In contrast , Japan during that era ( the 1500s ) already had a population of 8 Million .
Mexico had a population of 4 million , which was huge compared to the Philippine 's mere 600,000 .
In contrast , Japan during that era ( the 1500s ) already had a population of 8 Million or Mexico had a population of 4 million , which was huge compared to the Philippine 's mere 600,000 .