The World Bank’s population data bank

Data visualizations showing population growth around the world

This page presents data, charts, and analysis on changes in population growth around the world. Over the last few centuries, the human population has gone through an extraordinary change. In 1800, there were 1 billion people; today, there are more...

The UN’s interactive site analyzing the world’s population

The 2022 revision of World Population Prospects contains the official population estimates and projections from the United Nations. It presents population estimates from 1950 to present for 237 countries or areas around the world. The data consider...

Everything you need to know about demography in 10 graphs

This 17-minute video explains the future of the world through demographic data points. Dr. Paul Morland has published three books on demography. In this talk, he shows how demography is a powerful lens to view global transformations. Included are...

An interactive look at your own life through demographics

This interactive site allows you to understand the journey of your life in numbers and dates. World Data Lab asks users to enter their date of birth, country of birth, and sex at birth. The site then provides an interactive page tailored to your...

Visualizing the world's population centers

What does population density look like on a global scale? These detailed 3D renders illustrate our biggest urban areas and highlight population trends.

See how populations across the world could change in the 21st century

This tool lets you model the populations of individual countries by adjusting key demographic inputs. See how changes in birth rates, mortality, and migration affect the size and structure of future populations.

Health and population surveys from 90 countries

The Demographic and Health Surveys (DHS) Program collects, analyzes, and disseminates data on population, health, HIV, and nutrition. The site compiles data through more than 400 surveys in over 90 countries around the world. Explore demographic...

How public policy shapes demographic trends

This IMF podcast explores the population booms and busts throughout human history. According to Harvard economist and demographer David Bloom, it took more than 50,000 years for the world population to reach 1 billion. But since 1960, we have added...

Demographic definitions and key terms

This page provides a clear definition of demography and a glossary of demographic terminology. Demography is the science of populations. By investigating birth, migration, and aging, demographers seek to understand population dynamics. The Max...

A report on social well-being around the world

This extensive report provides quantitative evidence on social well-being trends for 36 countries. Data cover demography and family characteristics, employment and wealth, mobility and housing, health status, social expenditure, subjective...

Infographics explaining global terrorism trends

Our World in Data’s terrorism page details global trends in terrorism. Through interactive infographics, the site shows how the number of terrorist acts varies around the world and how it has changed over time. Sections investigate common definitions of terrorism, trends in global terrorism deaths, and the global distribution of terrorism. Additional segments highlight airline hijackings, public opinion, and media coverage of terrorism. Explore this website for an array of infographics on terrorism.

Vizualize global debt by country

Global debt reached $226T by the end of 2020—the biggest one-year jump since World War II. This graphic compares the debt-to-GDP ratio of various countries.

The World Bank funds development in the world's poorest countries

Originally called the International Bank for Reconstruction and Development, the World Bank was established in 1944 to assist in rebuilding war-damaged countries and has since grown to finance long-term economic development worldwide.

Explore the state of religious freedom around the world

This interactive tool visualizes government restrictions on religion and social hostilities involving religion across countries worldwide. It enables users to compare nations and monitor changes over time.

See the global blindness burden by cause and continent

These charts show the estimated number of people worldwide with blindness due to cataract, glaucoma, refractive disorders, age-related macular degeneration, malaria, river blindness, trachoma, and other causes.

View a map of countries with the safest and most dangerous drinking water

More than a quarter of the world's population lives in water-stressed countries, and a similar number use contaminated drinking water sources, which can lead to widespread disease, according to the World Health Organization. The Environmental Performance Index shows which countries have safe drinking water.

The latest data on US motherhood

Here’s a snapshot of what motherhood looks like in the U.S. today, drawn from government data and Pew Research Center surveys. The list includes seven headline statistics with visual graphs, including the average age of a mother's first childbirth...

Explore an interactive map built from more than 100,000 survey responses on where people find joy in their lives

View a media gallery of coral reefs from around the world

Developed by The Ocean Agency, the Ocean Image Bank launched in 2021 with the help of more than 200 ocean photographers, videographers, and science organizations to help engage the public and inspire support for oceans as part of the UN Decade of Ocean Science.

Understand the US electorate demographics

Ever wonder how much of each group make up the American voting bloc? Find raw data from the '16 and '18 elections broken out by a variety of factors (click on "validated voters database" link).

