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Our World in Data Profile picture
Our World in Data
@OurWorldInData
Research and data to make progress against the world’s largest problems. Based out of @UniOfOxford, founded by @MaxCRoser.
2 subscribers
Jan 9 • 8 tweets • 4 min read
Each Friday, we’ve been sharing highlights from our Top of the Charts, a look back at our most popular charts, articles, data insights, and more in 2025.

Today we give you the last top 5 from that list: the most-downloaded datasets in 2025 🧵

1. COVID-19

Data from several sources, including data on COVID-19 vaccinations and testing collected by us

→ ourworldindata.org/explorers/covidImage 2. CO₂ emissions

Data from the Global Carbon Budget

→ ourworldindata.org/grapher/annual…Image
Dec 10, 2024 • 7 tweets • 3 min read
The world is awful. The world is much better. The world can be much better.

All three statements are true at the same time. Understanding this is key to solving big global problems.

At OWID, we believe data & research can help us understand both the problems we face & the progress that’s possible. 🧵A chart in three parts showing data on child mortality to make the points that "The world is awful. The world is much better. The world can be much better. All three statements are true at the same time." To understand problems, we need data & research.

It’s tempting to believe that we can simply rely on personal experience to develop our understanding of the world.

But that’s not the case, as our founder Max Roser explains in this essay: ourworldindata.org/limits-persona…
May 15, 2020 • 11 tweets • 5 min read
Without data we can not understand the pandemic.

And so we set ourselves the goal of building the most helpful global dashboard to understand what is happening.

Now it is out: OurWorldInData.org/Coronavirus-Da…

👇A thread on what you can do with our new #COVID19 Data Explorer. You can switch between 3 metrics:

• Confirmed cases & confirmed deaths.
A global dataset, daily updated from the @ECDC_EU.

• Our database on testing.
It is crucial to interpret all data in light of the data on testing, because there is no data on the pandemic without testing.