AskDefine | Define billionaire

Dictionary Definition

billionaire n : a very rich person whose material wealth is valued at more than a billion dollars

User Contributed Dictionary



  1. Somebody whose wealth is greater than one billion dollars, or the local currency


wealth exceeding one billion

Extensive Definition

A billionaire is a person who has a net worth of at least one billion units of currency, such as United States dollars (US$), U.K. pounds () or euros ().
Though a "billion" used to be a million million in much of the Commonwealth of Nations, the American version (one thousand million) is commonplace now in the United Kingdom; so in Britain a billionaire is someone with a net worth of at least 1,000,000,000 pounds. According to Forbes Magazine, the year 2006 saw not only the biggest increase in billionaires around the world, but also was witness to the biggest economic expansion in history. It is believed that in that period, the world economy grew at an extraordinary rate of 2.5%. The top three cities that have the largest concentration of billionaires according to Forbes are New York, London, and Moscow, with Moscow having the most billionaires according to the Forbes billionaire list published in 2008.

Origins of billionaires

The first Forbes ranking of billionaires in 1986 found 140 billionaires around the world. However, by 2008 Forbes ranking counted a total of 1,125, whose total accumulated wealth measured US$4.4 trillion. John D. Rockefeller became the first billionaire on September 29, 1916. The youngest billionaire in the world is Mark Zuckerberg, 23-year-old creator of the popular social networking website Facebook.
The average billionaire is a 62-year-old male who gained his wealth through investments, inheritance or business practices.


billionaire in German: Millionär#Milliard.C3.A4re
billionaire in Spanish: Multimillonario
billionaire in Dutch: Miljardair
billionaire in Simple English: Billionaire
billionaire in Finnish: Miljardööri
billionaire in Vietnamese: Tỷ phú
billionaire in Yiddish: ביליאנער

Synonyms, Antonyms and Related Words

Daddy Warbucks, bloated plutocrat, capitalist, fat cat, man of means, man of substance, man of wealth, millionaire, moneybags, moneyed man, multimillionaire, nabob, parvenu, plutocrat, rich man, richling, warm man, wealthy man
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