A visual database of pollens

Pollen is a powdery substance made up of small grains involved in the fertilization process of plants. There are thousands of types of pollens across the world, and you can see real images of them in this visual database.

Trans-Atlantic and intra-American slavery: a visual database

This interactive database provides insight into the trading of enslaved Africans across the Atlantic. This database offers maps, articles, timelapses, videos of 3D slave ship models, and searchable databases on enslavers and the enslaved. According...

Explore this week-by-week visualization of pregnancy

This graphic illustrates how development proceeds during each week of pregnancy, tracking what shifts and milestones typically occur during each stage of the process. It also includes typical weights of the fetus throughout.

The average retirement age by country, visualized

In the US, the average retirement age was 64 as of 2020. The Organization for Economic Co-operation and Development projects a two-year increase in the average retirement age by the mid-2060s.

View major global infrastructure, including power plants, fuel lines, and water pumping stations

The Open Infrastructure Map displays data from the OpenStreetMap database, which aggregates information from freely licensed geodata sources, surveys, and photographic and satellite imagery. It also displays power lines, generators, substations, various chemical pipelines, telecommunications towers, data centers, and more in daytime and nighttime maps.

There are currently over 6,500 active coasters in the world

See a database including every country from Afghanistan to Zimbabwe to see stats about their coaster count, and compare it to their populations and square footage.

Visualize the path of every solar eclipse from 1900 to 2099 and see what each looks like when observed from different locations on Earth.

This site reaches millions of visitors who are tired of AI chatbots and seeking human connection. Pretend to be an AI chatbot and ask questions, provide answers, and draw for people in real time.

Explore the animals that populate the depths of the ocean, from fish and coral in the first few hundred feet, all the way down to the bottom of the Mariana Trench.

A century of Billboard issues documenting the evolution of popular music.

Electrical grids worldwide must double their power delivery capacity by 2050 to meet surging demand from AI and electric vehicles.

See a 3D reconstruction of Tenochtitlan, the Aztec capital that was home to an estimated population of 200,000 to 400,000.

44% of Americans say they pray at least once a day—discover how your state's religiosity stacks up against the rest of the country.

Explore an interactive map of battles from the American Revolution, along with detailed summaries of each engagement

Roughly 43 million US borrowers owe roughly $1.7T in student debt, the second-largest source of consumer debt behind mortgages.

Use this tool to calculate the dollar value of your parental mental load, from meal planning to coordinating after-school care, then see resources that help generate solutions.

The 2026 Ebola outbreak is hampered by a lack of vaccine against the species of the virus, heightening the need for rapid tests to aid in disease control.

Scientists can determine Earth's past climate conditions by analyzing air trapped in microscopic bubbles within ice cores—columns of compressed snow layers that build up over hundreds of thousands of years.

Most of the observable universe's volume consists of voids and supervoids—enormous regions of space with little to no galaxies, stars, or light.

Alzheimer's can lead to brain shrinkage, with an average of around 2% of volume reduction per year

The syncytiotrophoblast is the outer layer of the placenta and the largest human cell, spanning an area about twice that of a king-sized bedsheet.

Explore fun facts from the USPS, including unique post office buildings, a stamp that traveled past Pluto, and more.

Visualize how CRISPR-Cas9—a type of immune system used by single-celled organisms to attack invasive viruses—targets and makes precise changes to a gene's DNA.

The US first hosted the World Cup in 1994, a tournament that lives in soccer infamy for its poor planning and the murder of Colombian player Andres Escobar, who'd accidentally scored on his own net.

Double world record holder Hunter Ewen helped conquer his fear of balloons, called globophobia, by training to win Guinness World Record titles for balloon inflation.

The hormonal disorder PCOS was renamed PMOS in 2026, a move designed to improve care and research by shifting the focus to the hormonal causes of this condition that affects 1 in 8 women.

Objects can be 3D printed with light by projecting 2D computerized tomography (CT) scans onto rotating cylinders of resin, which solidify upon exposure.

The Russia-Ukraine conflict is the largest ground war in Europe since World War II in casualties, forces mobilized, and displacement of civilians.

Gerrymandering works through two techniques: cracking opposing voters across districts to dilute their power, and packing them into a few to waste their votes in lopsided majorities.

One of the most famous portraits ever taken is 'Afghan Girl' (1984) by Steve McCurry, yet the subject Sharbat Gula went much of her life without being identified or benefitting from the image's success.