A recent Pew Research Study showed that a majority of Catholics do not believe that the bread and wine used at Mass become the body and blood of Christ.
Here is a link to the study:
Bishop Robert Barron said “It’s hard to describe how angry I feel after reading what the latest @pewresearch study reveals about understanding of the Eucharist among Catholics. This should be a wake-up call to all of us in the Church.” and “It’s been a massive failure of the church in carrying out itw own tradition.” See all that he had to say on this important topic recently:
The real presence is an essential belief of our faith. We need to preach and teach the doctrine of the Real Presence to all catholic believers.
Here is an article from the USCCB:
Also, we recommend you view the series on Formed.Org titled Presence: