Talk:Zero population growth

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BetacommandBot 11:37, 6 July 2007 (UTC)

Children of Men

What does this movie have to do with Zero Population Growth? It's not a movie about a society with zero population growth, it's a movie about a society in which there is no more children. That's not ZPG.--RLent (talk) 17:39, 9 April 2008 (UTC)

Correct - zero growth is different from zero reproduction (which would result in rapid de-population). ·:· Will Beback ·:· 01:47, 10 April 2008 (UTC)

zero poulation growth

zero poulation is the taking of humans and making them only have 2 kids per couple —Preceding unsigned comment added by 67.172.242.254 (talk) 22:58, 23 September 2008 (UTC)

Thats not true at all, ZPG has a much worse agenda than that. The fact of the matter is that peoples lifespans have been increasing for quite some time, and will continue to do so. For this reason alone, 2 per couple results in population growth. —Preceding unsigned comment added by Zaphraud (talk • contribs) 03:24, 10 October 2008 (UTC)

Both of these comments are problematic. The birth rate to insure relacement is actually 2.1 children. Some people need to have more than two to make up for the fact that some couples have one or zero children, and some portion of that next generation will also not be fertile. The current replacement rate is actually currently (in 2009) much lower than the needed replacement rate in some parts of the world ---especially first world countries. This is worsened by the fact that women in first world countries are having their chilren later in life. Simplistic solutions such as limiting the number of children to two are not feasible to maintaining populations. There are concerns that culture will be lost as certain ethnic, religious, or other groups attempt to enforce the 2 children or less rule in their population. —Preceding unsigned comment added by unsigned (talk 08:24, 15 January 2009 (UTC) —Preceding unsigned comment added by 96.242.130.52 (talk)

Presumably the birth rate to ensure replacement is 2 children on average - where the average is calculated over all "couples" including those who have zero children (including those who are infertile). Mitch Ames (talk) 13:25, 6 July 2009 (UTC)

Negative population growth will most likely be required for many nations in order to avoid population collapses because of exceeding biocapacity. List of countries_by ecological footprint 109.228.168.107 (talk) 23:37, 9 November 2012 (UTC)