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United States National Health Interview Survey 2021


General Info
Original or alternative title 
2021 NHIS
Coverage type 
Time period covered 
01/2021 - 12/2021
Data type
  • Cross-sectional
  • Household
  • Individual
  • Interview
  • Nationally representative

The 2021 United States National Health Interview Survey (NHIS) is a cross-sectional household interview survey that is fielded continuously throughout the year. The NHIS is a major source of information on the health of the population of the United States. The 2020 survey covered a wide variety of topics such as family composition, socio-demographic characteristics, injuries, health insurance, income and assets, health conditions, and health behaviors.

Absenteeism, Alcohol use, Allergies, Alzheimer's disease and other dementias, Analgesics, Antihypertensive drugs, Anxiety, Asthma, Attention deficit hyperactivity disorder, Behaviors, Birth place, Birth weight, Bladder cancer, Bone cancers, Brain and nervous system cancers, Breast cancer, Bullying, COPD, COVID-19, COVID-19 vaccines, Cancers, Cervix uteri cancer, Child development, Childhood behavioral disorders, Children, Cholesterol, Chronic kidney diseases, Cirrhosis of the liver, Colon and rectum cancers, Colonoscopy, Coping behavior, Corpus uteri cancer, Corrective lenses, Counseling, Dental care, Diabetes, Diagnosis, Disability, Disease outbreaks, Domestic violence, Drug consumption, Education, Education access, Emergency care, Employment, Employment benefits, Epilepsy, Ethnicity, Falls, Family composition, Family size, Gallbladder and biliary tract cancers, HPV vaccines, Headache, Health care access, Health care personnel, Health care use, Health insurance, Health status, Hearing aids, Hearing loss, Heart disease, Height, Hepatitis, Hepatitis B vaccines, Hepatitis vaccines, Home care, Hospitals, Hours worked, Housing, Hypertension, Hysterectomy, Idiopathic intellectual disability, Immunization, Income, Influenza vaccines, Injuries, Insulin, Ischemic heart disease, Kidney and other urinary organ cancers, Larynx cancer, Leukemia, Limited mobility, Live births, Liver cancer, Marital status, Medical tests, Melanoma, Mental and behavioral disorders, Mental health symptoms, Military service, Mobility aids, Mouth cancer, Musculoskeletal diseases, Occult blood, Occupational injuries, Occupations, Oesophagus cancer, Ovary cancer, Pain, Pancreas cancer, Pap smears, Parents, Pediatrics, Pervasive developmental disorders, Pharynx cancers, Physical activity, Pneumococcal vaccines, Poverty, Pregnancy, Prescriptions, Prostate cancer, Public social assistance, Race, Road traffic injuries, School enrollment, Screening, Screening mammography, Seizures, Shingles vaccines, Skin cancers, Skin diseases, Sleep, Sleep disorders, Smokeless tobacco use, Social distancing measures, Socioeconomic risk factors, Stomach cancer, Stool tests, Stroke, Symptoms, Telephones, Testicular cancer, Tetanus toxoid vaccines, Thyroid cancer, Tobacco smoking, Trachea, bronchus, and lung cancers, Transportation, Unemployment, Unipolar depressive disorders, Upper respiratory infections, Violence, Vision loss, Weight, Weight change, Working conditions