Wealth ratio

Preparing for the promised performance at the local school at the end of the holidays about the benefits of mastering the Internet, I came across two interesting statistical materials. One said that there are already $ 8.7 million millionaires in the world, and the second that Forbes counted 793 billionaires. As a lover of mathematics, I was immediately drawn to the calculations, given the recent discussion on the computer forum in the discussion of the article 5 percent .

And I decided to calculate the wealth ratio :)

So, according to the laws of Zipf (Zipf), the distribution of wealth in the world is approximately described by the formula





where Pn is the relative wealth of the Nth person (relative to Bill Gates;)), N is the rank, and a is the wealth ratio.

Having data on the number of millionaires and billionaires, it is very easy to calculate this unknown coefficient!

With a decrease in wealth by 1000 times, the number of its owners increased 10,971 times, respectively, a ~ 0.743

Now, knowing this coefficient, it is possible to carry out interesting calculations.

Knowing the number of millionaires, it is easy to determine that 10 times less wealth ($ 100 thousand) is in x more people, where

_a

X = 10,

hence x ~ 22

we get that $ 100,000 have only ~ 190 million people, about 3% of the world's population.

Hence the paradoxical conclusion - if you own an apartment in Moscow or a two-room apartment in Kiev, you belong to the first 5% of the richest people in the world! 6 billion. Other people are poorer than you!

And even in rich America or Germany, formally 80% of the population is poorer than you, because they do not legally own real estate, stocks, savings and other assets for such an amount.

What to say about China or Africa!

Interesting information that makes you think, especially after reading Napoleon Hill, Kiyosaki, and others.