Even if the Federation bans abortion, won't people just go to Finland or Sweden for one? I think there needs to be a serious social and economic reasons why women are choosing abortion.
China is in serious dog doo doo. The one child policy is making sure that their social pyramid will collapse and that they will no longer be the slave sweeatshops to the world.
When you take out immigrants and their sized families, you see the USA is also seeing a population drop. The craash of 2008 actually lowered birthrates here within a year.
I have no solutions to any of these problems, just playing devil's advocate