As of block 788429 the #bitcoin mempool contains about 267,349 unconfirmed transactions.
An estimated 204,722 transactions or ~76% appear to be related to ordinals, filling over 37% of the total mempool storage space.
--
total #mempool size: 132 MvB
ord transactions size: ~49 MvB
addtl. miner fees: 0 sats