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

Child mortality rates since ancient Rome

One of the great achievements of modern humanity has been the sea change in child mortality rates—the chance that a newborn eventually lives past puberty. For thousands of years, children had a 50% chance of not entering adulthood. About 300 years...

Explore US public health data

This resource tracks key US health metrics, including mortality causes, child survival rates, and life expectancy comparisons, to inform future health improvements, with regularly updated global estimates.

Children under 5 account for 76% of all malaria deaths in Africa

The main hypothesis for why the disease hits this age group the hardest is that children this young have still-developing immune systems. Pregnant women and people with HIV/AIDS are also at higher risk of severe infection.

The US trails behind other developed countries in reducing its stillbirth rates and may learn from Australia

Australia is in the vanguard of efforts to bring down stillbirth numbers with a national stillbirth plan integrated into its healthcare system, supported by clinicians, nurses, midwives, and politicians. Its work also includes a public awareness campaign, more regular fetal monitoring and follow-up for potential interventions, and more maternal advice about care and safety during pregnancy.

UNICEF collects donations for children at Halloween

For generations, Trick-or-Treat for UNICEF has been one of the main ways American children are introduced to the work of the United Nations. The Halloween campaign encourages them to collect donations for children in need—instead of just candy.

The disparity in life expectancy between wealthy and impoverished nations has notably narrowed

In 1950, people in Norway lived to age 72, on average, while those in Mali lived to just 26. By 2015, the countries with the worst conditions had made such significant progress that the global average life expectancy had surpassed the rate of any nation in 1950.

The measles vaccine has saved an estimated 94 million lives since its introduction

Measles killed an estimated 2.6 million people globally in 1980, after the development of a vaccine but before its widespread dissemination. By 2014, that figure had dropped to an estimated 73,000.

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.

Understanding the global crash in fertility rates

This article breaks down the global crash in fertility rates. According to researchers, a global crash in children being born will have a “jaw-dropping” impact on societies. Women are choosing to have fewer children as a result of more women in...

See the polio cases that occur worldwide each year by region

Worldwide, the number of cases of polio reported each year from 1980 to 2024 has declined. This graphic depicts regional trends and declines by year.

More than 4,000 people died from cholera in 2023

This global health threat sickened more than half a million people in 2023 and killed 4,007 people. That's a 71% increase in deaths as compared to a year earlier. (Report only offered in PDF format.)

One in 10 adults worldwide has diabetes

As of 2021, diabetes claimed at least 6.7 million lives and continues to kill one person every five seconds. Nearly one in two adults with diabetes don't know they have the condition, which is expected to increase in prevalence from 537 million in 2021, to 783 million in 2045.

After a tragic 3 decades, F1 created better safety measures

The first three decades of Formula One saw 41 drivers die in competition; since 1980, only 11 have perished. The reduction is due in large part to better safety measures. This article highlights every safety improvement made by year since F1 started, and describes the accidents or deaths that led to the rule changes.

Photography helped eradicate US child labor

For employers in the early 20th century, child laborers had one major perk: They weren't unionizing. They were cheaper than their adult counterparts. But with the help of a photographer named Lewis Hine, who took photos of children at work, child labor in the US was eventually restricted by law.

Key milestones in the history of the World Health Organization

The World Health Organization, a UN agency founded in 1948, was first proposed at the 1945 UN Conference to coordinate global health efforts. This interactive timeline marks the WHO’s 75th anniversary with major public health milestones.

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.

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.

Pollution from lead battery recycling has led to widespread contamination

Many small-scale operations worldwide remain unregulated, bypassing environmental regulations and causing increasing health threats, primarily to children. A 2020 report by UNICEF found that one-third of the world's children are being poisoned by lead from recycled batteries, among other sources.

'The Vulture and the Little Girl' (1993) has a controversial story behind it

The tragic Pulitzer Prize-winning image taken by South African photojournalist Kevin Carter depicts a little girl suffering from starvation during a famine in Sudan in 1993. Carter faced criticism from the public for taking her picture instead of helping her. A few months later, Carter took his own life.

An interactive overview of the human toll of the Yemen conflict

The conflict in Yemen shows no signs of stopping. Civilians continue to suffer from military hostilities and human rights violations. More than 20,000 civilians have been killed and injured by the fighting since March 2015, according to the Office...

How personalized gene-editing saved a baby's life

KJ Muldoon had a 50% chance of surviving a genetic mutation until doctors developed a one-of-a-kind gene-editing therapy. In an interview with one of the researchers behind the treatment, learn what it will take to make personalized genetic medicine possible for everyone.

'One child, one teacher, one book, one pen can change the world'

- Activist and author Malala Yousafzai (1997-present)

Touch helps newborns regulate stress, gain weight, and feel less pain

Conclusions from this 2024 analysis from a team of Danish researchers included that touch interventions were particularly useful for newborns in regulating cortisol levels, helping newborns gain weight, and reducing pain. (Some users may experience a paywall.)

President Donald Trump signed an executive order in 2025 to restrict birthright citizenship

In 2025, President Trump signed an order attempting to end automatic citizenship for children born to undocumented immigrants or temporary visa holders—limiting it to those with a US citizen or permanent resident parent.

How many Americans receive government assistance?

In 2022, nearly half of all American children—and roughly one in three Americans overall—were enrolled in at least one government assistance program. Those programs provide support for people who cannot afford healthcare, food, housing, or other needs. Find out more about the number of Americans receiving government assistance here.

The tragic Pulitzer Prize-winning image 'The Vulture and the Little Girl' (1993) generated controversy, raised concerns about ethics in photography, and eventually led to the photographer's death.

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.

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

About 2,000 US babies are born annually without some portion of their limbs, potentially leading to a lifetime of pricey prosthetics.

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.

Mid-century modern graphic designers, known for their bright colors and bold lines in advertising, also found success with children's books.

In recent years a child anxiety expert has created and tested a novel phobia and anxiety treatment approach for children, focused on changing how parents respond to the fears.

The 2026 Ebola outbreak in the DRC is spurring new Ebola vaccine development for the Bundibugyo species.

Indefinite cloning of some endangered species may not sustain their longevity because cloning success rates decrease as genetic mutations accumulate.

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

Calculate how much of your tax dollars go to each federal program based on your income, filing status, and number of children

As of 2025, the most cited papers in science include a review of graphene, methods to improve image recognition, streamlining electron density calculations, and optimizing protein studies.

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.

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

The United States has had a tumultuous relationship with Cuba since its 1959 revolution, highlighted by a nuclear crisis and a decades-long trade embargo.

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

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

While the first exchange-traded fund (a 'basket' of different assets that can be bought and sold on a stock exchange) in the US only launched in 1993, the global ETF market has grown to more than $10T in the short time since.

El Niño, Spanish for 'the boy,' was named after Jesus Christ because the phenomenon resembled the weather changes observed around Christmastime.

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.

The most expensive ad of all time was for Chanel No. 5 perfume and cost roughly $33M to produce in 2004—about $57M in today's dollars.

Neutron stars, the remains of some massive stars after they explode in a supernova, are the densest directly observable objects in the universe.

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

All rainbows are 'raincircles' caused by water droplets separating white sunlight into a spectrum of colors, but Earth's surface blocks the bottom half of the circle from our line of sight.