Catholicism and the Philippine population problem

"The Philippines has two characteristics which differentiate if from other countries in Southeast Asia. It is the only predominantly Christian country in the region and it has one of the highest rates of population growth. Non-Catholic Christians make up only about 9 per cent of the population compared with around 82 per cent for Roman Catholics. Given the Catholic Church objections to both contraception and abortion, it is not illogical to hypothesize a relation between the religious composition of the population and its rate of population growth."