Originally Posted by
421dog
You seem to be misreading the tables. Table 11 says that (as at the 2018 period) 68% of US pilots have instrument ratings. Sensibly and appropriately, that table ignores holders of licences that authorise operations only in VMC.
It is true that thorny’s ‘nearly 80%’ is an exaggeration of the actual 68%, but so is your implied suggestion that the percentage is only around 30%.