Roughly 60,000 people serve 11 UN peacekeeping missions

The UN's primary goal is to promote peace and cooperation

The UN's self-proclaimed mission is to promote peace, protect human rights, and tackle global challenges like poverty and climate change. The About Us page on the UN's website is a good entry point to understand how this international organization works and its impact in today's world.

Assessing the effectiveness of peacekeeping forces

This podcast episode of Diplomatic Immunity from Georgetown’s Institute for the Study of Diplomacy explores the evolution of UN peacekeeping over its 70-year history. The podcast is joined by Dr. Lise Howard to examine the origins, challenges, and shifting role of peacekeepers—those “blue helmets” deployed where few others will go—in a broader conversation about multilateralism and global conflict response.

There are 6 primary governing bodies at the UN

The United Nations is structured around six main bodies: the General Assembly, Security Council, Economic and Social Council, Trusteeship Council, International Court of Justice, and Secretariat. Each plays a distinct role in promoting peace, justice, and cooperation worldwide.

The UN’s 1990s peacekeeping mission in Rwanda failed to prevent a genocide

During a 100-day period in 1994, nearly 1 million Tutsi and moderate Hutu civilians were murdered, a tragedy that exemplified the limitations of the UN’s ability to protect populations from mass killing.

A majority in surveyed countries approve of the UN

A 2024 Pew Research Center survey found that a median of 58% across 35 countries viewed the UN favorably, while 31% held unfavorable views. Notably, younger adults tended to view the UN more positively than older generations. The report offers a detailed, country-by-country analysis of global perceptions of the UN.

193 nations are members of the United Nations

The UN's Member States webpage provides an alphabetical list of all 193 member countries, along with the exact dates they were admitted. Take a look at how the UN has expanded over time and understand each nation's place in the global organization.

The National Guard serves both state governors and presidents

Roughly 430,000 trained military personnel act as a strategic reserve for the US military, deployed domestically during natural disasters or unrest as well as overseas. It consists of the Army National Guard and the Air National Guard, overseen at the federal level by the National Guard Bureau.

A look behind the scenes of the UN General Assembly

This behind-the-scenes look at the 2015 UN General Assembly offers a unique perspective on what it takes to run one of the world’s most complicated and important diplomatic events. Following four staffers—including a youth advocate and an interpreter—the video captures the energy, pressure, and coordination behind the scenes.

Under-5 child mortality has been cut in half since 2000, UNICEF reports

The United Nations Children's Fund works globally to protect children's rights and well-being. Its 2024 report on child mortality reveals that under-5 deaths have halved since 2000. The report includes interactive data visualizations that can be sorted by year or topic.

The US federal government employs roughly 3 million people

Tracking began in 1939, when the federal workforce consisted of about 1 million people. The total peaked in 1990 at 3.4 million, and hit a recent low in 2014 at 2.7 million.

Relationships between countries have become more peaceful since the rules-based order was established

Our World in Data monitors bilateral relationships on a spectrum from open rivalry to "positive peace"—deep cooperation and mutual protection. In 1945, no countries had highly cooperative security relationships. Today, nearly a fifth do.

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.

Ukraine has received over $300B in Western military and financial aid

Although not a member of NATO, Ukraine has received substantial support from Western nations, primarily the United States and the European Union, totaling more than $300B in military, financial, and humanitarian assistance.

The 'chief usher' manages the White House and a staff of roughly 100 people

Tracing back to 19th-century household roles, the chief usher is now the White House's general manager—overseeing renovations, maintenance, food service, budgets, and employees who run the daily operations of the complex.

More than 500,000 people worked to contain Chernobyl's fallout

The group—collectively referred to as "liquidators"—included firefighters, military troops, miners, engineers and sanitation crews. Beyond clearing radioactive debris and performing decontamination work, they confined radioactive material to prevent its spread into groundwater.

The US and the USSR backed opposing sides in dozens of proxy wars during the Cold War

To avoid direct confrontation, the superpowers supported rival factions in conflicts around the world—including in Korea, Vietnam, Angola, and Afghanistan.

Approximately 180,000 African Americans served in Union forces

About 180,000 Black soldiers—roughly 10% of the Union army—served in the United States Colored Troops after 1863. Despite lower pay and discrimination, they were crucial to the Union victory.

