The most common surname in the world is Wang (王), a Chinese name meaning "king" or "prince," shared by over 100 million people, primarily in China, due to historical royal adoptions for protection during dynasties. Other highly common names include Li (李) and Zhang (張), also Chinese, followed by names like Chen (陳) and Liu (劉), reflecting China's massive population and the proliferation of these ancestral names.
The Most Common Last Name on Earth
More than 106 million people have the surname Wang, a Mandarin term for "prince" or "king." It's not too surprising that many of the top surnames are Chinese, as China has one of the world's largest populations.
The most common last name in the world is, without a shadow of a doubt, Wang. Yep, you heard that right. This Chinese surname is currently estimated to be shared by over 100 million people worldwide. That's a colossal number, folks!
The top 10 most common last names vary by country, but globally, names like Wang (China), Nguyen (Vietnam), and Devi (India) are incredibly prevalent, while in the United States, the list is dominated by English/Welsh and Hispanic names: Smith, Johnson, Williams, Brown, Jones, Garcia, Miller, Davis, Rodriguez, and Martinez.
There isn't one single "rarest last name" globally, as rarity changes by region, but some names are incredibly scarce, with examples including Pober, Mirren, Febland in England, Gambello (around 60 globally), and unique historical names like Marsvin (Danish noble, extinct male line) or names that have nearly vanished like Twelvetrees or Birdwhistle. Rarity often comes from geographic origins, recent migration, or names dying out, with some existing with only a handful of people.
Although the official surname of the Royal Family is Mountbatten-Windsor, some members of the family use different 'surnames'. These stem from the senior title of the head of each branch of the family.
Hubert Blaine Wolfeschlegelsteinhausenbergerdorff Sr.
(4 August 1914 – 24 October 1997; surname also given as Wolfstern, Wolfe + 666, Wolfe+585, Wolfe+590, and others) was a German-born American typesetter who held the record for the longest personal name ever used.
The #1 most popular name depends on the region and year, but globally, Muhammad is often cited as the most common male name, while in recent years for newborns in places like the US, UK, and Australia, Olivia (girls) and Noah or Oliver (boys) consistently rank at the top.
It is widely believed that Kushim, a name of Babylonian origin, is the first surname on record in the world, dating back to approximately 3400 to 3000 BCE. However, when looking at older last names, Victorian surnames often spring to mind.
In Iceland, most people have no family name; a person's last name is most commonly a patronymic, i.e. derived from the father's first name.
Anywho compiled a list of 10 of the most common full names, with data pulled from sources that reference the Census Bureau.
Nguyen is the most common surname in Vietnam, meaning 'musical instrument' and rooted in Chinese. Nguyen is popular worldwide due to Vietnam's historical ties with countries like Australia and France.
The most commonly-observed ancestry found in people with the surname Best is British & Irish, which comprises 50.0% of all ancestry found in people with the surname. The next two most common ancestries are French & German (23.8%) and Eastern European (3.7%).
The number one girl name varies by location and year, but Olivia, Charlotte, and Amelia are consistently at the top in the U.S. and Australia for recent years, while Isla and Evelyn have claimed the top spots in other regions like the UK and Canberra for 2025 data.
Rare Baby Boy Names
The '100-Year Rule' for baby names suggests that popular names follow a three-generation cycle. That means names that were trending 100 years ago (back in the 1920s) are due for a comeback!
Yes, there is a woman known for having a name with over 1,000 letters, famously featured on The Oprah Winfrey Show in 1997; her full name is Rhoshandiatellyneshiaunneveshenk Koyaanisquatsiuth Williams, but she goes by "Jamie" for simplicity, and her name was recorded as 1,019 letters long. Her mother gave her the name to make her unique and break the Guinness World Record, with the name containing parts of family names, places, and terms like "love" and "friend".
"The oldest surname in the world is KATZ (the initials of the two words - Kohen Tsedek). Every Katz is a priest, descending in an unbroken line from Aaron the brother of Moses, 1300 B.C."
Laurence Watkins (Australia) has the longest personal name of 2,253 unique words 😱
What is the oldest British surname? The Normans introduced surnames to England after their invasion in 1066. Although we have little in terms of written sources from this early period, the surname 'Hatt' was found in a Norman transcript from Cambridgeshire.
Popular British Baby Names
Cool Last Names that Stand out in a Realistic Setting