The rise in population spiked started during WWII. The Chinese saw children as an investment for the future, but later this idea became over used and now it has the largest population in the world.
This would be because they are massive.
Sushi! THEY EAT TOO MUCH SUSHI!!
Mao zedong and his great leap forward which turned into the great leap backwards
Crops
To the person who said sushi 2 years ago, sushi is Japanese
It is partly because china was influenced and encouraged by Chair Mao to basically go and make loads of babys! And have a big family. Unfortunately this caused a fast growing population, much larger than they thought it would be
Because the girls are so cute and so amazing in bed, that whats the stand of chinese man, every man flewdown there ebabies in bathrooom just by imagining themselves close with any of the chinese cutie.