In accordance with their tokenomics, @Aptos_Network has set aside 51.02% of the total supply for the community.
As of right now, only 20 million tokens have been distributed to 110,235 early testnet users, according to @CoinMarketCal.
So specifically, there are still 49,021,7359 $APTOS available for the community. That is approximately $4,710,988,819.99 at the present time