A
I've found a very good source that document the information of born again population in the philippines. This information will greatly help your ministry.
Sources are from philippine challenge
Province Summary from most provinces: Philippines Church - Province Summaries
Map: Philippine Church - Percentage Evangelical
Database: Philippine Church National Summary
Sources are from philippine challenge
Province Summary from most provinces: Philippines Church - Province Summaries
Map: Philippine Church - Percentage Evangelical
Database: Philippine Church National Summary