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posted by martyb on Tuesday February 05 2019, @12:39AM   Printer-friendly
from the Betteridge-says-maybe dept.

By 2050 there will be 9 billion carbon-burning, plastic-polluting, calorie-consuming people on the planet. By 2100, that number will balloon to 11 billion, pushing society into a Soylent Green scenario. Such dire population predictions aren't the stuff of sci-fi; those numbers come from one of the most trusted world authorities, the United Nations.

But what if they're wrong? Not like, off by a rounding error, but like totally, completely goofed?

That's the conclusion Canadian journalist John Ibbitson and political scientist Darrel Bricker come to in their newest book, Empty Planet, due out February 5th. After painstakingly breaking down the numbers for themselves, the pair arrived at a drastically different prediction for the future of the human species. "In roughly three decades, the global population will begin to decline," they write. "Once that decline begins, it will never end."

The World Might Actually Run Out of People (archive)

Empty Planet

Who do you think is right ? The United Nations or Darrel Bricker/John Ibbitson ?


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  • (Score: 3, Informative) by corey on Tuesday February 05 2019, @01:35AM (12 children)

    by corey (2202) on Tuesday February 05 2019, @01:35AM (#796420)

    A few years ago when the world hit 7 billion, National Geographic had a special on it. They had some interesting articles about the future, one of which predicted that it would flatten out and stabilise, even decline a bit.
    It was based on historical observations that as countries develop, the death rate falls due to better health care, but also the birth rate falls due to less risk. But also it falls due to women becoming more educated and working so they have less children.
    Was really interesting. I can't remember what the peak was.
    I stopped subscribing when they were bought by Murdoch (Fox).

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  • (Score: 2) by Gaaark on Tuesday February 05 2019, @01:43AM

    by Gaaark (41) on Tuesday February 05 2019, @01:43AM (#796425) Journal

    Shit: guess I should have refreshed my browser: I just posted pretty much what you did.

    --
    --- Please remind me if I haven't been civil to you: I'm channeling MDC. ---Gaaark 2.0 ---
  • (Score: 3, Informative) by FatPhil on Tuesday February 05 2019, @01:53AM (10 children)

    by FatPhil (863) <reversethis-{if.fdsa} {ta} {tnelyos-cp}> on Tuesday February 05 2019, @01:53AM (#796432) Homepage
    I used to have a copy of every prediction for population that the UN had made since the 90s. Alas I seem to have lots those files on a random HD at some point. The funny thing about them was that the current median extrapolation was always, and I mean always, the same as 5-10 years ago's pessimistic extrapolation. i.e. they kept making the same mistake year after year after year, and never adjusted their models to try and make the "pessimistic" one the expected one.
    --
    Great minds discuss ideas; average minds discuss events; small minds discuss people; the smallest discuss themselves
    • (Score: 0) by Anonymous Coward on Tuesday February 05 2019, @02:07AM

      by Anonymous Coward on Tuesday February 05 2019, @02:07AM (#796435)

      It sounds worthwhile to find that and put it online.

    • (Score: 2) by Immerman on Tuesday February 05 2019, @03:09AM (2 children)

      by Immerman (3985) on Tuesday February 05 2019, @03:09AM (#796461)

      What makes you think it was a mistake? The same thing has happened with atmospheric CO2-level predictions. The UN is a political body, not a scientific one, and it shouldn't be at all surprising that their official predictions reflect politics more accurately than science.

      • (Score: 2) by FatPhil on Tuesday February 05 2019, @09:08AM (1 child)

        by FatPhil (863) <reversethis-{if.fdsa} {ta} {tnelyos-cp}> on Tuesday February 05 2019, @09:08AM (#796562) Homepage
        What makes you think that because I used the word "mistake", I think it was an actual mistake? To mispredict in one report may be regarded as a misfortune, Mr Immerman; to mispredict in two looks like carelessness.
        --
        Great minds discuss ideas; average minds discuss events; small minds discuss people; the smallest discuss themselves
        • (Score: 2) by Immerman on Tuesday February 05 2019, @04:23PM

          by Immerman (3985) on Tuesday February 05 2019, @04:23PM (#796724)

          Because you said mistake, rather than "mistake" as is typically done to indicate that it was a "mistake" in name only. Nor does anything else in your post suggest you were using the term sarcastically. Words and language conventions have meaning, and I tend to give people the benefit of the doubt and assume are using them appropriately to convey the meaning they intended.

