Number of clinical trials in Tanzania

Tanzania: Number of clinical trials was 12 trials in 2024. ◆ Volatile

Latest (2024)
12 trials
Change on year
unchanged
World rank
66th
of 153 countries
All-time high
21 trials
in 2020
All-time low
1 trials
in 2002
Years of data
22
2002–2024

Number of clinical trials in Tanzania, 2002–2024

051015202002201320242002: 1 trials2004: 3 trials2005: 3 trials2006: 4 trials2007: 5 trials2008: 5 trials2009: 9 trials2010: 4 trials2011: 9 trials2012: 10 trials2013: 13 trials2014: 9 trials2015: 9 trials2016: 10 trials2017: 18 trials2018: 14 trials2019: 18 trials2020: 21 trials2021: 17 trials2022: 12 trials2023: 12 trials2024: 12 trials

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

Analysis

Tanzania recorded 12 trials for number of clinical trials in 2024.

The figure is up 33.3% over ten years.

Over the whole period, number of clinical trials in Tanzania peaked at 21 trials in 2020 and was at its lowest, 1 trials, in 2002.

That places Tanzania 66th 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 4.29 trials 1 trials 9 trials 7
2010s 11.4 trials 4 trials 18 trials 10
2020s 14.8 trials 12 trials 21 trials 5

Countries ranked near Tanzania

  1. 63 Burkina Faso 13 trials compare
  2. 63 Kazakhstan 13 trials compare
  3. 63 Nigeria 13 trials compare
  4. 66 Ethiopia 12 trials compare
  5. 68 Croatia 11 trials compare
  6. 68 Malawi 11 trials compare

See the full ranking of 153 places →

More reference data data for Tanzania

All data for Tanzania →

Frequently asked questions

What is number of clinical trials in Tanzania?
Number of clinical trials in Tanzania was 12 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 Tanzania?
The highest recorded value was 21 trials in 2020.
What is the lowest number of clinical trials recorded in Tanzania?
The lowest recorded value was 1 trials in 2002.
How does Tanzania rank for number of clinical trials?
Tanzania ranks 66th out of 153 countries with data for 2024.
Is number of clinical trials rising or falling in Tanzania?
Over the last ten years it is up 33.3%. The long-run trend across the full record is volatile.
Where does this Tanzania 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.