Clinical trials

Number of clinical trials completed in the nation in the year.

Overview

Source
ClinicalTrials.gov – Our World in Data, ClinicalTrials.gov (2025), retrieved 8 August 2026
Notes
—
Date Range
2000–2024
Last Updated
July 2025
Next Update Expected
—
Unit
trials
Scale
units
License
CC BY 4.0
Chart
Region
Sort
2000
2024
2024

Completed clinical trials, 2024

🇺🇸United States2024
6,222
#1 World
20002024
🇹🇷Turkey2024
2,075
#2 World
20002024
🇨🇳China2024
1,649
#3 World
20002024
🇪🇬Egypt2024
1,144
#4 World
20002024
🇫🇷France2024
896
#5 World
20002024
🇪🇸Spain2024
566
#6 World
20002024
🇮🇹Italy2024
561
#7 World
20002024
🇨🇦Canada2024
527
#8 World
20002024
🇬🇧United Kingdom2024
487
#9 World
20002024
🇵🇰Pakistan2024
452
#10 World
20002024
🇩🇪Germany2024
420
#11 World
20002024
🇰🇷South Korea2024
282
#12 World
20002024
🇩🇰Denmark2024
258
#13 World
20002024
🇳🇱Netherlands2024
251
#14 World
20002024
🇹🇼Taiwan2024
235
#15 World
20002024
🇨🇭Switzerland2024
231
#16 World
20002024
🇧🇪Belgium2024
205
#17 World
20002024
🇧🇷Brazil2024
163
#18 World
20002024
🇸🇪Sweden2024
162
#19 World
20002024
🇦🇺Australia2024
158
#20 World
20002024
🇯🇵Japan2024
138
#21 World
20002024
🇮🇳India2024
131
#22 World
20002024
🇵🇱Poland2024
121
#23 World
20002024
🇭🇰Hong Kong2024
112
#24 World
20002024
🇹🇭Thailand2024
105
#25 World
20002024
🇷🇺Russia2024
96
#26 World
20002024
🇮🇩Indonesia2024
88
#27 World
20002024
🇦🇹Austria2024
86
#28 World
20002024
🇳🇴Norway2024
85
#29 World
20002024
🇬🇷Greece2024
72
#30 World
20002024
🇲🇽Mexico2024
68
#31 World
20002024
🇮🇱Israel2024
64
#32 World
20002024
🇸🇦Saudi Arabia2024
58
#33 World
20002024
🇻🇳Vietnam2024
58
#33 World
20002024
🇸🇬Singapore2024
57
#35 World
20002024
🇵🇹Portugal2024
56
#36 World
20002024
🇿🇦South Africa2024
54
#37 World
20002024
🇫🇮Finland2024
51
#38 World
20002024
🇨🇿Czech Republic2024
50
#39 World
20002024
🇲🇾Malaysia2024
44
#40 World
20002024
🇨🇱Chile2024
43
#41 World
20002024
🇸🇮Slovenia2024
35
#42 World
20002024
🇨🇴Colombia2024
33
#43 World
20002024
🇮🇶Iraq2024
32
#44 World
20002024
🇰🇪Kenya2024
32
#44 World
20002024
🇮🇷Iran2024
31
#46 World
20002024
🇳🇵Nepal2024
31
#46 World
20002024
🇭🇺Hungary2024
28
#48 World
20002024
🇺🇬Uganda2024
28
#48 World
20002024
🇦🇷Argentina2024
23
#50 World
20002024
🇯🇴Jordan2024
23
#50 World
20002024
🇷🇴Romania2024
23
#50 World
20002024
🇦🇪United Arab Emirates2024
22
#53 World
20002024
🇮🇪Ireland2024
21
#54 World
