Life lists were completely overhauled and some of the functionality changed.
The ID count on your profile page uses current=true, while the count on the identifications page uses current=any. Neither one is “more accurate”, it depends what type of ID you want to count. If current=true, that means it only counts IDs that are currently active – that you haven’t withdrawn, or that weren’t withdrawn when you added a newer ID to the same observation. If current=any, then withdrawn IDs are also counted.