesity per NHANES
- Non-Hispanic Black females had 56.9% obesity rate in 2017-2018
- Hispanic males obesity at 45.7% vs non-Hispanic white at 42.2% in 2017-18
- Women aged 40-59 had highest obesity at 43.3% in 2017-2018
- Low-income women obesity prevalence 48.4% in 2016 data
- Rural U.S. adults obesity 32.6% vs 28.8% urban in 2018
- Non-Hispanic Asian adults lowest obesity at 16.1% in 2017-2018
- Mexican-American women obesity 45.6% in NHANES 2011-16
- Men with less than high school education 44.3% obese in 2016
- Obesity in pregnant U.S. women 29.5% pre-pregnancy in 2019
- American Indian/Alaska Native adults 48.4% obesity in 2013-16
- Southern region highest obesity at 34.9% adults in 2016
- Ages 20-39 men obesity 40.3%, women 39.7% in 2015-16
- College graduates 31.6% obese vs 40.9% high school grads in 2015
- Hispanic children aged 2-19 obesity 26.2% in 2015-16
- Non-Hispanic Black children 24.0% obesity aged 2-19 in 2017-20
- Boys aged 6-11 obesity 20.7% vs girls 19.0% in 2017-20
- Low-income children 2-5 years obesity 15.2% in 2020
- Urban children obesity higher at 22.4% vs rural 19.1% in 2019
- Pacific Islander adults obesity 43.2% in multi-state survey 2018
- Women in Midwest U.S. obesity 39.8% in BRFSS 2020
- Men aged 60+ obesity 42.3% highest male group 2017-18
- Non-Hispanic white females 41.1% obesity in 2017-2018
- High school non-graduates women 49.2% obese 2016 data
- Asian children lowest obesity 9.0% aged 2-19 2017-20
- Northeast U.S. adults obesity 30.7% lowest regional 2016
- Lesbian/gay adults higher obesity 31.7% vs straight 27.4% 2015-17
- Transgender adults obesity 47.6% in 2015 BRFSS
- Veterans U.S. obesity 35.2% vs civilians 31.1% 2019-20
- Single mothers households children obesity 28.5% higher risk 2021
Demographics Interpretation
Economic Burden
- Annual medical costs of obesity $173 billion in U.S. 2019 dollars
- Per obese adult medical costs $1,861 higher yearly than normal weight
- Obesity accounts for 21% U.S. health care spending
- $260 billion yearly productivity losses from obesity 2008 est.
- Obese workers 1.7x more absenteeism days yearly
- Childhood obesity costs U.S. $14 billion yearly medical
- Medicare obesity spending $38 billion annually 2016
- Medicaid obese beneficiaries cost $4,000 more per year
- Employer costs for obese employees $1,500 higher premiums
- Severe obesity adds $3,871 per person medical costs yearly
- Obesity-related disability claims cost $8 billion yearly
- Workers comp claims 3.1x higher for obese employees
- Lost wages from obesity $4.3 billion annually U.S.
- Bariatric surgery saves $7,000 per patient yearly post-op
- Diabetes from obesity costs $237 billion yearly U.S.
- Heart disease obesity costs $192.6 billion annually
- Cancer treatment for obesity-linked $147 billion over decade
- 9.1% GDP loss potential if obesity halved by 2050
- Obese women maternity costs 33% higher $5,500 avg
- Truck drivers obese 69% costing $7 billion fuel inefficiency
- Military readiness impacted, $1.5 billion obesity-related losses
- Pharmacotherapy for obesity $2.7 billion yearly spending
- Future obesity costs projected $1.2 trillion by 2020 est.
- State-level obesity costs avg $6.5 billion per state yearly
- Absenteeism from obesity 77 million lost workdays yearly
- Presenteeism losses $506 per obese worker annually
Economic Burden Interpretation
Health Consequences
- Obesity causes 2.8 million deaths annually worldwide, but U.S. contributes 300,000
- Obese U.S. adults have 50-100% increased risk of premature death
- Type 2 diabetes risk 7 times higher in obese U.S. adults
- 90% of type 2 diabetes cases in U.S. linked to overweight/obesity
- Obese individuals 2-3 times more likely to develop heart disease
- Stroke risk increases 64% with obesity in U.S. adults
- Obese Americans have 112,000 excess coronary deaths yearly
- 42% increased breast cancer risk in postmenopausal obese women
- Colon cancer risk 30% higher in obese U.S. men
- Endometrial cancer 2-4 times riskier for obese women
- Obese adults 55% more likely osteoarthritis knee replacement
- Sleep apnea prevalence 70% in severely obese U.S. adults
- Fatty liver disease affects 70-90% of obese Americans
- Gallbladder disease risk 3-fold in obese women
- Obese children 5 times higher asthma risk in U.S.
