The most common birthdays

The most popular American baby names by decade

In 1998, the Social Security Administration began ranking the top 1,000 most common first names for each year dating back to 1880. While that list has since been whittled down, Americans can still gain insight into the trending names of the decade. Whether it’s just for curiosity or to avoid more common choices, check out this list of popular names from the past century.

The most common job in each US state in 2024

In 15 states, the most common job by number of employees is "fast food worker." Other most common jobs include cashiers and nurses.

Google reveals the top searches of 2023

Google Search remains the world's most popular online search engine, and the tech behemoth reveals the most common searches from at the end of every year. See global as well as more local trends in most common searches for people, films, and more.

Striking demographic trends from 2022

This article lists the 15 most striking research findings by Pew Research Center in 2022. The topics highlighted represent a sample of the Center’s research, compiled through surveys. Findings examine public opinion around the biggest news events...

As of 2022, scientists estimate that 117 billion people have been born on Earth

Although no demographic data exist for more than 99% of the time humans have existed, this value can be estimated by tracking approximate population sizes over different periods and the birth rates within those periods. In 2022, about 6.8% of humans that have ever been born were alive.

The names of the 12 months are (mostly) derived from the Romans

January is named after two-faced Janus, February stems from a festival known as Februa, March comes from the god of war, Mars, and so on. Learn the origins and see ancient statues or art for the inspiration for each name of the month.

Some couples specifically try to birth children in the Year of the Dragon

Dragons are considered so lucky in Chinese culture that it's believed some couples time their children’s births to the Year of the Dragon. That’s debatable. Overall, birth rates in the country have fallen, and it’s not clear if a dragon-baby swell could counteract that.

The fall is the best time of year to buy a car

The months of October through December are generally considered the best time to buy a car because old inventory is getting pushed out the door to make room for new cars. In addition to those months, some days of the week are considered better for car buying than others. To find out more, read this article.

About 10%-15% of people experience chronic insomnia

How often would you say you struggle to stay or fall asleep? If it's more than three times per week (and has been going on for at least one month), then you might have one of the most common sleep disorders: insomnia.

Valentine's Day is considered the end of 'proposal season'

Wedding website The Knot's internal study found that Christmas is the most popular day to propose. It also kicks off "proposal season," a monthslong season from Christmas to Valentine's Day that's a popular time for lovers to pop the question.

20 of the most common cyberattacks

While there are dozens of different types of cyber attacks, this article explains the top 20 most common network attack examples, including phishing, whale-phishing, and spear-phishing attacks. Learn how to best protect yourself.

Mother's Day is one of the restaurant industry's biggest days

Brunch is a popular activity for the holiday, leading to large parties, long lines, and big checks—in 2023, the National Retail Federation anticipated $5.6B spent on a meal or outing. That's made Mother's Day a notorious day for service workers, with CNN calling it "The most hated day in the restaurant industry."

What is the rarest color in nature?

Plants, animals, or minerals found in nature bear almost every color imaginable. There are two factors that influence what hues you see in the wild: physics and evolution. So, which colors are you least likely to see in the natural world? Victoria Hwang explores one of nature’s rarest spectacles.

More than 90% of America’s food allergies are triggered by 9 foods

Milk, egg, peanut, tree nuts, soy, wheat, fish, shellfish and most recently, sesame, are recognized as the most common food allergies in the US. Together, they are responsible for at least 90% of the serious food allergy responses in the country.

Why Friday surgeries are (likely) riskier

Scheduling surgery on a Friday may lead to more complications—up to 5% more often—compared to surgeries performed after the weekend. The research was conducted by a team from the United States and Canada and analyzed data from over 450,000 patients who underwent common surgeries in Ontario between 2007 and 2019. Check out their findings here.

Jobs that marry each other the most

Out of all married physicians, roughly one in five is married to another physician. The trend extends beyond the medical field. Some professionals are more likely to marry one another than others. Find out which jobs most often pair together among married couples with this interactive tool based on estimates from the American Community Survey. Click here to type in your profession and see your most likely match.

The best New Year’s Eve drops

There’s more out there than the Times Square ball drop. This list ranks the best of the rest, including the Great Pinecone Drop in Arizona, the Lebanon Bologna Drop in Pennsylvania, and the Pickle Drop in North Carolina.

