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ourworldindata.org
Our World in Data
@ourworldindata.org
Research and data to make progress against the world’s largest problems. Based out of Oxford University (@ox.ac.uk), founded by @maxroser.bsky.social.
Pinned
All three statements are true at the same time—
📊 Explore updated data on metals and minerals—

Lithium is one of many critical minerals that we’ve come to rely on. It’s used in many industries, and is perhaps best known for its use in most rechargeable batteries.
February 3, 2026 at 5:21 PM
What is the most common religious affiliation in each country?

Three-quarters of people worldwide say they are religious. But rates of religious identity can vary a lot across countries, and so do the particular religions people follow.
February 3, 2026 at 10:22 AM
To some young people living in democracies, authoritarianism may seem like a long-forgotten part of their country’s history.
February 2, 2026 at 6:05 PM
William Foege, the physician who saved many millions from smallpox—

William Foege, who sadly died this week, is one of the reasons why this map ends in the 1970s.
January 31, 2026 at 10:39 AM
People living in England and Wales are much less likely to be victims of theft than in the 1990s—

Several data sources show that theft in England and Wales has declined in recent decades.

One of those is police records — but they only capture reported crimes, and many people don’t report thefts.
January 29, 2026 at 3:52 PM
📊 Explore updated data on HIV/AIDS—

When HIV was first identified four decades ago, nearly 100% of those infected died, typically within a few years.

Thankfully, global public health efforts and medical advances such as antiretroviral therapy (ART) have improved this situation dramatically.
January 28, 2026 at 2:46 PM
Weighing in at over 150 tonnes, Blue Whales are the largest animal to have lived on Earth.

But their size hasn’t protected them from human exploitation. In fact, their size made them a valuable source of oil, meat, and blubber. This fat gave us a rich fuel for energy and many other industrial uses.
January 28, 2026 at 11:12 AM
Indonesia’s shift to cleaner cooking fuels has greatly improved air quality and health—

In 2000, less than 10% of the population in Indonesia had access to clean cooking fuels. This is now over 90%, as the chart shows.
January 27, 2026 at 10:12 AM
Did you know there’s a single place to stay up to date with all our latest work?

Our homepage Updates and Announcements feed shows all our latest articles, data insights, data updates, website upgrades, and other announcements.
January 26, 2026 at 5:34 PM
✍️ New article: Could biofuels meet demand for global aviation?

Biofuels get a lot of attention as a way to decarbonize aviation. A small amount of biofuel is already blended into jet fuel supplies in some countries. For many airlines, biofuels are currently the most practical decarbonization option
January 26, 2026 at 2:40 PM
Stomach cancer used to be the main cause of cancer mortality in Japan; since then, rates have fallen dramatically—

Back in 1980, stomach cancer was the type of cancer that someone in Japan was most likely to die from.
January 24, 2026 at 6:07 PM
Reposted by Our World in Data
My new book — Clearing the Air — comes out in the US on February 19th 📚

Goodreads is running a giveaway, in case you want to enter and have a chance of getting a free copy!

@mitpress.bsky.social

www.goodreads.com/giveaway/sho...
Book giveaway for Clearing the Air: A Hopeful Guide to Solving Climate Change in 50 Questions and Answers by Hannah Ritchie Jan 23-Feb 06, 2026
Enter to win one of 5 free copies available. Giveaway dates from Jan 23-Feb 06, 2026. We can’t afford to delay climate action, but with all the shouting ...
www.goodreads.com
January 23, 2026 at 2:34 PM
📊 Data update: Explore updated data on social spending by governments—

How much are different countries spending on social programs like housing, unemployment, benefits for the sick and elderly, and more?
January 23, 2026 at 4:05 PM
Suicide rates in Lithuania have more than halved since their 1990s peak—

Following the collapse of the Soviet Union and the social and economic disruption that it left behind, suicide rates in Lithuania increased rapidly.
January 22, 2026 at 9:47 AM
Globally, seasonal influenza kills an average of 700,000 people each year from respiratory disease or cardiovascular disease.

During large flu pandemics, when influenza strains evolved substantially, the death toll was even higher.
January 21, 2026 at 4:53 PM
📊 Data update: Track how forests are changing around the world—

How are forest sizes changing around the world? Where is deforestation happening most, and where are forests actually growing in size through afforestation or natural expansion?
January 21, 2026 at 2:12 PM
Check out this very interesting tool from Giving What We Can that relies on our data!
Being born is a roll of the dice.

Most of us got insanely lucky.

Imagine you had to roll again, how would you want the world to look?

www.givingwhatwecan.org/birth-lottery
Birth Lottery
If you were reborn today, where would you land? And how would that change your life?
www.givingwhatwecan.org
January 20, 2026 at 11:45 AM
Over 40,000 near-Earth asteroids have been detected since 1990—

Since the late 20th century, astronomers and space agencies have taken steps to monitor the threat of large asteroids passing near Earth.
January 20, 2026 at 11:21 AM
✍️ New article: "How have crime rates in the United States changed over the last 50 years?"

Crime is clearly a concern for many people. Nearly 60% of Americans, for example, say that reducing crime should be a top priority for the US president and Congress.
January 19, 2026 at 3:36 PM
Check out our founder @maxroser.bsky.social’s interview in the book “Speak Data” by Giorgia Lupi and Phillip Cox—

In the interview, Max speaks about pandemic misinformation, how words can sometimes better explain data than numbers themselves, and the origins and mission of Our World in Data:
January 19, 2026 at 11:25 AM
Malaysia is an outlier: richer than its neighbors but doing worse on child nutrition—

If we look at income levels across countries in South and Southeast Asia, Malaysia is far richer than many of its neighbors. Its gross domestic product (GDP) per capita has almost doubled since 2000.
January 18, 2026 at 11:23 AM
📊 Explore updated data on greenhouse gas emissions and their climate impacts—

To limit and stop climate change, we need to greatly reduce global emissions of greenhouse gases (GHGs).
January 16, 2026 at 2:53 PM
The decline of child mortality, in one picture—

Some weeks ago, our colleague @bastianherre.bsky.social went to El Escorial, a royal palace near Madrid. Many of the Spanish kings are buried there, along with their family members.
January 16, 2026 at 8:18 AM
Many children who could benefit from oral rehydration therapy for diarrhea still don’t receive it—

In 2021, around 1.25 million people died from diarrheal diseases. Around a third of these deaths were children.
January 15, 2026 at 11:27 AM
Almost all livestock in the United States is factory-farmed—

It’s difficult to quantify animal suffering in a single number, but one metric often used to measure living conditions is the number of animals raised on “factory farms”.
January 14, 2026 at 5:46 PM