- GERD symptoms 2 times more common in obese adults
- Kidney disease risk doubled with obesity per U.S. data
- Obese mothers 2-3 times gestational diabetes risk
- Childhood obesity triples adult diabetes risk
- Obese adults COVID-19 hospitalization 113% higher risk 2021
- Severe obesity increases COVID death risk 60% in U.S.
- 300,000 U.S. deaths yearly attributable to obesity
- Obese smokers lung cancer risk 15 times higher
- Dementia risk 30-40% higher in midlife obese
- Obese pregnant women C-section 50% more likely
- PCOS affects 70-80% obese women with condition
- Obese adults depression risk 55% higher
- Childhood obesity hypertension risk 4-fold increase
- Obesity-related cancers 40% of U.S. diagnoses
Health Consequences Interpretation
Prevalence
- In 2017-2018, the prevalence of obesity was 42.4% among U.S. adults aged 20 and over
- Severe obesity affected 9.2% of U.S. adults in 2017-2018
- Obesity prevalence increased from 30.5% in 1999-2000 to 41.9% in 2017-2018 among U.S. adults
- In 2020, 41.9% of U.S. adults had obesity based on BMI ≥30 kg/m²
- Among U.S. adolescents aged 12-19, obesity prevalence was 22.4% in 2017-2020
- Childhood obesity affected 19.7% of children aged 2-19 years in 2017-2020
- In 2022, 36.3% of high school students in the U.S. were overweight or obese
- Obesity rates in U.S. adults reached 42.5% in 2021-2023 NHANES data
- 13.9% of U.S. preschool-aged children (2-5 years) had obesity in 2018-2020
- In Southern U.S. states, adult obesity prevalence exceeded 35% in 2022
- 78.5 million U.S. adults were obese in 2020 estimates
- Obesity prevalence was 49.6% in 12 states in 2023 CDC data
- 20.6% of U.S. children aged 6-11 had obesity in 2017-2020
- Adult obesity in non-Hispanic Black Americans was 49.9% in 2017-2018
- 40.2% of U.S. men aged 20+ had obesity in 2017-2018
- 41.6% of U.S. women aged 20+ had obesity in 2017-2018
- Severe obesity in women was 14.3% vs 6.9% in men in 2017-2018
- Obesity among low-income U.S. adults was 45.2% in recent surveys
- 32.1% of U.S. adults with college degrees had obesity vs 53.2% without
- In 2023, 1 in 3 U.S. adults (about 100 million) had obesity
- Pediatric obesity rates hit 22% nationally in 2022 youth risk data
- 42% of Americans aged 20-39 had obesity in 2017-2020
- 44.3% obesity in ages 40-59, highest group in 2021-2023
- 43.3% in ages 60+ U.S. adults obese per NHANES 2021-23
- West Virginia had 41% adult obesity prevalence in 2022
- Colorado lowest at 25% adult obesity in 2022
- 37.3% of U.S. adults self-reported obesity in 2022 BRFSS
- 14 states had ≥35% adult obesity in 2020
- 5.7 million U.S. children aged 6-11 obese in 2020
- Obesity in U.S. military personnel rose to 17.5% in 2021
Prevalence Interpretation
Trends
- Obesity prevalence rose from 13% in 1960s to 42% 2020
- Adult obesity doubled from 15% 1976-80 to 34% 2008
- Childhood obesity tripled since 1970s to 19% 2020
- Severe obesity quadrupled 1988-2014 to 8%
- Post-2000 plateau then rise to 42% adults 2016-20
- COVID-19 saw 2.7% obesity increase in U.S. adults 2020
- Youth obesity up 5.6% during pandemic 2018-21
- Black adult obesity up 5.8% 2016-20 vs others stable
- Hispanic obesity rose 8.2% 2011-18 fastest group
- Low-income obesity decline slight 2011-16 then stall
- Rural obesity up 8% faster than urban 2001-17
- College-educated obesity stable at 30% while others rise
- Southern states obesity up 30% since 2000
- Bariatric surgeries increased 800% 1998-2006 to 113k/year
- Anti-obesity med prescriptions up 300% 2012-22
- School BMI screening led to 2% decline in some states 2010s
- Soda tax cities saw 22% purchase drop, obesity slow 2010s
- Adult obesity steady 2003-12 then up post-recession
- Children 2-5 obesity halved 2008-14 from 14% to 8.9%
- Adolescent obesity up from 5% 1980 to 22% 2020
- Female severe obesity doubled 1999-2014 to 15.5%
- Male obesity linear rise every decade since 1960
- Post-COVID weight gain avg 1.5kg adults U.S. 2020-21
- Ozempic-like GLP-1 use up 400% 2022 obesity treatment
- Workplace wellness programs reduced obesity 1.5% 2010s trials
- National obesity rate projected 51% by 2030 if trends hold
- Child obesity forecast 57% by 2020 averted partially
- State disparities widened 20% since 1990
- Fitness tracker use correlated 2% obesity drop young adults 2010s
Trends Interpretation
Sources & References
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