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Our World in Data

4 days

Our World in Data is looking for new Trustees to help steer the project’s strategic direction, ensure our long-term sustainability, and provide critical oversight and constructive challenge to the two Executive Co-Directors. Curious to know more? Read on… 🧵

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Last Seen Profiles

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Our World in Data

@OurWorldInData

3 years

Ecuador is now vaccinating very rapidly. 12% of the population received a vaccine in the last week. [here is all our data for countries around the world: ]

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3 years

The decline of COVID in Israel. This chart is indexed to the peak of cases and shows the relative decline by age group since then. For some time there was a slight temporary rise among younger people (who get vaccinated last). But recently cases declined for all age groups.

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3 years

The German-speaking countries stand out in Western Europe: Germany, Switzerland, and Austria in the three last places. [all our data: ]

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@OurWorldInData

2 years

The end of poverty is possible. Each country shown on this chart achieved a large decline in extreme poverty over the last generation. This is one of the most important lessons we can learn from the available data: rapid progress against poverty can be achieved.

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5 months

The timing of the peak cherry tree blossom is influenced by spring temperatures. Based on data from Japan stretching back to the year 812 (!), we see that in recent centuries the peak blossom has gradually moved earlier in the year—due to higher temperatures from climate change.

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2 years

How many grams of CO₂ are emitted per each kilowatt-hour of electricity? Carbon intensity of electricity across European countries.

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Our World in Data

@OurWorldInData

3 years

Share of electricity that comes from fossil fuels: 🇿🇦 South Africa: 89% 🇦🇺 Australia: 75% 🇮🇳 India: 74% 🇯🇵 Japan: 69% 🇨🇳 China: 66% 🌍 World: 61% 🇺🇸 USA: 60% 🇩🇪 Germany: 44% 🇬🇧 UK: 41% 🇧🇷 Brazil: 14% 🇫🇷 France: 10% 🇸🇪 Sweden: 2% Explore any country here:

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Our World in Data

@OurWorldInData

5 years

What people die from, what they Google, and what the media covers. Our latest post:

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3 years

The COVID death rate by vaccination status in the US. [From our post by @redouad and @maxcroser on death rates by vaccination status: ]

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@OurWorldInData

4 years

Some countries responded successfully to the pandemic – and more broadly, some are much more successful in protecting their population’s health. We contributed to @exemplarshealth , a new publication to learn from the most successful countries in the world

Exemplars in Global Health: Learning from the most successful countries in the world

Research and data to make progress against the world’s largest problems

ourworldindata.org

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@OurWorldInData

5 months

Nuclear and modern renewable energy sources are both vastly safer and cleaner than fossil fuels. From the perspective of both human health and climate change, it matters less whether we transition to nuclear or renewables, and more that we stop relying on fossil fuels.

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Our World in Data

@OurWorldInData

3 years

We had 100 million visitors to our site in the last 365 days!

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Our World in Data

@OurWorldInData

4 years

The world population has increased by 145% since 1961. But because yields of cereals increased even more (+200%), it became possible to produce more cereal per capita while not needing much more land (+12%). From our entry on crop yields

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3 years

💉 7.8 billion COVID vaccine doses have been administered 👥 53% of world population with at least 1 dose 🌍 Total doses per 100 people High-income countries: 147 Upper-middle income: 146 Lower-middle income: 68 Low income: 7 Our data on vaccinations:

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10 months

How many animals get slaughtered every day? Hundreds of millions of animals get killed for meat every day. Read more: From our new page on animal welfare:

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@OurWorldInData

2 years

64,000 retweets and 365,000 likes. This might be the most widely shared @OurWorldInData chart ever. If you want to know "what's going on here", this is our post from which this chart is taken:

Why is life expectancy in the US lower than in other rich countries?

Americans have a lower life expectancy than people in other rich countries despite paying much more for healthcare. What factors may explain this?

ourworldindata.org

Andy Tran

@andy23tran

2 years

What's going on here?

