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Our latest articles, data updates, and announcements

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Do we only have 60 harvests left?

Claims that the world has only 100, 60, or even 30 years of harvests left often hit the headlines. These claims are overblown, but soil erosion is a problem and we can do something about it.

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Our World in Data is now tracking Coronavirus (COVID-19) vaccinations across the world

We are building a global dataset on COVID-19 Vaccinations. Explore the latest data for all countries.

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How are working hours measured and what can we learn from the data?

The primary way to measure working hours is with surveys, but the data can have limitations that are important to understand.

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Do workers in richer countries work longer hours?

Workers in richer countries tend to work fewer hours than those in poorer countries.

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Are we working more than ever?

Working hours for the average worker have decreased dramatically over the last 150 years.

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The world’s energy problem

The world faces two energy problems: most of our energy still produces greenhouse gas emissions, and hundreds of millions lack access to energy.

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Why did renewables become so cheap so fast?

In most places, power from new renewables is now cheaper than new fossil fuels.

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Our World in Data switches to Johns Hopkins University as our main data source for COVID-19 cases and deaths

To continue providing daily updates on the Coronavirus Pandemic, Our World in Data has switched from ECDC to Johns Hopkins University as our data source for confirmed cases and deaths.

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A line graph with three distinct colored lines representing different data sets over a period. No scale or other text is shown.

Breaking out of the Malthusian trap: How pandemics allow us to understand why our ancestors were stuck in poverty

The Industrial Revolution ended the Malthusian trap in which incomes were determined by the size of the population — making it possible for a country to leave abject poverty behind.

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Featured image for article on Sweden's death reporting, showing two diverging lines

Why do COVID-19 deaths in Sweden's official data always appear to decrease?

There are two ways that COVID-19 deaths can be presented over time: by the date of death, or the date on which the death is reported. The data for Sweden is shown by date of death – this means the most recent points should be treated as incomplete.

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Where in the world do people have the highest CO2 emissions from flying?

Globally, aviation accounts for around 2.5% of CO₂ emissions. But for many, it accounts for a much larger share.

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Less than half of young Americans voted in the last presidential election

40% of eligible voters in the US did not vote in the 2016 election. Young Americans in particular often do not exercise their right to vote – less than half of eligible under-30s voted in the last election.

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Featured image for the article on why life expectancy in the US is lower than in other rich countries. Scatter plot of life expectancy and health expenditure per capita, with each country between 1970 and 2018 represented as a line, the USA in red and other OECD countries in grey.

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?

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Global inequalities in CO₂ emissions from aviation

Aviation accounts for 2.5% of global CO₂ emissions. Where do these emissions come from?

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The Our World in Data COVID-19 Testing dataset has been published in the academic journal, Nature Scientific Data

The Our World in Data dataset which has tracked COVID-19 testing across the world since the start of the pandemic has been peer-reviewed and published in the academic journal, Nature Scientific Data.

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Cars, planes, trains: where do CO₂ emissions from transport come from?

Transport accounts for around one-fifth of global CO₂ emissions. Three-quarters of this is from road transport.

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Audience Survey - Who uses Our World in Data, and for what purpose?

Millions of people use Our World in Data every month. We looked at survey responses to understand who uses our work, and what for.

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We teamed up with Kurzgesagt to make a video about climate change: 'Is It Too Late To Stop Climate Change? Well, it's Complicated'

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

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It’s not just about child mortality, life expectancy increased at all ages

It’s often argued that life expectancy across the world has only increased because child mortality has fallen. But this is untrue. The data shows that life expectancy has increased at all ages.

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Sector by sector: where do global greenhouse gas emissions come from?

Globally, we emit around 50 billion tonnes of greenhouse gases yearly. Where do these emissions come from? We take a look, sector-by-sector.

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Which countries have protected both health and the economy in the pandemic?

There is an assumption that countries face a trade-off between protecting people’s health and protecting the economy. But is this assumption true?