Will there be an 18 year old [or younger] self-made billionaire (in 2023 dollars) by 2030?
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This is obviously a question about wunderkind, and to some extent about child labor laws. The exemplar would be some hypercompetent young founder, but hitting it big in crypto would be fine, or any other way of getting there.

Self-made is here defined as meaning the money cannot be inherited: specifically, no more than $13m in 2023 US Dollars can come from investments or gifts from parents (somewhat arbitrary; derived from the current US gift tax exemption). Obviously rich families help in many intangible ways; for the purpose of this question that's fine. If the parent gave them $500m and they're now worth $1.5b, that does not satisfy the definition, although still an impressive feat.

As far as I can tell, Kylie Jenner is the closest so far, having in 2018 had a net worth of approx $1.1b in 2023 dollars at the age of 20.

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Is this in USD or the persons local currency? I don't see that specified

predicts NO

What is unclear to you exactly? The question appears to be about net worth (no matter the sort of assets), converted to 2023 USD.

@jskf Where does it say USD? I assumed that's likely what it meant, but it could be NZD, or CAD, or any other country that uses dollars

predicts NO

Oh, you're right. Looks like it doesn't specifically say USD, just D. That said, when people say just "dollars" on Manifold, they are almost definitely talking about USD, and obviously the question is going to use a common unit of money.

@LukeViggers thanks for the clarification, yes have edited to say USD

13 million is a lot to inherit to still be considered "self-made", even before you consider the intangible help.

@Toby96 indeed. where would you draw the line and why? (i am not planning to change the resolution, just curious)

@noumena Well, difficult to say. 13000000USD is approximately 240 annual US median incomes. These people - through nothing but fortunate parents - start with more wealth than an average person would earn through a lifetime of labour. Significantly more.

And at 5% ROI it would pay 650000USD a year in passive income if invested in an index fund.

With these numbers it is ridiculous to call somebody self-made. I think that a number that is lower than a lifetime income at median salary would be more reasonable, but still not good enough.

In the end, I think the real take-home point is that billionaires just aren't ever self-made.

I understand not wanting to change the resolution criteria, but I think you should consider at least changing the title to better reflect them. Currently it is quite misleading.

18 or younger or exactly 18?

@PatMyron 18 or younger

Why does this close in six days?

predicts YES

@Conflux whoops! fixed to 2030

bought Ṁ20 of YES

Cool question!

So hyper-Inflation counts?

@LightLawliet I suppose I should say “in September 13, 2023 dollars” to rule out the chance of massive hyperinflation by the end of this year, but come on

Today I learned that Kylie Jenner is a woman's name. I'm starting to wonder if my ignorance regarding celebrities will negatively impact my betting.

Also this resolves yes if it already happened.

bought Ṁ10 of NO

Hmmm that raises some interesting questions about 2023 dollars in the past. A billion dollars is 1/500,000 of all human money, is that the bar?

What about the time that the human population was reduced to <10,000?

@Joshua it's not about relative power; it should be easier to become a billionaire in 2030 than it is now, and much harder in the past. For past reckoning, I will only consider possession of fiat money, precious metals or company shares. Capture of land holdings, although notable, is not the sort of thing that I care about (measuring historical leaders by that standard that would be more similar to claiming that Tim Cook has $2.72 tn.)