California’s Raging Wildfires, Iran’s Forbidden Oil Cargoes, and Falling Birth Rates in Japan

This edition of our Top 10 in Data Journalism highlights stories from the start of the year up to January 12 .

From war and conflict to environmental disasters, there have been a number of notable events for data reporters to delve into.

This edition highlights a BBC analysis of global temperature data in 2024 , a Reuters investigation into how Iran is evading oil sanctions, a Serendipia report on fentanyl production in Mexico .

Japan ’s extremely low birth rate, combined with its aging population, is putting the country on a dangerous path.

At current rates of decline, only one child under the age of 14 will remain in 695 years .

Der Spiegel used data from the Mercator projection to show the real size of Greenland would fit inside the continental US four times.

The United States appeared on the list the most, at 155 times, followed by Italy ( 29 times) and France ( 28 times). Ana Beatriz Assam is GIJN ’s Portuguese editor and a Brazilian journalist. She has worked as a freelance reporter for the newspaper O Estado de São Paulo , mainly covering stories featuring data journalism. She has also worked for the Brazilian Association of Investigative Journalism ( Abraji ) as an assistant coordinator of journalism courses..