Is Population growth a problem?

If you think that population explosion is a problem, think again, only if you are in Japan
This article http://www.thehindu.com/2008/05/05/stories/2008050557182200.htm says that Japan has lowest percentage of children in last 100 years. May be Indian male horniness is of some help to Japanese dormancy, so all those people who were excited by cheer leaders and threw an abuse or two at them, why dont you try your hmmmmm... whatever in Japan?