20002024
🇧🇩Bangladesh2024
20
#55 World
20002024
🇳🇿New Zealand2024
20
#55 World
20002024
🇷🇸Serbia2024
20
#55 World
20002024
🇱🇧Lebanon2024
19
#58 World
20002024
🇵🇭Philippines2024
19
#58 World
20002024
🇹🇳Tunisia2024
19
#58 World
20002024
🇧🇬Bulgaria2024
16
#61 World
20002024
🇸🇾Syria2024
15
#62 World
20002024
🇧🇫Burkina Faso2024
13
#63 World
20002024
🇰🇿Kazakhstan2024
13
#63 World
20002024
🇳🇬Nigeria2024
13
#63 World
20002024
🇪🇹Ethiopia2024
12
#66 World
20002024
🇹🇿Tanzania2024
12
#66 World
20002024
🇭🇷Croatia2024
11
#68 World
20002024
🇲🇼Malawi2024
11
#68 World
20002024
🇬🇭Ghana2024
9
#70 World
20002024
🇶🇦Qatar2024
9
#70 World
20002024
🇷🇼Rwanda2024
9
#70 World
20002024
🇺🇦Ukraine2024
9
#70 World
20002024
🇿🇲Zambia2024
9
#70 World
20002024
🇨🇾Cyprus2024
8
#75 World
20002024
🇨🇩DRC2024
8
#75 World
20002024
🇰🇼Kuwait2024
8
#75 World
20002024
🇸🇰Slovakia2024
8
#75 World
20002024
🇧🇦Bosnia and Herzegovina2024
7
#79 World
20002024
🇨🇲Cameroon2024
7
#79 World
20002024
🇲🇱Mali2024
7
#79 World
20002024
🇵🇸Palestine2024
7
#79 World
20002024
🇵🇪Peru2024
7
#79 World
20002024
🇮🇸Iceland2024
6
#84 World
20002024
🇪🇪Estonia2024
5
#85 World
20002024
🇬🇪Georgia2024
5
#85 World
20002024
🇱🇻Latvia2024
5
#85 World
20002024
🇱🇹Lithuania2024
5
#85 World
20002024
🇲🇦Morocco2024
5
#85 World
20002024
🇴🇲Oman2024
5
#85 World
20002024
🇸🇩Sudan2024
5
#85 World
20002024
🇰🇭Cambodia2024
4
#92 World
20002024
🇲🇿Mozambique2024
4
#92 World
20002024
🇦🇲Armenia2024
3
#94 World
20002024
🇨🇷Costa Rica2024
3
#94 World
20002024
🇨🇮Côte d'Ivoire2024
3
#94 World
20002024
🇪🇨Ecuador2024
3
#94 World
20002024
🇬🇹Guatemala2024
3
#94 World
20002024
🇱🇦Laos2024
3
#94 World
20002024
🇱🇸Lesotho2024
3
#94 World
20002024
🇱🇺Luxembourg2024
3
#94 World
20002024
🇵🇬Papua New Guinea2024
3
#94 World
20002024
🇵🇾Paraguay2024
3
#94 World
20002024
🇵🇷Puerto Rico2024
3
#94 World
20002024
🇧🇭Bahrain2024
2
#105 World
20002024
🇲🇲Burma2024
2
#105 World
20002024
🇨🇫Central African Republic2024
2
#105 World
20002024
🇭🇳Honduras2024
2
#105 World
20002024
🇲🇴Macau2024
2
#105 World
20002024
🇲🇩Moldova2024
2
#105 World
20002024
🇲🇳Mongolia2024
2
#105 World
20002024
🇳🇮Nicaragua2024
2
#105 World
20002024
🇳🇪Niger2024
2
#105 World
20002024
🇸🇱Sierra Leone2024
2
#105 World
20002024
🇻🇪Venezuela2024
2
#105 World
20002024
🇾🇪Yemen2024
2
#105 World
20002024
🇿🇼Zimbabwe2024
2
#105 World
20002024
🇦🇱Albania2024
1
#118 World
20002024
🇩🇿Algeria2024
1
