Number of clinical trials in Belgium
Belgium: Number of clinical trials was 205 trials in 2024. ◆ Volatile
Number of clinical trials in Belgium, 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 Belgium is 205 trials, measured in 2024.
That represents a change of down 24.4% on the previous year and up 3.5% over ten years.
Over the whole period, number of clinical trials in Belgium peaked at 317 trials in 2021 and was at its lowest, 1 trials, in 2001.
That places Belgium 17th out of 153 countries with data for 2024, putting it in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Number of clinical trials in Belgium, year by year
| Year | trials | Change |
|---|---|---|
| 2001 | 1 trials | — |
| 2002 | 4 trials | +300.0% |
| 2003 | 12 trials | +200.0% |
| 2004 | 28 trials | +133.3% |
| 2005 | 39 trials | +39.3% |
| 2006 | 35 trials | -10.3% |
| 2007 | 50 trials | +42.9% |
| 2008 | 86 trials | +72.0% |
| 2009 | 117 trials | +36.0% |
| 2010 | 126 trials | +7.7% |
| 2011 | 147 trials | +16.7% |
| 2012 | 161 trials | +9.5% |
| 2013 | 155 trials | -3.7% |
| 2014 | 198 trials | +27.7% |
| 2015 | 223 trials | +12.6% |
| 2016 | 212 trials | -4.9% |
| 2017 | 248 trials | +17.0% |
| 2018 | 272 trials | +9.7% |
| 2019 | 310 trials | +14.0% |
| 2020 | 287 trials | -7.4% |
| 2021 | 317 trials | +10.5% |
| 2022 | 296 trials | -6.6% |
| 2023 | 271 trials | -8.4% |
| 2024 | 205 trials | -24.4% |
Belgium compared with similar countries
- Belgium's 205 trials is above the median for high income countries, which is 46.5 trials, 4.4× the median. (54 countries reporting)
- Belgium's 205 trials is above the median for Europe & Central Asia, which is 20.5 trials, 10.0× the median. (46 countries reporting)
Biggest year-on-year movements
Years where Number of clinical trials in Belgium 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 |
|---|---|---|---|
| 2002 | +300.0% | 1 trials | 4 trials |
| 2003 | +200.0% | 4 trials | 12 trials |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 41.33 trials | 1 trials | 117 trials | 9 |
| 2010s | 205.2 trials | 126 trials | 310 trials | 10 |
| 2020s | 275.2 trials | 205 trials | 317 trials | 5 |
Countries ranked near Belgium
More reference data data for Belgium
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.9298 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.291 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 2.09 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.1382 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 2.09 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 3.12 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 1.93 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 1.61 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 10.4 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.7526 (2050)
Frequently asked questions
- What is number of clinical trials in Belgium?
- Number of clinical trials in Belgium was 205 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 Belgium?
- The highest recorded value was 317 trials in 2021.
- What is the lowest number of clinical trials recorded in Belgium?
- The lowest recorded value was 1 trials in 2001.
- How does Belgium rank for number of clinical trials?
- Belgium ranks 17th out of 153 countries with data for 2024.
- Is number of clinical trials rising or falling in Belgium?
- Over the last ten years it is up 3.5%. The long-run trend across the full record is volatile.
- Where does this Belgium 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 — 24 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.