Our World in Data

Data Insight: Guyana’s oil-driven economy has seen the world’s fastest growth in GDP per capita in recent years

Data Insight: Rich countries spend 60 times as much on healthcare per person as poor countries

Data Insight: Air conditioning is almost universal in the US and Japan — but not elsewhere

Data Insight: Road deaths in the United States have fallen much more slowly than in other rich countries

Data Insight: 30% of the world’s CO₂ emissions have a carbon price

Data Insight: Morocco now gets almost a quarter of its electricity from renewables, but still relies heavily on coal

Data Insight: Cereal yields have increased in all regions, but Africa lags behind

Data Insight: Half of Nigeria’s population lives in cities

The OWID Brief: Economic inequality, AI energy use, Hannah Ritchie’s book, and more

Data Insight: In the past, most people worked in agriculture; in today’s rich countries, only a small share do

Data Insight: Most of the world’s fastest-growing megacities will soon be in Africa

Data Insight: Global population growth peaked six decades ago

Data Insight: Rich countries have ten times as many doctors per person as poor ones

Data Insight: Nearly half of young children in Guatemala suffer from stunting

The OWID Brief: Urbanization, electric cars in Latin America, a 1,200-year climate record, and more

Data Insight: Fertility rates across many countries have converged, despite starting from very different levels

Data Insight: Electric cars are taking off quickly in Latin America

The OWID Brief: Global food trade, heat deaths, paying for CO2 emissions, and more

Data Insight: US and Chinese companies train almost all of the world’s most-used AI models

Data Insight: Obesity rates in Pakistan have tripled in the last 20 years

Data Insight: A woman’s risk of dying in pregnancy or childbirth varies hugely by country

Data Insight: Tobacco use in India has halved this century

The OWID Brief: Migration data tool, natural disasters, measles vaccines, and more

Data Insight: NVIDIA’s revenue from data centers and AI has grown 1,300-fold in the last 12 years

The OWID Brief: Child deaths, LGBT+ rights, electric vehicle sales, and more

Data Insight: Lung cancer deaths trace the rise and fall of smoking

Data Insight: Most collected waste in many low- and middle-income countries is stored in open dumps or is burned

Data Insight: Coffee production has shifted toward Asia over the last six decades

Data Insight: One in four cars sold in 2025 was electric

The OWID Brief: New population projections tool, childhood stunting, China’s electricity growth, and more

Data Insight: Global sales of combustion engine cars peaked in 2017

Data Insight: Tajikistan's remittances are worth nearly half the country’s GDP

Data Insight: China added a Germany-sized electricity grid last year

Data Insight: India went from 15% to 70% Internet access in a decade, mostly through mobile phones

Data Insight: Teenage pregnancy rates have fallen across the world

Data Insight: Indoor air pollution causes almost three million premature deaths every year

Data Insight: Death rates for cervical cancer in the United Kingdom have fallen by 80% since 1950

Data Insight: France’s nuclear fleet gives it one of the world’s lowest-carbon electricity grids

Data Insight: Hunger levels have increased across Africa over the last decade

Data Insight: Many countries are “leapfrogging” landlines and going straight to mobile phones

The OWID Brief: Falling battery prices, new country profiles on population, and more

Data Insight: The global suicide rate has fallen since the 1990s, but the death toll is still high

Data Insight: Brazil, India, Vietnam, and Russia hold large reserves of rare earth, but mine very little of them

Data Insight: China’s Great Leap Forward caused a dramatic spike in child deaths

Data Insight: Estimates suggest that 45% of abortions globally are unsafe — but this varies widely across regions

Data Insight: The world gets more seafood from aquaculture than wild catch

The OWID Brief: Unsafe abortions, deadliest animals, plastic pollution, and more

Data Insight: Outside rich countries, widespread informal work means unemployment rates are low

Data Insight: Coal power has effectively died in the United Kingdom

Data Insight: Until fifty years ago, Argentina was richer than Spain

Data Insight: In the 1980s, youth literacy was higher in Sub-Saharan Africa than in South Asia; it’s now the opposite

Data Insight: Argentina was one of the richest countries in the world at the beginning of the 20th century