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2 months

One of the most transformative changes in technology over the last few decades has been the massive drop in the cost of clean energy. Solar photovoltaic costs have fallen by 90% in the last decade, onshore wind by 70%, and batteries by more than 90%. These technologies have

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Our World in Data

@OurWorldInData

5 months

Weather forecasting has come a long way. The biggest improvements we’ve seen are for longer timeframes. By the early 2000s, 5-day forecasts were “highly accurate” and 7-day forecasts are reaching that threshold today.

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2 years

"Problems are solvable. Given enough time we can end the horrors of today. Poverty is not inevitable. Diseases that are incurable today might be curable in just a few generations." From @MaxCRoser 's new post on the vast future that is ahead of us

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2 years

How different would your life be if you never went to school & didn’t learn how to read & write? This is the reality for the 58 million children who don't go to school. As terrible as this is, it used to be much worse. We can make progress #EducationDay

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3 years

'The history of the end of poverty has just begun' We just published @MaxCRoser 's new @OurWorldInData post:

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@OurWorldInData

3 years

Our data on COVID-19 vaccinations is updated: Share of people with at least 1 dose: 🇮🇱 Israel 60% 🇬🇧 UK 43% 🇨🇱 Chile 32% 🇧🇭 Bahrain 27% 🇺🇸 US 26% 🇷🇸 Serbia 20% 🇭🇺 Hungary 19% 🇫🇮 Finland 14% 🇸🇬 Singapore 14% 🇪🇪 Estonia 13% 🇺🇾 Uruguay 13% 🇰🇼 Kuwait 12%

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@OurWorldInData

3 years

An UPDATE on the decline of Covid in Israel. This chart is indexed to the peak of cases and shows the relative decline by age group since then. Since the peak cases have declined by more than 90% *for all age groups*.

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@OurWorldInData

1 year

How has the world managed to feed a rapidly growing population with ever-shrinking land resources? A big part has been increasing crop yields — e.g., we can now produce more than three times as much cereal from a given area of land as we could in 1961.

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@OurWorldInData

6 months

In China in 1981, 97% of people in the countryside lived in extreme poverty. By 2020, the share was well below 1%. Large economic growth made it possible for hundreds of millions of people to leave extreme poverty behind, first in cities and then in the countryside.

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1 year

Two centuries ago the majority of people was extremely poor, no matter where they were born. Back then it was widely believed that widespread poverty was inevitable. But this turned out to be wrong. Economic growth is possible. – from 'What is growth?'

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3 months

The number of people killed in disasters has fallen a lot over the last century, despite there being four times as many people. Deaths have declined not because disasters are now less frequent or intense, but because we’ve become better at protecting ourselves and each other.

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3 years

We are very happy that our work is useful for so many. In the last 365 days had more than 100 million visitors and in addition to this our work is cited thousands of times every day. The @WHO , the @NYTimes , and @TheEconomist all rely on @OurWorldInData .

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@OurWorldInData

2 years

What is the best way to reduce the carbon footprint of your diet? Plant-based protein sources still have a lower footprint than the lowest-impact meat products, despite large differences in farming practices across the world. Read more: #WorldVeganDay

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@OurWorldInData

3 years

Panama vaccinated a third of its entire population in the last month. [→ ]

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@OurWorldInData

3 years

According to our count at @OurWorldInData 3 billion vaccine doses have now been administered. – The first half a billion took 114 days. – The last half a billion were administered in the last 13 days. We keep counting vaccinations around the world at:

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3 years

We won a prize for our work on the pandemic! The @TheOxfordTrust awarded us the "Covid Innovation Heroes Awards 2021”: We are very grateful for this recognition here in our hometown of Oxford.

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@OurWorldInData

2 months

According to the latest Global Burden of Disease Study — published last month by the Institute of Health Metrics and Evaluation (IHME) — COVID-19 was the third leading cause of death in 2021, after cardiovascular diseases and cancer. These estimates suggest that COVID-19 was

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Our World in Data

@OurWorldInData

1 year

The timing of the peak cherry tree blossom is influenced by spring temperatures. Based on data from Japan stretching back to the year 812 (!), we see that in recent centuries the peak blossom has gradually moved earlier in the year—due to higher temperatures from climate change.

