The number of Garfield comic strips is quite large. It's hard to give an exact count, but it's definitely in the many thousands. The strip has been popular for years and continues to be produced.
The total number of Garfield comic strips is constantly changing. But as of now, it's in the several thousands. Jim Davis has been creating them for a long time.
Sure is. Garfield Minus Garfield reimagines the original Garfield comics in a creative and sometimes humorous way. It's gained a following among comic enthusiasts.
I don't think there is a Garfield comic where Garfield died. Garfield is a popular and long-running comic series, and typically, the main character like Garfield doesn't meet such a fate.