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

1 in 4 people around the world don't have access to clean water

Poor water sanitation puts people at risk of acquiring this diarrheal infection. Cholera infections are on the rise due to extreme weather events and conflict. In recent years there have been cholera outbreaks in locations that hadn't seen the disease in many years, including Haiti.

A breakdown of where water is located on Earth and where it is most used worldwide

About 97% of Earth's water volume is in the oceans, 2% is trapped in polar ice caps and glaciers, and almost all of the remaining 1% is found in groundwater reserves. Roughly 70% of the easily accessible surface water in rivers and lakes—0.01% of all water—is used for agriculture, contributing to 20% of the world's population living in water-scarce areas and 2.1 billion people lacking access to clean drinking water.

Breaking down the different types of drinking water, from alkaline to sparkling

While tap water is regulated by the EPA, environmental and infrastructural factors can introduce contaminants, which filtering can help to remove. Distilled water has had all of its mineral contaminants removed and may be used in laboratory settings, but mineral water has them added in for taste or to promote health.

The world's most peaceful countries

Global Peace Index presents the most comprehensive data-driven analysis to date on trends in peace, including the most and least peaceful countries in the world.

Explore how close you live to some of the most contaminated places in the US

Known as Superfund sites, these toxic locations undergo long-term cleanup to remove hazardous waste, protect health, and restore land for safe reuse. As of 2025, the EPA lists around 1,300 active Superfund sites on its National Priorities List, with more than 450 cleaned and removed since 1980.

The Office of Water protects the nation's rivers, lakes and drinking supplies

The office develops national standards for safe drinking water, regulates wastewater treatment, and enforces the Clean Water Act. It partners with states and tribes to monitor pollution, protect wetlands, and restore aquatic ecosystems across the United States.

Ranking America's healthiest and unhealthiest cities

Compiling data from the 180 most populated cities in the US, WalletHub evaluated which of those metros are the healthiest using 43 health indicators, from the average cost of a medical visit to total vaccination rates.

A database tracking water conflicts for thousands of years

This open-source database has logged more than 4,000 conflicts around water across 100 countries, cataloging water as a casualty, trigger, or weapon of the conflict.

Read the WEF’s Global Risks Report for 2025

The Global Risks Report is the World Economic Forum’s annual assessment of the most pressing threats facing the world. The 2025 edition highlights declining global optimism, deepening geopolitical and economic tensions, and rising social fragmentation across societies.

Explore the UN’s interactive guide to global plastic pollution

Around the world, 1 million plastic drinking bottles are purchased every minute, while 500 billion single-use plastic bags are used worldwide every year. In total, half of all plastic produced is designed to be used only once—and then thrown away.

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...

Roughly half of the world's nations are (relatively young) electoral democracies

Classifying countries by governance type involves leaning into technical systems like the Regimes of the World classification. In this data dive, see a map of the world's oldest and youngest electoral democracies, as well as liberal democracies (which are measured by the protection of minorities and checks on executive power from the legislature).

Explore interactive global maps of cancer prevalence

Cancer is a ubiquitous disease, with populations across the globe having incidence rates that reflect various risk factors. The Cancer Atlas lets users explore a comprehensive global overview of cancer statistics, including incidence, mortality, prevalence, and survival rates across various regions and Human Development Index categories.

View the countries with the most internet users, including 94% of those in high-income nations

As of 2025, the four most populous nations—China, India, the US, and Indonesia—are also the ones with the most internet users, collectively accounting for almost half of the 6.04 billion internet users worldwide. This suggests that population size, rather than adoption rate, is a better predictor of online activity.

Mosquitoes top the ranking of the world's deadliest animals

Mosquitos kill about 760,000 people every year. The vast majority of those deaths are caused by malaria, which is transmitted and spread by the Anopheles mosquito. The second-place deadliest animal title goes to snakes, with an estimated human death toll of around 100,000 annually.

The top wine-producing countries in the world

Three European countries dominate the world in wine production: France, Italy, and Spain. This table lays out how the world's top wine-producing countries compare in terms of annual volume, with Europe and the United States comprising the bulk of production. Visualize the country-by-country difference with this bar graph.

South Asia and sub-Saharan Africa are most at risk from falling pollinator numbers

Researchers at the Harvard T.H. Chan School of Public Health found that declines in pollinator populations would lead to higher rates of nutritional deficiencies, particularly in developing nations. Nations with large populations, such as China and India, would also be significantly impacted.