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Our World in Data

@OurWorldInData

3 years

What are the safest & cleanest sources of energy? All energy sources have negative effects, but they differ enormously in size: Fossil fuels are the dirtiest & most dangerous by far, while both renewable and nuclear are vastly safer & cleaner Learn more

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2 years

In today's Biweekly Digest, we cover: • Why life expectancy in US is lower than in other rich countries • Our redesigned work on Democracy • We're hiring a Data Scientist • Help us help you by taking our survey Read Subscribe

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1 year

The change in the world population is determined by 2 metrics: the number of babies born & the number of people dying Toward the end of this century, the number of deaths is projected to surpass that of births, bringing global population growth to an end

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Our World in Data

@OurWorldInData

2 years

Social connections are one of the most important factors for your happiness and health.

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@OurWorldInData

3 years

It is the first time during the pandemic that we report more than 1 million confirmed cases per day as the average over 7 days. [source with all our data ]

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@OurWorldInData

2 years

Hunting and habitat loss drove many large mammals in Europe close to extinction. But the continent’s mammal populations are making a comeback thanks to conservation efforts and more productive agriculture. Learn more:

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@OurWorldInData

3 years

The number of daily COVID deaths in UK since the peak three months ago. This is plotted on a logarithmic axis. A straight line on a log axis shows exponential change with a constant rate – in this case exponential decay. [all data ]

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Our World in Data

@OurWorldInData

1 month

According to the most recent data from the Energy Institute’s Statistical Review of World Energy, India now consumes more coal than the continents of Europe and North America combined. The chart shows this was not the case until recently. Coal consumption in Europe and North

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@OurWorldInData

2 months

Eating meat with a lower carbon footprint often means killing more animals and treating them more poorly. @hannahritchie presents the research on the trade-offs between environmental protection and animal welfare.

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@OurWorldInData

4 years

Where do global greenhouse gas emissions come from? → 73.2% from energy → 18.4% from agriculture, forestry, land use → 5.2% direct industry → 3.2% from waste Our latest article looks at global emissions, sector-by-sector.

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@OurWorldInData

3 years

Electricity in the UK was for decades dominated by coal (the worst source for the climate). But this is now largely history. Coal declined down to 2%. As @MaxCRoser explains in this post () this was possible, in part, thanks to carbon pricing.

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Our World in Data

@OurWorldInData

3 years

How many have died worldwide in the pandemic? One way to answer this question is to estimate the global excess mortality since the start of the pandemic. The Economist did this and their latest estimate is that 18 million people died. This map shows the death rate per country.

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@OurWorldInData

4 years

We teamed up with our friends at @Kurz_Gesagt again to make a video about climate change. It looks at the 4 factors driving CO₂ emissions, and how we can use these levers to find solutions.

We teamed up with Kurzgesagt to make a video about climate change: 'Is It Too Late To Stop Climate...

A video about the drivers and possible solutions to climate change.

ourworldindata.org

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@OurWorldInData

1 year

This chart gives an overview of 3.4 million years of accelerating technological change. We live at a time when the world can change dramatically within our lifetime. From @maxcroser 's new article, which we published just now:

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@OurWorldInData

5 years

What are the safest sources of energy? Death rates from modern renewables & nuclear are similar, & orders of magnitude lower than fossil fuels Moving away from fossil fuels is a win-win for climate & health – regardless of what we choose Latest article:

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@OurWorldInData

1 month

Energy demand in China has increased rapidly over the last few decades due to rising incomes and industrialization. The country now uses about the same amount of energy per person as the European Union. You can see this in this chart, with new data from the Energy Institute’s

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Our World in Data

@OurWorldInData

4 years

How fast are different countries vaccinating their population against COVID? Israel: 11.6% UK: 1.5% US: 0.9% Germany: 0.2% World: 0.13% → Data for more countries you find in our COVID vaccine dataset here:

