Complex sentence: According to the 2006 Commonwealth Census figures, there were 4,932,423 people within the province, of which 1,349,828 were Catholic, about 28% of the population.
Split into simpler sentences: According to the 2006 Commonwealth Census figures, there were 4,932,423 people within the province. Of these, 1,349,828 were Catholic, about 28% of the population.