The proposed change to group all Christian groups together would simplify the form, reducing cost.
If this option is not accepted, a second preference would be to include "Pentecostal" as one of the options. This is a rapidly growing Christian affiliation, particularly amongst younger age groups, which is not the same trend for traditional Christian religions. This would not add significant cost to the Census.
Judaism should have their own tick box. It is distinct to other religions listed.