{"entity":{"iso2":"US","iso3":"USA","name":"United States","slug":"united-states"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"number-of-clinical-trials","source":"ClinicalTrials.gov (2025) \u2013 with major processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/number-of-clinical-trials","title":"Number of clinical trials","unit":"trials"},"observations":[{"date":"2000-01-01","value":329.0},{"date":"2001-01-01","value":469.0},{"date":"2002-01-01","value":606.0},{"date":"2003-01-01","value":846.0},{"date":"2004-01-01","value":1162.0},{"date":"2005-01-01","value":1724.0},{"date":"2006-01-01","value":2187.0},{"date":"2007-01-01","value":2954.0},{"date":"2008-01-01","value":3556.0},{"date":"2009-01-01","value":4031.0},{"date":"2010-01-01","value":4164.0},{"date":"2011-01-01","value":4602.0},{"date":"2012-01-01","value":4887.0},{"date":"2013-01-01","value":4893.0},{"date":"2014-01-01","value":5193.0},{"date":"2015-01-01","value":5347.0},{"date":"2016-01-01","value":5873.0},{"date":"2017-01-01","value":5851.0},{"date":"2018-01-01","value":6285.0},{"date":"2019-01-01","value":6795.0},{"date":"2020-01-01","value":6220.0},{"date":"2021-01-01","value":6136.0},{"date":"2022-01-01","value":6826.0},{"date":"2023-01-01","value":6712.0},{"date":"2024-01-01","value":6222.0}],"summary":{"latest_period":"2024-01-01","latest_value":6222.0,"max":6826.0,"mean":4154.8,"min":329.0,"of":153,"rank":1,"trend":"volatile"}}