Retrospective clinical trial registration rate

One year ago (June 2025) the number of registered trials in 2024 in Western Pacific was 27,172, while this year (June 2026) that number is 32,498 indicating 5,326 trials have been retrospectively registered, a rate of 16%.

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APA

World Health Organization. (2024). Number of clinical trials by year, country, WHO region and income group (1999-2022). Retrieved September 17, 2026, from https://who.int/observatories/global-observatory-on-health-research-and-development/monitoring/number-of-clinical-trials-by-year-country-who-region-and-income-group. Via StatOrigin, https://statorigin.org/stat/stat_N52GQG715HKCZRPQZT88E9YESY

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MLA

World Health Organization. "Number of clinical trials by year, country, WHO region and income group (1999-2022)." 2024, https://who.int/observatories/global-observatory-on-health-research-and-development/monitoring/number-of-clinical-trials-by-year-country-who-region-and-income-group. Accessed 17 Sept. 2026 via StatOrigin, https://statorigin.org/stat/stat_N52GQG715HKCZRPQZT88E9YESY.

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Chicago

World Health Organization. "Number of clinical trials by year, country, WHO region and income group (1999-2022)." 2024. https://who.int/observatories/global-observatory-on-health-research-and-development/monitoring/number-of-clinical-trials-by-year-country-who-region-and-income-group. Accessed September 17, 2026. Cited from StatOrigin, https://statorigin.org/stat/stat_N52GQG715HKCZRPQZT88E9YESY.

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BibTeX

@misc{who2024retrospectivee9yesy, author = {{World Health Organization}}, title = {Number of clinical trials by year, country, WHO region and income group (1999-2022)}, year = {2024}, howpublished = {StatOrigin, https://statorigin.org}, url = {https://statorigin.org/stat/stat_N52GQG715HKCZRPQZT88E9YESY}, note = {Original source: https://who.int/observatories/global-observatory-on-health-research-and-development/monitoring/number-of-clinical-trials-by-year-country-who-region-and-income-group. Accessed September 17, 2026.} }

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Record last modified 17 September 2026. Value type: actual. Update cadence: annual. This page is permanently addressable at statorigin.org/stat/stat_N52GQG715HKCZRPQZT88E9YESY.