Data Journalism
2026 Sigma Awards for Data Journalism Are Open for Entries
The Sigma Awards celebrate the best data journalism from around the world. Submissions are now open for data projects published in 2025.
Topic
Data Journalism
663
posts
Upcoming event
Submissions Open for 2026 Sigma Awards
January 11, 2026
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Data Journalism
Data Cleaning Tools and Techniques for Non-Coders
Understanding, organizing, and validating data directly affects the accuracy of stories. New tools make cleaning accessible to journalists without coding.
Data Journalism
How Non-Coding Journalists Can Build Web Scrapers With AI — Examples and Prompts Included
With basic web knowledge, guidance, and examples, even non-coding journalists can build a scraper with large language models.
Data Journalism
Rewriting the Rules of Digital Verification: How African Investigative Journalists Are Building New Data Models
The global nonprofit WITNESS seeks to address one of the biggest data gaps in the digital verification landscape: the dependence on tools-based methods that lack local knowledge.
Data Journalism How They Did It
How a Le Monde Team Uncovered 300 Contaminants in France’s Groundwater
The French investigative reporter and data journalist shares the methods behind her team’s major investigation into Europe’s polluted groundwater crisis.
Data Journalism
Summer Reading List for Data Journalists: For Those Who Believe in the Power of Storytelling with Numbers
Featuring books spanning four continents, these recommended reads provide a global perspective on data journalism.
Data Journalism
Data-Driven Reporting for Investigating the Cultural Sector
At the 2025 Netzwerk Recherche conference, radio journalists shared how they used data and AI tools to investigate Germany’s cultural sector and the influence of the country’s far right.
Data Journalism
From Data to Storytelling: Concept and Design Tips from the Financial Times’ John Burn-Murdoch
The chief data reporter for the Financial Times discusses how he considers the use of text, color, and annotation to aid visual storytelling through charts and graphics.
Data Journalism
Looking Back on Five Years: How the Sigma Awards Have Rallied and Inspired Data Journalism Excellence
After five years and 2,875 project entries from more than 100 countries, the Sigma Awards have become a catalyst for innovation and forever changed the face of data journalism.
Awards, Grants, & Fellowships Data Journalism
From Flammable Buildings to Slavery’s Hidden Legacy to Tainted Groundwater: Projects from 10 Countries Win GIJN’s 2025 Sigma Awards
Ten outstanding data-driven journalism projects were chosen by the Prize Committee. They were among nearly 500 entries from 80 countries.
Awards, Grants, & Fellowships Data Journalism
Announcing the Sigma Awards 2025 Shortlist
GIJN, the new home of the Sigma Awards, is proud to announce the 2025 shortlist for the best data journalism projects and portfolios in the past year.
Data Journalism News & Analysis
Tracking US Migrant Detention Data: What Journalists Need to Understand
The US government’s detained immigrant population flatlined in April, but there’s more to the numbers than meets the eye. Here’s what journalists need to know about the data.
Data Journalism Reporting Tools & Tips
As Trump White House Disappears US Environmental Data, Reporters Can Turn to OECD
The wide range of international environmental data that the OECD offers, though often Eurocentric, is still extensive in scope and comparatively reliable.
Data Journalism
Data Don’ts: Expert Tips to Avoid Misleading Audiences With Numbers
At a NICAR 2025 panel, data journalism experts discussed nuanced number errors that watchdog reporters often make that can confuse readers and disrupt story angles.
Data Journalism MENA Focus Week
How Middle Eastern Data Outlets Use Data to Challenge Narratives and Advance Accountability
Data journalism in the Middle East has been driven by organizations that have produced collaborations and projects that combine innovative techniques with nuanced local knowledge.
Climate Data Journalism
How The Pudding Used Data Visualizations to Recontextualize the Story of Climate Change
What does climate change feel like? How will your city’s climate shift, 50 years from now? Data scientist Derek Taylor explains his latest piece.
Data Journalism Methodology
How AI Is Helping Independent Journalists Track Wartime Casualties of Russia
Exiled Russian media site IStories has shared with GIJN how it built an AI-powered database of Russian military war dead and missing, and why it was worth creating.
Data Journalism Reporting Tools & Tips
Telltale Data Signs of Bogus Scientific Papers and Fraudulent Academic Research
Two scientists and an editor spent six months investigating so-called paper mills, which churn out bogus scientific papers that impede actual research on lifesaving breakthroughs.
Data Journalism Reporting Tools & Tips
From NICAR25, Four Free Cutting Edge and Time-Saving Investigative Data Tools
GIJN shares some of the no-cost, easy-to-use data tools that NICAR25 conference panelists described as surprisingly useful but unknown by investigative reporters.
Data Journalism News & Analysis
‘A Quest for Evidence’: What Drew Leading Women Data Journalists to the Field
For International Women’s Day we spoke to data journalists from Argentina, Kenya, Sweden, and Turkey to find out why they chose this path and what challenges still remain.
Data Journalism How They Did It
Using WhatsApp to Crowdsource Data on Ride Hailing Companies’ Labor Lockouts
We used WhatsApp to crowdsource information from Uber and Lyft drivers in NYC about company lockouts during a local, minimum wage dispute.
Data Journalism Databases
The Secret Sauce of NINA, El CLIP’s Data Community Tool for Latin America
CLIP developed a collaborative database that empowers journalists to access public documents, contracts, and datasets across Latin America.
Data Journalism How They Did It
Documenting the Unidentified Graves of Migrants in Europe’s Borderlands
This investigation sought to answer key questions that no government could answer: What happens when someone goes missing at Europe’s borders? And how many burial sites are there across Europe?
Data Journalism How They Did It
How I Did It: Extracting and Analyzing National Budget Data Using a Custom AI Bot
Filipino journalist Jaemark Tordecilla explains how he made and refined a custom AI tool that makes it easier to report on public spending from budgets published online.
Past event
Submissions Open for 2025 Sigma Awards, GIJN New Host of Data Journalism Award
March 7, 2025
Information ↗
Chapter Guide Resource
Introduction to Investigative Journalism: Data Journalism
As the use of the internet spread and increasing amounts of data emerged, the term “data journalism” arose to describe reporting powered by data and analysis.
Africa Focus Data Journalism
How Data Journalism Is Changing the Face of Africa
Data journalism in Africa has made a powerful impact, from holding leaders accountable to refuting myths around domestic violence. But the field faces formidable challenges.