Number of clinical trials in Brazil
Brazil: Number of clinical trials was 163 trials in 2024. ◆ Volatile
Number of clinical trials in Brazil, 2000–2024
Source: ClinicalTrials.gov (2025) – with major processing by Our World in Data. Measured in trials.
Analysis
In 2024, number of clinical trials in Brazil stood at 163 trials.
The figure is down 19.7% on the previous year and down 14.7% over ten years.
Over the whole period, number of clinical trials in Brazil peaked at 296 trials in 2018 and was at its lowest, 1 trials, in 2000.
That places Brazil 18th 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 Brazil, year by year
| Year | trials | Change |
|---|---|---|
| 2000 | 1 trials | — |
| 2001 | 3 trials | +200.0% |
| 2002 | 5 trials | +66.7% |
| 2003 | 9 trials | +80.0% |
| 2004 | 15 trials | +66.7% |
| 2005 | 26 trials | +73.3% |
| 2006 | 52 trials | +100.0% |
| 2007 | 86 trials | +65.4% |
| 2008 | 133 trials | +54.7% |
| 2009 | 185 trials | +39.1% |
| 2010 | 158 trials | -14.6% |
| 2011 | 186 trials | +17.7% |
| 2012 | 249 trials | +33.9% |
| 2013 | 226 trials | -9.2% |
| 2014 | 191 trials | -15.5% |
| 2015 | 243 trials | +27.2% |
| 2016 | 268 trials | +10.3% |
| 2017 | 293 trials | +9.3% |
| 2018 | 296 trials | +1.0% |
| 2019 | 283 trials | -4.4% |
| 2020 | 249 trials | -12.0% |
| 2021 | 208 trials | -16.5% |
| 2022 | 185 trials | -11.1% |
| 2023 | 203 trials | +9.7% |
| 2024 | 163 trials | -19.7% |
Brazil compared with similar countries
- Brazil's 163 trials is above the median for upper middle income countries, which is 5 trials, 32.6× the median. (41 countries reporting)
- Brazil's 163 trials is above the median for Latin America & Caribbean, which is 3 trials, 54.3× the median. (23 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 51.5 trials | 1 trials | 185 trials | 10 |
| 2010s | 239.3 trials | 158 trials | 296 trials | 10 |
| 2020s | 201.6 trials | 163 trials | 249 trials | 5 |
Countries ranked near Brazil
More reference data data for Brazil
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 13.82 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 72.83 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 139.27 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 9.01 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 139.27 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 46.34 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 18.99 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 405.35 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 699.19 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 49.04 (2050)
Frequently asked questions
- What is number of clinical trials in Brazil?
- Number of clinical trials in Brazil was 163 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 Brazil?
- The highest recorded value was 296 trials in 2018.
- What is the lowest number of clinical trials recorded in Brazil?
- The lowest recorded value was 1 trials in 2000.
- How does Brazil rank for number of clinical trials?
- Brazil ranks 18th out of 153 countries with data for 2024.
- Is number of clinical trials rising or falling in Brazil?
- Over the last ten years it is down 14.7%. The long-run trend across the full record is volatile.
- Where does this Brazil 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 — 25 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.