Number of clinical trials in Ireland

Ireland: Number of clinical trials was 21 trials in 2024. ◆ Volatile

Latest (2024)
21 trials
Change on year
down 61.8%
World rank
54th
of 153 countries
All-time high
55 trials
in 2023
All-time low
1 trials
in 2001
Years of data
22
2001–2024

Number of clinical trials in Ireland, 2001–2024

02040602001201220242001: 1 trials2003: 2 trials2004: 3 trials2005: 2 trials2007: 2 trials2008: 10 trials2009: 8 trials2010: 13 trials2011: 11 trials2012: 22 trials2013: 21 trials2014: 17 trials2015: 26 trials2016: 32 trials2017: 41 trials2018: 43 trials2019: 32 trials2020: 31 trials2021: 36 trials2022: 35 trials2023: 55 trials2024: 21 trials

Source: ClinicalTrials.gov (2025) – with major processing by Our World in Data. Measured in trials.

Analysis

The most recent figure for number of clinical trials in Ireland is 21 trials, measured in 2024.

That represents a change of down 61.8% on the previous year and up 23.5% over ten years.

Over the whole period, number of clinical trials in Ireland peaked at 55 trials in 2023 and was at its lowest, 1 trials, in 2001.

That places Ireland 54th out of 153 countries with data for 2024, putting it in the middle of the range.

The series is highly variable year to year, so single readings are best treated with caution.

Averages by decade

DecadeAverage LowestHighest Years
2000s 4 trials 1 trials 10 trials 7
2010s 25.8 trials 11 trials 43 trials 10
2020s 35.6 trials 21 trials 55 trials 5

Countries ranked near Ireland

  1. 53 United Arab Emirates 22 trials compare
  2. 55 Bangladesh 20 trials compare
  3. 55 New Zealand 20 trials compare
  4. 55 Serbia 20 trials compare

See the full ranking of 153 places →

More reference data data for Ireland

All data for Ireland →

Frequently asked questions

What is number of clinical trials in Ireland?
Number of clinical trials in Ireland was 21 trials in 2024, according to ClinicalTrials.gov (2025) – with major processing by Our World in Data.
What is the highest number of clinical trials recorded in Ireland?
The highest recorded value was 55 trials in 2023.
What is the lowest number of clinical trials recorded in Ireland?
The lowest recorded value was 1 trials in 2001.
How does Ireland rank for number of clinical trials?
Ireland ranks 54th out of 153 countries with data for 2024.
Is number of clinical trials rising or falling in Ireland?
Over the last ten years it is up 23.5%. The long-run trend across the full record is volatile.
Where does this Ireland data come from?
The figures come from ClinicalTrials.gov (2025) – with major processing by Our World in Data, published as part of Number of clinical trials. Statizoid updates them automatically from the source API.

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About this data

Indicator
Number of clinical trials
Unit
trials
Source
ClinicalTrials.gov (2025) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
153 places, 2,621 data points, 2000–2024
Last refreshed

Annual number of completed clinical trials registered in the ClinicalTrials.gov database for each country. Registration in the ClinicalTrials database is mandatory for trials in the United States, but voluntary for other countries.