However one address doesn't equate one person, not does it even equate to one wallet, as "change" addresses are involved in the bitcoin protocol, and can hold a large amount of coins.
Also there is the whole issue of exchanges, which only maintain amounts in their (private) databases, and as you can see on the rich list, exchanges currently control a large amount of NOBL (and that's a conservative tagging, ie. some high-ranking untagged entries in the rich list are probably exchanges as well)
each different address in your wallet shows up as a different address on the rich list. So in theory 5 of the top 10 addresses could all be in the same wallet.
am i correct? or is there a way to tell???