SvennoJ on 21 March 2013
Education and raising the standard of living has already proven to reduce birth rate, so much so that if it wasn't for immigration many western countries would have a shrinking population.
If you don't want poor uneducated people to create more children, your best bet is good public education with good job prospects. Any other means, like fines, will only harm children more.
Anyway it's already working
http://newsfeed.time.com/2013/01/11/overcrowding-nah-the-worlds-population-may-actually-be-declining/