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Our World in Data

@OurWorldInData

2 years

The chart shows one of the most important achievements in humanity's history — in the last 200 years the majority of the world left the very worst poverty behind. [from @MaxCRoser 's post 'The history of the end of poverty has just begun' ]

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@OurWorldInData

3 years

Spain and Portugal are now vaccinating very rapidly. [you find this data – and all our COVID data – in our Explorer: ]

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@OurWorldInData

4 years

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: 👇A thread on what you can do with our new #COVID19 Data Explorer.

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Our World in Data

@OurWorldInData

4 years

Our data on COVID-19 vaccinations has been updated: Doses administered: 🌏 World 11.4M 🇨🇳 China 4.5M 🇺🇸 United States 4.2M 🇮🇱 Israel 1M 🇬🇧 United Kingdom 1M 🇩🇪 Germany 189k 🇨🇦 Canada 108k 🇧🇭 Bahrain 60k 🇷🇺 Russia 52k 🇮🇹 Italy 48k Per capita in the chart:

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@OurWorldInData

1 year

Despite their brief history, computers and AI have fundamentally changed what we see, what we know, and what we do. Little is as important for the future of the world, and our own lives, as how this history continues. Read more:

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3 months

In 1990, over 9% of the world's newborns did not survive beyond age five. By 2021, this child mortality rate had declined to 3.7%. Thanks to progress in global health, 132 million more people are alive in our world today. New article by @MaxCRoser →

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2 years

How many people die and how many are born each year? And what does this mean for the population, now and in the coming decades? Explore the data in our interactive charts, and read more here:

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Our World in Data

@OurWorldInData

4 years

There are 3 global datasets on #COVID19 : the WHO, Johns Hopkins Uni, & the European CDC We brought the data from all 3 together to allow you to compare the data – globally and for every country in the world. We also explain why we stopped using WHO data.

Coronavirus Pandemic (COVID-19)

Country-by-country data and research on the pandemic. Updated daily.

ourworldindata.org

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Our World in Data

@OurWorldInData

10 months

There is no paywall, all our work is free for everyone to use for all purposes, and all our software is open-source. Our World In Data is entirely a public good. 👇 If you want to support us in doing our daily work we would very much appreciate it.

Donate

Support open data and research to make progress against the world's largest problems

ourworldindata.org

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@OurWorldInData

3 years

Smallpox ravaged humanity for millennia and is estimated to have killed 300 million people in just the 20th century But since 1978 not one person has died of smallpox—thanks to vaccines it has been successfully eradicated What makes a disease eradicable?

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@OurWorldInData

2 months

The concept of “leapfrogging” is popular in development. It suggests that lower-income countries can, as they develop, skip intermediate technologies or systems to go straight to the modern equivalent. One example of this is the use of landlines and mobile phones. The landline

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3 years

• If you live on $30 a day you are part of the richest 15%. • The majority of the world is very poor: the poorer half of the world – almost 4 billion people – live on less than $6.70 a day. A chart from @MaxCRoser 's text on global inequality:

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3 years

Half a billion people received a COVID vaccine in the last 15 days. [Here is all our work on the pandemic: ]

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2 years

Two centuries ago almost everyone lived on less than $5 per day (96% of the world population). This is adjusted for inflation and it is taking non-monetary sources of income into account.

Max Roser

@MaxCRoser

2 years

Historian Michail Moatsos estimates that 80% of the world population lived in extreme poverty. His research shows how poverty has declined over the course of the last two centuries, especially rapidly in recent decades. From our new poverty page

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14 days

In 1820, only 1 in 10 people over the age of 15 could read. Today, the corresponding global literacy rate — the share of adults aged 15 and older who can read and write — is 87%. That means more than 5 billion people can read and write today, compared to fewer than 100 million

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4 years

Response to the pandemic has often been framed as a trade-off between protecting health and the economy. This isn't reflected in the latest GDP data. As @JoeHasell explores: countries with the lowest death rate have also performed better economically.