#118 World
20002024
🇦🇴Angola2024
1
#118 World
20002024
🇧🇧Barbados2024
1
#118 World
20002024
🇧🇴Bolivia2024
1
#118 World
20002024
🇧🇼Botswana2024
1
#118 World
20002024
🇨🇺Cuba2024
1
#118 World
20002024
🇫🇴Faroe Islands2024
1
#118 World
20002024
🇫🇯Fiji2024
1
#118 World
20002024
🇵🇫French Polynesia2024
1
#118 World
20002024
🇬🇦Gabon2024
1
#118 World
20002024
🇬🇱Greenland2024
1
#118 World
20002024
🇬🇼Guinea-Bissau2024
1
#118 World
20002024
🇭🇹Haiti2024
1
#118 World
20002024
🇽🇰Kosovo2024
1
#118 World
20002024
🇱🇾Libya2024
1
#118 World
20002024
🇲🇬Madagascar2024
1
#118 World
20002024
🇲🇹Malta2024
1
#118 World
20002024
🇲🇨Monaco2024
1
#118 World
20002024
🇳🇦Namibia2024
1
#118 World
20002024
🇳🇨New Caledonia2024
1
#118 World
20002024
🇲🇵Northern Mariana Islands2024
1
#118 World
20002024
🇵🇦Panama2024
1
#118 World
20002024
🇸🇳Senegal2024
1
#118 World
20002024
🇸🇸South Sudan2024
1
#118 World
20002024
🇱🇰Sri Lanka2024
1
#118 World
20002024
🇸🇿Swaziland2024
1
#118 World
20002024
🇩🇴The Dominican2024
1
#118 World
20002024
🇺🇿Uzbekistan2024
1
#118 World
20002024
🇦🇫Afghanistan2024
—
20002024
🇦🇸American Samoa2024
—
20002024
🇦🇩Andorra2024
—
20002024
🇦🇬Antigua and Barbuda2024
—
20002024
🇦🇿Azerbaijan2024
—
20002024
🇧🇾Belarus2024
—
20002024
🇧🇿Belize2024
—
20002024
🇧🇯Benin2024
—
20002024
🇧🇹Bhutan2024
—
20002024
🇧🇳Brunei2024
—
20002024
🇧🇮Burundi2024
—
20002024
🇨🇻Cabo Verde2024
—
20002024
🇹🇩Chad2024
—
20002024
🇰🇲Comoros2024
—
20002024
🇨🇬Congo (Brazzaville)2024
—
20002024
🇸🇻El Salvador2024
—
20002024
🇬🇶Equatorial Guinea2024
—
20002024
🇪🇷Eritrea2024
—
20002024
🇬🇩Grenada2024
—
20002024
🇬🇺Guam2024
—
20002024
🇬🇳Guinea2024
—
20002024
🇬🇾Guyana2024
—
20002024
🇯🇲Jamaica2024
—
20002024
🇰🇬Kyrgyzstan2024
—
20002024
🇱🇷Liberia2024
—
20002024
🇱🇮Liechtenstein2024
—
20002024
🇲🇰Macedonia2024
—
20002024
🇲🇺Mauritius2024
—
20002024
🇫🇲Micronesia, Federated States of2024
—
20002024
🇲🇪Montenegro2024
—
20002024
🇰🇳Saint Kitts and Nevis2024
—
20002024
🇼🇸Samoa2024
—
20002024
🇸🇲San Marino2024
—
20002024
🇸🇧Solomon Islands2024
—
20002024
🇸🇴Somalia2024
—
20002024
🇸🇷Suriname2024
—
20002024
🇹🇯Tajikistan2024
—
20002024
🇧🇸The Bahamas2024
—
20002024
🇬🇲The Gambia2024
—
20002024
🇹🇱Timor-Leste2024
—
20002024
🇹🇬Togo2024
—
20002024
🇹🇹Trinidad and Tobago2024
—
20002024
🇹🇲Turkmenistan2024
—
20002024
🇺🇾Uruguay2024
—
20002024
🇻🇺Vanuatu2024
—
20002024

Citations

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