    • (Score: 2) by JoeMerchant on Tuesday February 05 2019, @03:52AM (4 children)

      by JoeMerchant (3937) on Tuesday February 05 2019, @03:52AM (#796477)

      he current median extrapolation was always, and I mean always, the same as 5-10 years ago's pessimistic extrapolation. i.e. they kept making the same mistake year after year after year, and never adjusted their models to try and make the "pessimistic" one the expected one.

      It isn't just since the 90s, I've been hearing this story and reading about historical predictions since the 1960s that all continue to paint rosy pictures with one scary worst case scenario that continues to come true, but the rosier picture has to happen sooner or later, just keep waiting while we enjoy the ride...

      Now I hear that China's "One Child" was never intended to stop population growth, just slow it down, and it was a great success... How in the hell can you call a program that produced millions of men without wives, while limiting couples to a single child for generations, yet population still increased at a rather strong rate (but slower than before the program) a success?

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      • (Score: 0) by Anonymous Coward on Tuesday February 05 2019, @04:03AM

        by Anonymous Coward on Tuesday February 05 2019, @04:03AM (#796483)

        Except that's not true. Those missing women are there, they just aren't registered. And you see similar issues in the U.S. where there are significant numbers of men in excess of women in most of the Western states and some shortfalls in parts of the East and South. This is largely an issue of internal migration and declines in the numbers of men dying prematurely.

      • (Score: 3, Informative) by FatPhil on Tuesday February 05 2019, @08:56AM (2 children)

        by FatPhil (863) <reversethis-{if.fdsa} {ta} {tnelyos-cp}> on Tuesday February 05 2019, @08:56AM (#796559) Homepage
        I can confirm that - the main reason I started collecting the data (in about 2000, but their website did have old docs available) was that I had detected a long-standing pattern of bullshit already, and was sick of it. I think I was hoping to collect many many decades of data about either deliberate or incompetent misprediction (where repeatedly using incompetent people to build the models and perform the projections is in itself a deliberate act - this ain't no accident either way), and then present my findings in an earth-shattering report some time when I was in my cranky old age (which is getting closer). Unfortunately, I fricken lost all those files a few years back, so I've kinda screwed the pooch. I guess a library search could find newspapers reporting on their old reports, but I've become too lazy now.
        --
        Great minds discuss ideas; average minds discuss events; small minds discuss people; the smallest discuss themselves
        • (Score: 2) by JoeMerchant on Tuesday February 05 2019, @02:26PM (1 child)

          by JoeMerchant (3937) on Tuesday February 05 2019, @02:26PM (#796667)

          I fricken lost all those files a few years back

          Did you lose them, or did the mind control ray make you destroy them ;-P

          I guess a library search could find newspapers reporting on their old reports, but I've become too lazy now.

          Sounds like a job for an eager kid, you know: somebody young enough to actually be affected by the BS in a seriously bad way. Jokes aside, I don't think the propaganda machine is strong enough to go destroying old newspaper microfilm/microfiche, but I do think it is strong enough to severely bias the historical information that's available online. The "Wayback Machine" is pretty good for what it covers, but it only reaches back about 25 years now.

          --
          🌻🌻 [google.com]
    • (Score: 2) by DeathMonkey on Tuesday February 05 2019, @06:51PM

      by DeathMonkey (1380) on Tuesday February 05 2019, @06:51PM (#796828) Journal

      The Accuracy of Past Projections [nap.edu]

      In 1998 the U.N. estimated that world population size will reach 6.06 billion in the year 2000. This figure is 220 million lower than the 6.28 billion projected by the U.N. in 1958. The error in this projection made 40 years earlier—assuming that the current estimate for the year 2000 is accurate—was therefore 3.6 percent. Figure 2-1 presents similar estimates of error for other U.N. world projections of recent decades. Errors range from 1 percent for the 1996 point forecast to 7 percent for the 1968 forecast, the latter being the only one with an error greater than 4 percent.

      If you look at the graph:

      1990: 3.3%
      1992: 2.8%
      1994: 1.7%
      1996: 0.5%

      So they started out pretty damn accurate and proceeded to get even more accurate through the 90's.