91
War and Peace
How common are armed conflict and peace between and within countries? How is this changing over time? Explore research and data on war and peace.
Our World in Data
Research and data to make progress against the world’s largest problems.
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Visit ourworldindata.org → RSS feedOn Hacker News Jun 2016 – Oct 2026
Society, Policy & Culture 107Science & Space 104Tech Industry & Business 2History & Retro Computing 1
92
Child and Infant Mortality
Child mortality remains one of the world’s largest problems and is a painful reminder of work yet to be done. With global data on where, when, and how child deaths occur, we can accelerate efforts to prevent them.
93
Mortality in the past: every second child died
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?
94
CO₂ emissions
How much CO₂ does the world emit? Which countries emit the most?
95
Our World in Data
Research and data to make progress against the world’s largest problems.
96
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.
97
Alcohol Consumption
Who consumes the most alcohol? How has consumption changed over time? And what are the health impacts?
98
Working Hours
How much time do people across the world spend working? How have working hours changed over time, and what do these changes matter for people’s lives? Explore data and research on working hours.
99
Electricity Mix
Explore data on where our electricity comes from and how this is changing.
100
Obesity
When did obesity increase? How do rates vary across the world? What is the health impact?
101
Internet
More than half of the world is online, but the Internet is still young.
102
Coronavirus (COVID-19) Vaccinations
Explore data on COVID-19 vaccinations across the world.
103
Crop Yields
Increasing crop yields is crucial to improve food security, living standards, and reduce human impacts on the environment.
104
Renewable Energy
Renewable energy sources are growing quickly and will play a vital role in tackling climate change.
105
Meat and Dairy Production
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?
106
Cancer
Cancers are one of the leading causes of death globally. Are we making progress against them?
107
Energy Production and Consumption
Explore data on how energy production and use varies across the world.