See when the last case of wild poliovirus was found in each country

This chart shows when wild polio cases were last reported in each country worldwide. Beyond wild poliovirus, rare outbreaks can occur related to mutated strains of oral polio vaccine.

As of 2022, Canada has the most planned critical mineral mines

Wealthy nations are tapping into their domestic critical mineral reserves and buying up mines in poorer countries. The US, the UK, Canada, Australia, and China are taking the lead, with Chinese operations spanning all continents except Antarctica.

An investigation suggests a Scottish island became awash in forever chemicals via seafoam and seaspray—raising questions about what that means for the safety of other coastal areas.

The states in America that drink the most beer

Americans, in 2020, drank on average almost twenty-six gallons of beer per adult aged twenty-one or over, over the course of the pandemic.

In 2026, Finland was named the world's happiest country for the ninth consecutive year based on its wealth, social safety network, and high life expectancy, among other factors.

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

How life ranks in South Korea

As South Korea developed over the last half of the 20th century, quality of life soared. The country now outperforms the world average when it comes to education, health, and civic engagement, according to the OECD’s Better Life Index. In this dashboard, you can see where South Korea ranks in terms of housing, jobs, income, and more, and compare it against other developed countries.

Data suggests fossil fuels are the dirtiest and most dangerous energy sources

Although all energy sources have trade-offs, fossil fuels emit the most greenhouse gases per unit of energy and have the highest rate of accidents. Low-carbon energy sources—including nuclear power—have the lowest death rates and fewest adverse climatic effects.

How stress affects every organ in the body

If you are a visual learner, this resource is for you. Not only does this article from the World Economic Forum outline the causes of modern stress along with helpful strategies, but they have created an approachable infographic to show exactly how stress manifests throughout our different bodily systems. Pair this visual guide with our other resources to gain a deep knowledge of stress and the human body.

10 controversial World Cup moments

If you're expecting a staid back-and-forth, then you'll be surprised by the World Cup, which is often filled with high drama and even higher tensions. This list highlights how controversy has been a constant on soccer's biggest stage, influencing outcomes, sparking debates, and sometimes leading to rule changes.

See worldwide hearing loss by age group and country

This 2023 data from the Institute for Health Metrics and Evaluation shows the estimated number of people with complete hearing loss in different age groups per 100,000 people in the population. Individuals aged 70 or older make up the largest group with this type of hearing deficit.

This real-time tracking of the hantavirus cruise ship outbreak in May 2026 offers a unique glimpse into the global reach of the outbreak and whether the virus sickened passengers and their communities around the world.

Pure water does not conduct electricity because this flow of energy requires the movement of charged particles, and water is a neutral molecule.

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.

The boiling temperature of water decreases with increasing elevation because the molecules need less energy to overcome the lower atmospheric pressure associated with thinner air.

Three Ebola species are responsible for most large outbreaks of the disease, yet the only approved Ebola vaccine is known to work against just one of them.

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.

See the 25 of the best photos of auroras from around the world.

11 people died from firework injuries in the US in 2024.

The United States is one of only around two dozen countries with a fully federal system of government, in which power is divided between national and state governments.

The American Society of Civil Engineers' infrastructure report card gave the US a C in 2025, its highest grade since the project launched in 1998.

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

While El Niño moves warm Pacific Ocean waters east along the equator, La Niña moves them west, shifting where rainfall will become more common for months.

For centuries, Niagara Falls has been a magnet for daredevils seeking to conquer one of nature's most powerful wonders, with its 200-foot drop and water rushing at 32 feet per second with 280 tons of force.

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

Explore the history, structure, and species of Australia's Great Barrier Reef with this interactive journey narrated by Sir David Attenborough.

Some researchers have labeled nomophobia, the fear of being without your phone, as 'the phobia of the 21st century.'

Dozens of S&P 500 stocks, including Coca-Cola and Walmart—known as the dividend aristocrats—have increased dividends every year for 25 years

Hookworm infection, though risky, may help fight certain autoimmune conditions by tamping down the immune system's inflammatory response.

See how Budweiser's famous Clydesdales spend their days at Warm Springs Ranch, where roughly 70 to 80 of the beer brand's giant horses can be found at any given time.

To reduce wrinkles in clothing, research recommends gentle wash cycles with more water and tumble drying with smaller loads and longer times.

This poison ivy knowledge quiz—accompanied by photos of the plant's varied forms—may help you identify this common rash-inducing growth.

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.