In 2023, the United States was the leading country for commercial clinical trial starts, with trials. This was a decrease from commercial trials conducted in 2018. Meanwhile, China, which ranked second in 2023 with commercial trials, nearly doubled its 2018 total of *** trials.
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EFPIA, & IQVIA, & Vaccines Europe. (October 29, 2024). Number of commercial clinical trial starts in top countries in 2023 vs. 2018 [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 31, 2026, from /statistics/1624745/global-commercial-clinical-trial-starts-by-country/
EFPIA, und IQVIA, und Vaccines Europe. "Number of commercial clinical trial starts in top countries in 2023 vs. 2018." Chart. October 29, 2024. ÌÇÐÄÆÆ½â°æ. Accessed July 31, 2026. /statistics/1624745/global-commercial-clinical-trial-starts-by-country/
EFPIA, IQVIA, Vaccines Europe. (2024). Number of commercial clinical trial starts in top countries in 2023 vs. 2018. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 31, 2026. /statistics/1624745/global-commercial-clinical-trial-starts-by-country/
EFPIA, and IQVIA, and Vaccines Europe. "Number of Commercial Clinical Trial Starts in Top Countries in 2023 Vs. 2018." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 29 Oct 2024, /statistics/1624745/global-commercial-clinical-trial-starts-by-country/
EFPIA & IQVIA & Vaccines Europe, Number of commercial clinical trial starts in top countries in 2023 vs. 2018 ÌÇÐÄÆÆ½â°æ, /statistics/1624745/global-commercial-clinical-trial-starts-by-country/ (last visited July 31, 2026)
Number of commercial clinical trial starts in top countries in 2023 vs. 2018 [Graph], EFPIA, & IQVIA, & Vaccines Europe, October 29, 2024. [Online]. Available: /statistics/1624745/global-commercial-clinical-trial-starts-by-country/