We updated our topic page on artificial intelligence
Our page on artificial intelligence has been enriched with key insights and 23 new charts.
Latest:Our latest articles, updates and announcements
We published a new topic page on causes of death
To find ways to save lives, it’s essential to know what people are dying from. Explore global data and research on causes of death.Which form of transport has the smallest carbon footprint?
How can individuals reduce their emissions from transport?Terrorism affects some countries much more than others
Explore key insights, 4 articles, and 25 charts on terrorism and how it has changed over time.The Global Terrorism Database: how do researchers measure terrorism?
There are different approaches to measuring terrorism. Here is the approach of the Global Terrorism Database, a leading source of terrorism data.How do researchers estimate the death toll caused by each risk factor, whether it’s smoking, obesity, or air pollution?
Risk factors are important to understand because they can help us identify how to save lives. How do researchers estimate their impact?How are causes of death registered around the world?
In many countries, when people die, the cause of their death is officially registered in their country’s national system. How is this determined?Risk ratios, odds ratios, risk differences: How do researchers calculate the risk from a risk factor?
The effects of risk factors can be calculated in different ways. How are they calculated and interpreted?Why isn’t it possible to sum up the death toll from different risk factors?
Deaths caused by each risk factor can’t be added up. By understanding why, we will have a better understanding of how many lives can be saved with each intervention.We just published a new topic page on food prices
Explore global data on food affordability, and expenditures on food across the world.The limits of our personal experience and the value of statistics
The world is huge; to get a clear idea of what our world is like, we have to rely on carefully collected, well-documented statistics.We published a new topic page on tourism
Explore data on how tourism has changed over time, and how it differs across the world.We launched our new Sustainable Development Goals Tracker
With our SDG Tracker you can track global and country-by-country progress toward the United Nations Sustainable Development Goals (SDGs).How are incomes adjusted for inflation?
Adjusting incomes for inflation is crucial if we want to learn how standards of living are changing. How is this adjustment done?How has income inequality within countries evolved over the past century?
While the steep rise of inequality in the United States is well-known, long-run data on the incomes of the richest shows countries have followed a variety of trajectories.OWID Data Collection: Inequality and Poverty
Explore a wide range of indicators on inequality and poverty and compare sources.Income inequality before and after taxes: how much do countries redistribute income?
The redistribution of income achieved by governments through taxes and benefits varies hugely.Measuring inequality: what is the Gini coefficient?
The Gini coefficient is the most common way of measuring inequality. But what does it actually measure? And how does it differ from other measures of inequality?Homicide data: how sources differ and when to use which one
There are several ways to measure homicides. What approaches do different sources take? And when is which approach best?Population momentum: if the number of children per woman is falling, why is the population still increasing?
50 years ago, the total fertility rate was five. This figure has more than halved. Yet the global population is still rising — why?How do researchers study the prevalence of mental illnesses?
Global data on mental health is essential to understand the scale and patterns of these illnesses, and how to reduce them. How do researchers collect this data, and how reliable is it?