The following statistics via CARA:
As numbers don't lie, the three charts above show the undeniable slow death of the Church. It also shows the so-called "Francis Effect" has had zero effect on Sunday Mass attendance.
Now, for a glimpse of what the Church was. The numbers of Pius XII, the pontiff preceding the Council, are below. And they are equally as staggering in a good way as the post-Council numbers are devastatingly bad: