The death rate per mile driven has declined 22-fold since 1950.| Our World in Data
People in high-income countries could dramatically improve lives worldwide with minimal financial commitment, yet few do.| Our World in Data
It’s difficult to compare countries because they don’t always measure infant mortality in the same way.| Our World in Data
A future in which humanity produces more food on less land is not inevitable, but possible.| Our World in Data
The World Bank classifies countries into four income groups based on average income per person. This article explains how these groups are defined.| Our World in Data
The budget to keep temperatures below 1.5°C is less than a decade of current emissions. For 2°C, it’s less than three decades.| Our World in Data
In the 1980s, many thought tuberculosis was on the path to elimination. In reality, more were dying from the disease than ever.| Our World in Data
As much as one quarter of deaths in Europe and the United States were once from tuberculosis.| Our World in Data
In most rich countries, child mortality has more than halved in the last thirty years; we know we can go further.| Our World in Data
The goods and services that we all need are not just there; they need to be produced. Growth means that their quality and quantity increase.| Our World in Data
It is wrong to think these three statements contradict each other. We need to see that they are all true to see that a better world is possible.| Our World in Data
Plastic production and disposal emits around 3% of global emissions.| Our World in Data
Data from large meta-analyses show that measles vaccination is highly effective and safe, giving a 95% reduction in the risk of measles.| Our World in Data
How are global temperatures changing, and what are the impacts on sea level rise, sea ice, and ice sheets?| Our World in Data
Most countries spend less than 1% of their national income on foreign aid; even small increases could make a big difference.| Our World in Data
Stunting is an important marker of childhood malnutrition. But what is it, and how is it measured?| Our World in Data
A four-day forecast today is as accurate as a one-day forecast 30 years ago.| Our World in Data
Air pollution tends to get worse before it gets better, but how can we accelerate this transition?| Our World in Data
Research and data to make progress against the world’s largest problems| Our World in Data
Research suggests that many children – especially in the world’s poorest countries – learn only very little in school. What can we do to improve this?| Our World in Data
Estimates range from less than $1 trillion to $7 trillion. Where do these numbers come from?| Our World in Data
We live in a world in which ten children die every minute.| Our World in Data
Which countries are net importers and exports of emissions? How much CO2 is ‘offshored’?| Our World in Data
Research and data to make progress against the world’s largest problems| Our World in Data
Long-distance moves are becoming more common, but they remain the exception. For most, international migration still means crossing a nearby border, not an ocean.| Our World in Data
Sometimes, the most important news is when something isn’t happening.| Our World in Data
Livestock make up 62% of the world’s mammal biomass; humans account for 34%; and wild mammals are just 4%.| Our World in Data
How can individuals reduce their emissions from transport?| Our World in Data
Wild mammal biomass has declined by 85% since the rise of humans. But we can turn things around by reducing the amount of land we use for agriculture.| Our World in Data
Demand is set to triple by 2050. Can it be met in an energy-efficient way?| Our World in Data
Clean and safe water is essential for good health. How did access change over time? Where do people lack access?| Our World in Data
All the visualizations, data, and articles produced by Our World in Data are free for you to take and use — no permission required. You just need to provide credit to Our World in Data. This part of our work is licensed under a very permissive ‘Creative Commons’ (CC) license: the CC-BY license (the BY stands for ‘by attribution’).| Our World in Data
The world will need to adapt to increased temperatures. What can societies do to save lives?| Our World in Data
Falling fertility rates, migration movements, and China’s population decline.| Our World in Data
Explore global and country-level data on the extent of wildfires and how they’ve changed over time.| Our World in Data
Cold deaths vastly outnumber heat-related ones, but mostly due to “moderate” rather than extremely cold conditions.| Our World in Data
Climate change will have very unequal impacts, with fewer deaths at higher latitudes but increased heatwave deaths across the tropics.| Our World in Data
Trust is essential for effective cooperation. How does trust vary between different societies and locations and what matters for levels of trust?| Our World in Data
Many countries ship plastic waste overseas. How much of the world’s waste is traded, and how big is its role in the pollution of our oceans?| Our World in Data
Which countries and rivers emit the most plastic to the ocean? What does this mean for solutions to tackle plastic pollution?| Our World in Data
Many of the world's pollinator insects are in decline. What does this mean for global food production?| Our World in Data
Over the last 10,000 years the world has lost one-third of its forests. An area twice the size of the United States. Half occurred in the last century.| Our World in Data
Explore data on electric car sales and stocks worldwide.| Our World in Data
How many states have nuclear weapons, and how many warheads do they have? How is this changing over time? Explore research and data on nuclear weapons.| Our World in Data
Explore data on COVID-19 excess mortality across the world.| Our World in Data
Women tend to live longer than men in all countries — but the sex gap in life expectancy is not a constant.| Our World in Data
The chances that a newborn survives childhood have increased from 50% to 96% globally. How do we know about the mortality of children in the past? And what can we learn from it for our future?| Our World in Data
