What's the best guess for how many people own at least 1 BTC?

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self.Bitcoin
I noticed [the post by the dad](https://www.reddit.com/r/Bitcoin/comments/xe45vx/my_2_year_old_daughter_is_finally_part_of_the_21/) who bought his 2 year old daughter 1 BTC (way to go!) and it made me wonder... how many people own at least 1 BTC? The total supply will eventually be 21 million BTC. 19.1 million BTC have already been mined. It's estimated that around 2 million BTC have been lost (presumably forever). Some estimates of lost coins are as high as 3.8 million. Wow! And yikes. Secure your seed, folks! > "Lost coins only make everyone else's coins worth slightly more. Think of it as a donation to everyone." > --Satoshi Nakamoto Here's where the numbers get even more fuzzy. [902,094 addresses](https://bitinfocharts.com/top-100-richest-bitcoin-addresses.html) on the blockchain hold 1 BTC or more. But some of those addresses could belong to exchanges or other institutions that hold coins belonging to multiple people, thus the number could be higher. But some people have multiple wallets, thus the number could be lower. HHhhhhhhhmmmmm... **What's the best estimate for how many people own at least 1 BTC?**