The 1951 Refugee Convention established international refugee rights and state obligations amid mass World War II displacement

The international treaty defines refugee status and outlines refugees' entitled rights while establishing state obligations to protect them. The UNHCR explains the convention's significance in creating the legal framework governing refugee protection worldwide.

An overview of North Korea’s military capabilities

With one of the world’s largest conventional military forces, North Korea is often perceived as a security threat. This multimedia backgrounder by CFR breaks down North Korea’s military capabilities. North Korea has the world’s...

How many people died in WWII?

Fallen.io, a short animated data-driven documentary about war and peace, explores the harrowing statistics of World War II and sizes up its numbers to other wars in history, including recent conflicts. Watch and click through this interactive documentary to learn more.

Wikipedia articles are read more than 16 billion times every month

Nearly 300,000 volunteers worldwide help write, edit, and fact-check articles on the site in real-time, striving to ensure content is authored from a neutral point of view. All pages are freely accessible and must include citations to reliable, published sources.

Chess is played by an estimated 600 million people worldwide

Chess remains one of the most popular games in history, with roughly 600 million players across the globe. The game thrives casually in homes, schools, and parks, while also sustaining robust online communities and professional tournaments.

US Customs and Border Protection traditionally operates at ports of entry and along US borders

CBP manages security at official border crossings and patrols areas between ports of entry to prevent unauthorized crossings. View details of the agency's mission, organizational structure, and approach to managing the United States' physical borders.

Neglected tropical diseases affect more people than the population of Europe

This group of conditions, which includes hookworm, sickens roughly one in seven people on the planet—a tally which dwarfs Europe's population of roughly 450 million. International cooperation and donations are helping to control some of these illnesses, which can be caused by parasites, viruses, and bacteria. They're all treatable or preventable, but primarily occur among poor, isolated communities that may not receive adequate care.

Rising satellite numbers pose increased risks of planes being hit by falling debris

Projections of more than 100,000 satellites in space by the 2030s—eight times the number in 2025—highlight a growing threat to aviation. Experts suggest the odds could reach seven in 10,000 annually by 2035, alongside higher risks to people on the ground.

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

In 2025, four executives from large tech companies were given positions in the US Army Reserves—including Palantir Chief Technology Officer Shyam Sankar, which reinforced Palantir's ties with the US military and its role as a leading defense partner.

Iran's Revolutionary Guard Corps is independent of Iran's regular army and is one of the most powerful and influential military-political organizations in the Middle East.

Bone marrow (soft tissue found inside certain bones) generates roughly 500 billion new blood cells each day

Sunflowers have long been a symbol of nuclear disarmament because they can extract large amounts of radioactive cesium from soil.

Watch the cumbersome, but necessary, precautions healthcare workers must take to care for and protect themselves while caring for Ebola patients.

Track the location of the Voyager probes, currently between 13 and 15 billion miles away from Earth.

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

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

Up to a million Girl Scouts sell about 200 million cookie boxes every spring, generating $800 million, largely because refusing a child is frowned upon

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.

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

In 2018, 26-year-old missionary John Allen Chau was killed by tribesmen after attempting to reach and evangelize on India's isolated North Sentinel Island

Researchers believe the brain consolidates memories, processes emotions, and plans for the future during dream states

See 33 images that became central to huge scandals, including a young Charles and Camilla, Michael Jackson's baby on a hotel balcony, and Hugh Grant's mugshot.

Use this calculator to find the dollar value of your mental load, from meal planning to coordinating after-school care for your children.

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

Watch how deep-sea mining equipment collects and processes polymetallic nodules—metal-rich, potato-shaped rocks—from the ocean floor and creates environmentally damaging plumes of sediments.

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

In preparation for this weekend's Eurovision finale, which is something like the World Cup of pop music, here's a young Céline Dion performing (for Switzerland?) at the 1988 competition.

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.

Chaos theory—informally known as the butterfly effect—is the reason why weather forecasts are presented with probabilities rather than certainties.

Take a 3D tour of the Hajj, Islam's annual pilgrimage to Mecca, undertaken by over 1.5 million Muslims.

Domino's Pizza's 30-minute delivery guarantee was responsible for the chain's 1980s surge, but it was discontinued after the company was found liable for delivery driver accidents.