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4 years

The US has flattened this curve. Why? →

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@OurWorldInData

4 years

COVID vaccine doses per 100 people, *per day*: 🇦🇪 United Arab Emirates 1.05 🇮🇱 Israel 0.73 🇹🇷 Turkey 0.4 🇬🇧 UK 0.33 🇺🇸 US 0.24 🇮🇪 Ireland 0.19 🇪🇸 Spain 0.15 🇮🇹 Italy 0.1 🇩🇰 Denmark 0.1 🇩🇪 Germany 0.08 🇫🇷 France 0.07 🇲🇽 Mexico 0.03 Our complete data

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1 year

Intense whaling drove many of the world’s whale species close to extinction. But a dramatic decline in whale hunting since then has given them hopes of recovery. Learn more: #WorldWildlifeDay

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3 years

If you need data on the pandemic, we make our entire database freely accessible for everyone. – We maintained it since the early days last year and will continue to do so. – We update this database every day. 👇Here it is.

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5 years

You want to reduce the carbon footprint of your food? Focus on what you eat, not whether your food is local. Our latest article:

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5 months

Who Americans spend their time with changes a lot over the course of their lives 🧵👇

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3 years

💉 6.4 billion COVID vaccine doses have been administered 👥 46% of world population with at least 1 dose 🌍 Share with at least 1 dose High-income countries: 69% Upper-middle income: 64% Lower-middle income: 32% Low income: 2% Our data on vaccinations:

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3 years

This is the COVID case rate over the last 7 days in European countries. From very low rates in Iceland and the UK to high rates in Cyprus and Sweden. [Here in our COVID Data Explorer you find all data for all countries: ]

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4 years

“In the last hundred years of its existence smallpox killed at least half a billion people.” @MaxCRoser ’s post on humanity’s battle against the microbes – and how we learned to protect ourselves thanks to science, public health, and vaccines.

Our history is a battle against the microbes: we lost terribly before science, public health, and...

For most of our history, we were losing terribly against the microbes. Only recently did we turn the battle in our favor. Vaccines were a major breakthrough.

ourworldindata.org

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3 years

Some technologies follow learning curves. They become cheaper as more of that technology gets produced. Batteries are following a learning curve – the cost of lithium-ion batteries has fallen by 97% in the last 3 decades. → @_HannahRitchie 's article:

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4 months

Today's Data Insight by @maxcroser : From 5% to 71% in 25 years: Kenya has made substantial progress in providing access to electricity 🔗

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6 months

Today, we're excited to roll out our new homepage! Here’s what’s changed, what hasn’t, and some of the thinking behind the new design... 🧵

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2 months

Fertility rates — which measure the average number of children per woman — have been falling worldwide. Since 1950, global fertility rates have halved, from almost 5 children per woman to 2.3. As a result, global population growth has slowed dramatically, and many countries'

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4 years

A very depressing fact about the last three decades: The share of electricity produced from low-carbon sources has not increased. [From @MaxCRoser 's recent post on the world’s energy problem: ]

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3 years

The map here shows vaccine booster doses administered per 100 people in the population. Most countries have not reported administering any booster doses, while a few have administered a large number. Israel, for example, has administered 44 booster doses for every 100 people.

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3 years

We have now added Omicron to the variant data shown in our Data Explorer: For now, only Botswana has sequenced and reported Omicron cases to @GISAID . As always, this data is available thanks to the *great work* of @firefoxx66 at !

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4 years

Daily COVID-19 vaccine doses administered per million people (7-day average): 🇮🇱 Israel 14,498 🇪🇸 Spain 1,209 🇩🇰 Denmark 1,069 🇺🇸 United States 1,025 🇬🇧 United Kingdom 639 🇩🇪 Germany 470 🇲🇽 Mexico 38 Our database:

Coronavirus (COVID-19) Vaccinations

Our vaccination dataset uses the most recent official numbers from governments and health ministries worldwide. Population estimates for per-capita metrics are based on the United Nations World...

ourworldindata.org

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@OurWorldInData

1 month

Death rates from illicit drugs are the highest in the United States. This is largely the result of a steep rise in opioid deaths in recent years. This map shows death rates from opioid overdoses, measured as the number of deaths per 100,000 people in each country’s population.

