September 18 is the birthday of 41 notable people we've found so far, including actors, athletes, politicians and scientists, and 1 of them is a billionaire.
$24.2Bolder estimate, as of February 2025 · Forbes
Emmanuel Georges Philippe Besnier is a French heir and billionaire businessman. He is the chief executive officer (CEO) and controlling shareholder of Lactalis. As of February 2025, Forbes estimated his net worth at US$24.2 billion.
Share of the 41 people we list, by documented field. People can belong to more than one.
Actors29% (12 people)
Athletes27% (11 people)
Politicians22% (9 people)
Scientists17% (7 people)
Creators15% (6 people)
Entrepreneurs15% (6 people)
Musicians12% (5 people)
Countries
15 countries, most often United States
Citizenship as recorded on Wikidata, one country per person.
United States15 (15 people)
Japan5 (5 people)
France4 (4 people)
United Kingdom4 (4 people)
Canada2 (2 people)
Sweden2 (2 people)
Armenia1 (1 people)
Life timeline
What were people born on September 18 doing at your age?
Dated milestones from Wikidata (company foundings, awards, top jobs, notable works), placed at the age each person reached them. Add your birth year above to see the ones you have passed.
By 25
~20RonaldoNamed FIFA World Player of the Year (1996)
Ronaldo Luís Nazário de Lima, mononymously known as Ronaldo, is a Brazilian former professional footballer who played as a striker. He is the former owner and president of La Liga 2 club Real Valladolid.
James John Gandolfini was an American actor. He was best known for his portrayal of Tony Soprano, the Italian-American mafia crime boss in HBO's television series The Sopranos (1999–2007).
Chairman of the Joint Chiefs of Staff, CC BY 2.0, via Wikimedia Commons
Christian Mate Pulisic is an American professional soccer player who plays as a winger, attacking midfielder and forward for Serie A club AC Milan and the United States national team.
James Paul Marsden is an American actor. His accolades include nominations for two Emmy Awards and one Golden Globe. He began his acting career guest starring in the television shows Saved by the Bell: The New Class (1993), Touched by an Angel (1995), and Party of Five (1995).
Gage Skidmore, CC BY-SA 3.0, via Wikimedia Commons
Jada Koren Pinkett Smith is an American actress, businesswoman, and talk show host. She is co-host of the Facebook Watch talk show Red Table Talk, for which she has won a Daytime Emmy Award. Time named her one of the 100 most influential people in the world in 2021.
John David McAfee was a British and American computer programmer, businessman, and two-time U.S. presidential candidate who unsuccessfully sought the Libertarian Party nomination for president of the United States in 2016 and in 2020.
Gage Skidmore, CC BY-SA 3.0, via Wikimedia Commons
Mark Richard Shuttleworth is a South African and British entrepreneur, founder and CEO of Canonical, the company behind the Linux operating system variant Ubuntu. In 2002, Shuttleworth became the first African to travel to space, doing so as a space tourist.
Jonnymccullagh, CC BY-SA 3.0, via Wikimedia Commons
Gerald Harvey is an Australian entrepreneur best known for being the executive chairman of Harvey Norman Holdings, a company which runs Australian retail chain Harvey Norman. He co-founded it with Ian Norman in 1982.
Samuel Johnson, often called Dr Johnson, was an English writer and polymath who made lasting contributions as a poet, playwright, essayist, moralist, literary critic, sermonist, biographer, editor, and lexicographer.
Joshua Reynolds, Public domain, via Wikimedia Commons
Steven Arthur Pinker is a Canadian cognitive psychologist, psycholinguist, popular science author, and public intellectual. He is an advocate of evolutionary psychology and the computational theory of mind.
Christopher Michel, CC BY-SA 4.0, via Wikimedia Commons
Sulzeer Jeremiah "Sol" Campbell is an English professional football manager and former player. He spent 20 years playing in the Premier League and had an 11-year international career with the England national team.
Stefan Schäfer, Lich, CC BY-SA 4.0, via Wikimedia Commons
Alison Marion Lohman is a retired American actress. She began her career with small roles in short and independent films, and starred in the sitcom Tucker (2000–2001) and the soap opera Pasadena (2001).
Gage Skidmore, CC BY-SA 3.0, via Wikimedia Commons
Alvin Nathaniel Joiner, better known by his stage name Xzibit, is an American rapper, actor, television presenter, radio personality, and record executive.
Serge Jonás Ibaka Ngobila is a Congolese-Spanish professional basketball player who last played for Real Madrid of the Spanish Liga ACB and the EuroLeague.
Keith Allison from Hanover, MD, USA, CC BY-SA 2.0, via Wikimedia Commons
Anna Yuryevna Netrebko is a Russian operatic soprano who has performed at the Salzburg Festival, Metropolitan Opera, Vienna State Opera, the Royal Opera and La Scala.
Manfred Werner (Tsui), CC BY-SA 3.0, via Wikimedia Commons
Adrien-Marie Legendre was a French mathematician who made numerous contributions to mathematics. Well-known and important concepts such as the Legendre polynomials and Legendre transformation are named after him.
Julien-Léopold Boilly, Public domain, via Wikimedia Commons
Jean Bernard Léon Foucault was a French physicist who invented the Foucault pendulum, a device demonstrating the effect of Earth's rotation. He also made an early measurement of the speed of light, discovered eddy currents, and is credited with naming the gyroscope.
Bertall & Cie. Fizped, Public domain, via Wikimedia Commons
Jack Cardiff was a British cinematographer, film and television director, and photographer. His career spanned the development of cinema, from silent film, through early experiments in Technicolor, to filmmaking more than half a century later.
Not known. Cardiff family have given permission for it be used on Wikipedia., CC BY-SA 3.0, via Wikimedia Commons
Bernard Werber is a French science fiction writer, active since the 1990s. He is chiefly recognized for having written the trilogy Les Fourmis, the only one of his novels to have been published in English.
Edwin Mattison McMillan was an American physicist credited with being the first to produce a transuranium element, neptunium. For this, he shared the 1951 Nobel Prize in Chemistry with Glenn Seaborg.
Nobel Foundation, Public domain, via Wikimedia Commons
Viktor Amazaspovich Ambartsumian was a Soviet and Armenian astrophysicist and science administrator. One of the 20th century's leading astronomers, he is widely regarded as the founder of theoretical astrophysics in the Soviet Union.
Siegfried Samuel Marcus was a German engineer and inventor, born in the Grand Duchy of Mecklenburg-Schwerin. He made the first petrol-powered vehicle, a handcart, in 1870, while living in Vienna, Austria.
The original uploader was Newfoundlanddog at German Wikipedia., Public domain, via Wikimedia Commons
This page lists 41 people born on September 18, every one traced to a Wikidata record and, where shown, a Wikipedia summary (CC BY-SA) and a licensed Wikimedia Commons photo. 1 of them carry a dated net-worth estimate citing Forbes or Bloomberg; combined wealth is the sum of the low end of those estimates, the newest as of February 2025. Rankings compare all 366 dates in the dataset built on 2026-09-28. Milestone ages come from dated Wikidata statements; a tilde marks year-only dates. Nothing on this page is a prediction about anyone born on September 18. Read the full methodology.
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