Tanzania: Public Procurement Regulatory Authority (PPRA)

The Public Procurement Regulatory Authority (PPRA) publishes open contracting data through the NeST Open Contracting Data Portal to strengthen transparency, accountability, and integrity in public procurement.

The data publication covers all key stages of the procurement cycle. It includes all public bodies and any other entities or units established and mandated by the Government of Tanzania to perform public functions. Security organs engaged in procurements of restricted or classified items are excluded. Certain categories of information are excluded, which includes personal data protected under the Personal Data Protection Act; documents or data whose disclosure would compromise security, defence, or international relations; commercially sensitive details; and any information that would contravene Tanzanian law, undermine law enforcement or fair competition, or reveal detailed tender evaluation processes.

Available formats:
JSON
Excel
CSV
Access

Overview

Data date range:
Feb 2022 - Jul 2025
Update frequency:
Daily
Main language:
English
OCID prefix:
ocds-mv5oob
License:
Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)

You are free to:

  • Share — copy and redistribute the material in any medium or format
  • Adapt — remix, transform, and build upon the material for any purpose, even commercially.

The licensor cannot revoke these freedoms as long as you follow the license terms.

Under the following terms:

  • Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • ShareAlike — If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original.
  • No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.
Publication policy:
https://data.nest.go.tz/publication-policy
Last retrieved:
Jul 2025 (retrieved monthly)
Retrieved from:
https://data.nest.go.tz/ocds

Data available

A contracting process has several stages: tendering, awarding, contracting and implementation. You can learn about the contracting stages in this tutorial.

Parties

Count of parties:
496,610

Planning

Count of planning activities:
159,482

Tenders

Count of tenders:
197,696
Count of tenderers:
0
Count of tender items:
2,077,172

Awards

Count of awards:
12,087
Count of suppliers:
12,087
Count of award items:
0

Contracts

Count of contracts:
2,100
Count of contract items:
0
Count of transactions:
0

Documents

Count of documents:
0

Milestones

Count of milestones:
0

Amendments

Count of amendments:
0

The data publication does not declare any extensions, however the pagination extension is used to add a links object to release packages and records packages, supporting pagination.

Data quality

The dataset has quality issues to take into account, notably:

  • A majority of the releases are missing their corresponding planning stage releases for the values provided in the relatedProcesses.identifier field.
  • Almost all contracts have the status “pending”.
  • Parties’ roles are not referenced correctly in the majority of releases.
  • A minority of releases are missing awards stage data for the values provided in the contract/awardID field.
  • In a minority of the releases the buyer field does not have the same value for its name field as the party it references.
  • The total value of the top 1% of the fields contracts/value/amount and awards/value/amount is higher than that of the remaining values, indicating the presence of extreme outliers in those fields.

Last reviewed: Jul 2025

Access data

This OCDS dataset is available for download in JSON, Excel or CSV format. You can download the data for contracting processes in a specific year or for all time.

JSON

Each contracting process is represented as one line of JSON text in the .jsonl file.

The .jsonl file is compressed using Gzip. Windows users need 7-Zip, WinRAR or WinZip to decompress the .gz file.

Excel

Each contracting process is represented as one row in the main sheet. Other sheets link to it via the _link_main column.

Excel files can have at most 1,048,576 rows. If a year is missing, it had too many rows. Download the CSV files, instead.

CSV

Each contracting process is represented as one row in the main.csv file. Other files link to it via the _link_main column.

The .csv files are archived using tar and compressed using Gzip. Windows users need 7-Zip, WinRAR or WinZip to decompress the .tar.gz file.

Do you have any questions or feedback on this dataset or any other content on this page?
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