Unconditional birthright citizenship is rare outside the Americas

Around 30 countries, mostly in the Americas, grant automatic citizenship by birthplace. Elsewhere—especially in Europe, Asia, and Africa—citizenship typically follows jus sanguinis, based on parental descent rather than location of birth.

Great Smoky Mountains National Park is the most popular national park

The Tennessee park attracted more than 12 million visitors in 2024, nearly three times the amount Zion National Park, the number two most popular park, brought in. The least visited park was the famously remote Gates of the Arctic National Park and Preserve in Alaska, which posted only 11,907 visitors.

Couple welcomes rare quadruplet daughters who are actually a set of twins

The four healthy girls were delivered by cesarean section and joined a larger family that includes their parents and a 2-year-old older brother. Without the use of fertility drugs, quadruplet births are rare, but the chances are even slimmer that they'll be sets of identical twins. Medical professionals say the odds are around one in a million.

New York was the most expensive city to rent a three-bedroom apartment in as of 2025

At an average of $8.4K per month, New York City beat out London, Paris, San Francisco, and others as the most expensive major city to rent in. This visualization shows exactly how the others ranked.

How lunisolar calendars work

Despite being called Lunar New Year, the Chinese calendar that the holiday is based on is actually lunisolar, or based on both the sun and the moon. Many religious holidays—including Easter, Ramadan, Chinese New Year, and Passover—do not have fixed dates according to the now-ubiquitous Gregorian calendar.

Hand, foot, and mouth is usually seasonal—peaking in summer—but not always

This painful, contagious disease most commonly has outbreaks in summer and early fall in the US because the enteroviruses that cause disease can most readily survive and be transmitted in warmer, humid conditions. It can still show up throughout the year, however.

JCPenney offers an average Black Friday discount of 59%—higher than most other US retailers

This data visualization ranks retailers like Target, Walmart, Macy’s, and more by who has the best Black Friday deals on average. Specifically, the visualization uses data from 13 major US retailers in 2023.

The top 10 most unbreakable Winter Olympics records

Some athletes and teams dominate a sport or an era. This video compiles the records least likely to be surpassed (and excludes those that are impossible due to rule changes). From the Dutch sweep of four podiums in speed skating to Eric Heiden's five individual gold medals at Lake Placed in 1980, watch this list of the Games' most enduring feats.

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.

Fireworks-related ER visits are on the rise—in 2024, they increased by 52% as compared to the prior year.

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.

Meet the 56 signers of the Declaration of Independence—most of whom didn't put pen to paper until August 2, 1776—and see their original signatures.

See the most iconic photos from four decades of LIFE magazine

Animal phobias are likely the most common type of phobias, followed by an extreme fear of heights.

For centuries, it was common to sleep in two shifts: a few hours at the beginning of the night, and a longer period beginning around midnight

The Nasdaq's 'Magnificent 7' companies are responsible for roughly 40% of the Nasdaq 100 index's gains, while the remaining 93 companies account for the other 60%.

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.

View the ten deadliest tornadoes in US history.

The US dollar is the most widely circulated currency in the world, and is involved in nearly 90% of global transactions

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

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

In 1939, baseball star Lou Gehrig delivered his inspirational 'Luckiest Man' speech after retiring due to the health condition that now bears his name.

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.

Poison ivy can cause rashes year-round since all parts of the plant contain urushiol, the oil that triggers our allergic response.

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.

Children are now three times more likely to say they want to be a YouTuber when they grow up than an astronaut, with some even attending 'YouTube camps' that teach kids how to create content for the platform.

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

Coral polyps reproduce via broadcast spawning, where entire reefs simultaneously release reproductive cells for about one hour, once a year.

A 2019 Facebook event called on attendees to "Storm Area 51, They Can't Stop All of Us," resulting in countless memes, the creation of a music festival, and eventually the arrests of those who did try to approach the area.

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

While the sun's gravity keeps the planets in orbit, their gravity also pulls on the sun, causing it and everything else in the solar system to orbit around a mutual balance point called the barycenter—the true center of the solar system.

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.

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.