47 individuals own 28.9% of all bitcoins
880 individuals own 21.5% of all bitcoins
10,000 individuals own 24.5% of all bitcoins
1 million individuals own 20.7% of all bitcoins and 4.4% have completely gone missing
It's impossible to prove this data. Nobody knows how many people own
BTC.
Everybody I know has several wallets...
Regarding your poll, I'm not sure to understand it. It should say Yes or No, but it says 1 or 2.