Top clinical trial participant countries worldwide 2015-19, by share

Published by
Matej Mikulic,
Dec 12, 2022
This statistic shows the distribution of the top 20 countries worldwide based on clinical trial participants in 2015-2019, by share. In the United States, there were some 35 percent of all clinical trial participants worldwide, which was the largest share amongst all the other countries.

Top 20 clinical trial participant countries worldwide in 2015-2019, by share of participants

CharacteristicShare of participants
United States 35%
Poland 4%
Germany 4%
Russia 4%
Japan 3%
Canada 3%
Czechia 3%
Ukraine 2%
France 2%
India 2%
United Kingdom 2%
Spain 2%
Hungary 2%
Showing entries 1 to 13 (20 entries in total)
Created with Highcharts 7.2.2Share of participants35%35%4%4%4%4%4%4%3%3%3%3%3%3%2%2%2%2%2%2%2%2%2%2%2%2%2%2%2%2%2%2%2%2%2%2%1%1%1%1%United StatesPolandGermanyRussiaJapanCanadaCzechiaUkraineFranceIndiaUnited KingdomSpainHungaryItalyBrazilArgentinaRomaniaBulgariaSouth KoreaChina
0%2%4%6%8%10%12%14%16%18%20%22%24%26%28%30%32%34%36%38%40%

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Release date

November 2020

Region

Worldwide

Survey time period

2015 to 2019

Number of respondents

292,537 respondents

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