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1 year

The ozone layer holes have stopped growing and are starting to close. They were caused by human emissions of ozone-depleting substances. But the world came together, and those emissions have been reduced by >99%. Read more on our redesigned topic page:

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2 years

"What’s frustrating about the challenge of climate change is not that we have no options, but that we do not take the options we have.” writes @MaxCRoser in his 'The Argument for a Carbon Price' →

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3 years

Globally, we emit around 50 billion tonnes of greenhouse gases each year. Which activities give rise to these emissions? In this article we take a closer look, sector by sector:

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@OurWorldInData

4 years

12.3 million people have received a COVID vaccine according to our global vaccination dataset. And the curve is getting steeper – the number of daily vaccinations is increasing. → All our COVID vaccination charts and data:

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1 month

Almost no one has “heat” or “cold” written on their death certificate, but sub-optimal temperatures lead to a large number of premature deaths — most often in people over the age of 65. In two new articles, @_HannahRitchie examines how many people die from heat and cold each

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4 years

COVID-19 Testing is crucial. There is no central database with official data, so we are going through press releases and national reports to bring it all into one place. Here is what we have as of 13 March 9.00GMT

Coronavirus (COVID-19) Testing

Here we show the share of reported tests returning a positive result – known as the positive rate.

ourworldindata.org

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2 years

The book that inspired much of @MaxCRoser 's article on longtermism () is now available: What We Owe the Future by @willmacaskill . Check it out:

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@OurWorldInData

3 years

Hospital admissions in the UK are lower than at any point since late September last year. From our special UK COVID page:

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Our World in Data

@OurWorldInData

3 years

Our data on COVID-19 vaccinations is updated daily: Share of people with at least 1 dose: 🇮🇱 Israel 60% 🇬🇧 UK 41% 🇦🇪 UAE 35% 🇨🇱 Chile 29% 🇧🇭 Bahrain 25% 🇺🇸 US 24% 🇷🇸 Serbia 19% 🇭🇺 Hungary 16% 🇫🇮 Finland 13% 🇪🇪 Estonia 13% 🇲🇦 Morocco 12% 🇩🇰 Denmark 11%

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Our World in Data

@OurWorldInData

21 days

This rise and fall of smoking is shown in this chart. Smoking rates grew rapidly across rich countries in the 20th century. But by the 1980s, they went into steep decline. It looked like poorer countries would follow a similar path as incomes increased, but rates have decreased

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Our World in Data

@OurWorldInData

3 years

Two centuries ago most people lived in extreme poverty, no matter where in the world they were born. Back then it was widely believed that widespread poverty was inevitable. But this turned out to be wrong. Economic growth is possible. From our post:

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Our World in Data

@OurWorldInData

2 years

Smoking is so common and familiar that it can be hard to grasp just how large the impact is. Every year, around 8 million people die prematurely from smoking. But we have already made progress against smoking, and it is a fight we can win. Read more:

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Our World in Data

@OurWorldInData

4 months

Emissions of substances that deplete the ozone layer have fallen by more than 99% since 1989 Today's data insight is by @EOrtizOspina . You can find all of our Data Insights on their dedicated feed:

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Our World in Data

@OurWorldInData

2 years

The share of people living on less than $30 per day, adjusted for the price level in the country. From @MaxCRoser 's introductory post on global poverty

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Our World in Data

@OurWorldInData

2 months

Coal dominated Europe's electricity mix over the 20th century, but it is quickly dying in many countries in the 21st. The chart shows the share of electricity that comes from coal for a range of countries in Western Europe. The data comes from @EmberClimate . Transitioning away

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