How is humanity using the Earth’s land? And how can we decrease our land use so that more land is left for wildlife?| Our World in Data
What quantitative data is there about violent deaths in non-state societies?| Our World in Data
How had the availability of food changed over time? How does food supply vary across the world today?| Our World in Data
How we treat the climate impacts of methane matter a lot for carbon footprint of foods. But even if we exclude methane, meat and dairy products emit the most.| Our World in Data
Pandemics have killed millions of people throughout history. How many deaths were caused by different pandemics, and how have researchers estimated their death tolls?| Our World in Data
Exponential growth is at the heart of the rapid increase of computing capabilities.| Our World in Data
The world has moved from traditional biomass to a diverse energy system.| Our World in Data
Globally, we emit around 50 billion tonnes of greenhouse gases yearly. Where do these emissions come from? We take a look, sector-by-sector.| Our World in Data
Self-reported life satisfaction differs widely between people and between countries. What explains these differences?| Our World in Data
What could be more tragic than a mother losing her life in the moment that she is giving birth to her newborn? Why are mothers dying and what can be done to prevent these deaths?| Our World in Data
See the distribution of global forests and which countries have the most forest cover.| Our World in Data
The world has made immense progress against extreme poverty, but it is still the reality for almost one in ten people worldwide.| Our World in Data
Explore data on where our electricity comes from and how this is changing.| Our World in Data
It is possible to reduce emissions while growing the economy. But this decoupling needs to happen faster.| Our World in Data
Fossil fuels are the dirtiest and most dangerous energy sources, while nuclear and modern renewable energy sources are vastly safer and cleaner.| Our World in Data
All energy production takes up land, but which sources use the most land, and which use it most efficiently?| Our World in Data
More than three-quarters of global agricultural land is used for livestock, despite meat and dairy making up a much smaller share of the world's protein and calories.| Our World in Data
One-quarter of the world's greenhouse gas emissions result from food and agriculture. What are the main contributors to food's emissions?| Our World in Data
The world loses 5 million hectares of forest each year. What activities are driving this?| Our World in Data
Which countries emit the most greenhouse gases each year? How do they compare per person?| Our World in Data
How do people across the world spend their time? How do daily activities differ across countries, and how do these differences matter for people’s lives? Explore data and research on time use.| Our World in Data
Why and where do children work? How did child labor change over time?| Our World in Data
To understand people’s geographical distribution, we need to look at population density. How does this vary across the world?| Our World in Data
To transition towards low-carbon energy systems, we need low-cost energy storage. Battery costs have been falling quickly.| Our World in Data
Fossil fuels were key to industrialization and rising prosperity, but their impact on health and the climate means that we should transition away from them.| Our World in Data
The majority of farm animals in the world are factory-farmed.| Our World in Data
How big are the inequalities in pay, jobs, and wealth between men and women? What causes these differences?| Our World in Data
Working hours for the average worker have decreased dramatically over the last 150 years.| Our World in Data
We could reduce the amount of land used for grazing and croplands used to grow animal feed.| Our World in Data
Explore global data on where our energy comes from, and how this is changing.| Our World in Data
This data review presents published estimates of the global death toll from air pollution and provides the context that makes them understandable.| Our World in Data
Hundreds of millions of animals get killed for meat every day.| Our World in Data
How is the institution of marriage changing? What percentage of marriages end in divorce? Explore global data on marriages and divorces.| Our World in Data
The world population is moving to cities. Why is urbanization happening and what are the consequences?| Our World in Data
Humanity eradicated this infectious disease globally. How was this possible?| Our World in Data
In many parts of the world famines have been common in the past. What causes famines? How can famines be averted?| Our World in Data
Being able to read and write opens up the world of education and knowledge. When and why did more people become literate? How can progress continue?| Our World in Data
The media claims we are experiencing a ‘loneliness epidemic’. What is the evidence for this?| Our World in Data
Explore data on COVID-19 deaths across the world.| Our World in Data
Meat is an important source of nutrition for people around the world. How quickly is demand growing? And what are the implications for animal welfare and the earth’s environment?| Our World in Data
Explore global data on nuclear energy production and the safety of nuclear technologies.| Our World in Data
In most places, power from new renewables is now cheaper than new fossil fuels.| Our World in Data
How much does electricity, transport and land use contribute to different greenhouse gas emissions?| Our World in Data
How does the number of children vary across the world and over time? What is driving the rapid global change?| Our World in Data
Explore long-term changes in deforestation and deforestation rates across the world today.| Our World in Data
Explore data on how energy production and use varies across the world.| Our World in Data
How much CO₂ does the world emit? Which countries emit the most?| Our World in Data
Explore data on COVID-19 vaccinations across the world.| Our World in Data
Explore data on COVID-19 cases across the world.| Our World in Data
Our impact on climate change is not just about emissions that occur today. How much we emitted in the past also matters.| Our World in Data
