Number of clinical trials in Ireland
Ireland: Number of clinical trials was 21 trials in 2024. ◆ Volatile
Number of clinical trials in Ireland, 2001–2024
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.
Number of clinical trials in Ireland, year by year
| Year | trials | Change |
|---|---|---|
| 2001 | 1 trials | — |
| 2003 | 2 trials | +100.0% |
| 2004 | 3 trials | +50.0% |
| 2005 | 2 trials | -33.3% |
| 2007 | 2 trials | +0.0% |
| 2008 | 10 trials | +400.0% |
| 2009 | 8 trials | -20.0% |
| 2010 | 13 trials | +62.5% |
| 2011 | 11 trials | -15.4% |
| 2012 | 22 trials | +100.0% |
| 2013 | 21 trials | -4.5% |
| 2014 | 17 trials | -19.0% |
| 2015 | 26 trials | +52.9% |
| 2016 | 32 trials | +23.1% |
| 2017 | 41 trials | +28.1% |
| 2018 | 43 trials | +4.9% |
| 2019 | 32 trials | -25.6% |
| 2020 | 31 trials | -3.1% |
| 2021 | 36 trials | +16.1% |
| 2022 | 35 trials | -2.8% |
| 2023 | 55 trials | +57.1% |
| 2024 | 21 trials | -61.8% |
Ireland compared with similar countries
- Ireland's 21 trials is below the median for high income countries, which is 46.5 trials, 45% of the median. (54 countries reporting)
- Ireland's 21 trials is above the median for Europe & Central Asia, which is 20.5 trials, 1.0× the median. (46 countries reporting)
Biggest year-on-year movements
Years where Number of clinical trials in Ireland changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2008 | +400.0% | 2 trials | 10 trials |
Averages by decade
| Decade | Average | Lowest | Highest | 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
- 53 United Arab Emirates 22 trials compare
- 55 Bangladesh 20 trials compare
- 55 New Zealand 20 trials compare
- 55 Serbia 20 trials compare
More reference data data for Ireland
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 1.45 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 1.19 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 4.37 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.0921 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 4.37 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 4.87 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 3.37 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 5.6 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 21.02 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.5015 (2050)
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.
Download this data
CSV · JSON — 22 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
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.