{"id":"US","level":"national","name":"United States","pop55":100019672,"pct_lt20_trials_within_60rdmi":11.8,"people_lt20_trials_within_60rdmi":11802321,"pct_zero_trials_within_60rdmi":4.3,"people_zero_trials_within_60rdmi":4300846,"pct_lt100_trials_within_60rdmi":33.9,"pct_gt60rdmi_broad_menu":37.7,"pct_gt60rdmi_nci":43.7,"median_road_mi_nci":48,"median_road_mi_broad_menu":36,"wmean_trials_within_60rdmi":362,"nearest_nci":"Harold C. Simmons Comprehensive Cancer Center (UTSW)","nearest_broad_menu":"Los Angeles, California","trials_listed_here":4035,"facilities":9655,"trials_within_60rdmi_by_cancer_type":{"bladder_urothelial":20,"brain_cns":12,"breast":47,"colorectal":31,"gastric_esophageal":19,"gynecologic":36,"head_neck":23,"kidney":11,"leukemia":29,"liver_biliary":12,"lung":68,"lymphoma":29,"mds_mpn":14,"melanoma_skin":17,"myeloma":19,"neuroendocrine_endocrine":8,"other_named":7,"pancreatic":21,"prostate":29,"sarcoma":12},"context":{"no_vehicle":8.4,"broadband":91.0,"uninsured":8.4,"uninsured_55_64":7.9,"poverty":12.5},"nonmetro_pct":15.8,"metro":{"pop55":84172502,"counties":1186,"pct_lt20_trials_within_60rdmi":6.0,"people_lt20_trials_within_60rdmi":5071035,"pct_zero_trials_within_60rdmi":1.3,"people_zero_trials_within_60rdmi":1072646,"pct_lt100_trials_within_60rdmi":24.6,"mean_trials_within_60rdmi":418,"pct_gt60rdmi_nci":35.2,"pct_gt60rdmi_broad_menu":28.5,"median_road_mi_nci":36,"median_road_mi_broad_menu":25,"pct_lt20":6.0,"pct_zero":1.3,"mean_trials_60":418},"nonmetro":{"pop55":15847170,"counties":1957,"pct_lt20_trials_within_60rdmi":42.2,"people_lt20_trials_within_60rdmi":6684882,"pct_zero_trials_within_60rdmi":20.6,"people_zero_trials_within_60rdmi":3268272,"pct_lt100_trials_within_60rdmi":83.0,"mean_trials_within_60rdmi":62,"pct_gt60rdmi_nci":88.8,"pct_gt60rdmi_broad_menu":86.7,"median_road_mi_nci":115,"median_road_mi_broad_menu":108,"pct_lt20":42.2,"pct_zero":20.6,"mean_trials_60":62},"incidence_all_sites":454.9,"incidence_all_sites_cases_per_year":1871438,"incidence_published":{"all":453.4,"cases_per_year":1872272,"period":"2019-2023","by_site":{"all":453.4,"breast":133.0,"colorectal":36.9,"lung":51.8,"prostate":119.9,"melanoma_skin":23.8,"lymphoma":18.5,"leukemia":14.5,"pancreatic":13.9,"liver_biliary":8.7,"bladder_urothelial":18.7,"kidney":17.9,"brain_cns":6.2,"gynecologic_ovary":10.1,"gynecologic_uterus":28.2,"gynecologic_cervix":7.5,"head_neck":12.3,"thyroid":13.0,"esophagus":4.6,"stomach":6.6}},"oncologists":{"count":15127,"pct_pop55_in_counties_with_oncologists_no_trials":11.2,"pct_pop55_in_counties_with_both":78.3,"pct_pop55_in_counties_with_trials_no_oncologist":0.7,"pct_pop55_in_counties_with_neither":9.9,"counties_with_oncologists_no_trials":673,"oncologists_per_100k_pop55":15.1,"counties_by_class":{"1":772,"2":673,"3":51,"4":1647},"radiation":5392,"gynecologic":1178,"surgical":1433},"links":{"map":"https://cancertrialaccess.org/map.html","findings":"https://cancertrialaccess.org/findings.html"},"data_as_of":"2026-11-03","source":"ClinicalTrials.gov (registry), Census Bureau (tracts, ACS), NCI; see methods","license":"CC BY 4.0","cite":"Agrawal N. Cancer Clinical Trial Access Map (beta). https://cancertrialaccess.org/","methods":"https://cancertrialaccess.org/methods.html#methods"}