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<p>"For the purposes of our analysis, we define poor and vulnerable
people as those who live in households with a daily spending power of
less than $11 per person per day (in 2011 PPP). This includes extreme
poor people (living on less than $1.90 per day) and vulnerable groups
(between $1.90 and $11). By contrast, middle class and rich households,
who dominate global consumer spending, are defined as those who spend
more than $11 per person per day. (<a href="https://www.brookings.edu/blog/future-development/2018/09/27/a-global-tipping-point-half-the-world-is-now-middle-class-or-wealthier/">Read this article</a> to learn more about these definitions.)"</p>
<p>"If you apply these definitions globally you will see that 2019 was a
pivotal year in global development. We are experiencing a double tipping
point on both age and wealth dimensions. The world today is getting
steadily older—mature, settled adults over the age of 30 are now half
the population and growing. And the world is getting steadily
richer—about half the world is now middle class or richer. When we
combine income trends across demographic segments, we find that there
are approximately 2.2 billion <em>young and poor</em> and the same number of <em>old and rich</em> people, while there are 1.6 billion <em>young and rich</em> and the same number of <em>old and poor</em>."</p>
</div><div><br></div><div><br></div><div><a href="https://singularityhub.com/2020/03/01/for-the-first-time-ever-the-world-is-mostly-middle-class-and-largely-old/">https://singularityhub.com/2020/03/01/for-the-first-time-ever-the-world-is-mostly-middle-class-and-largely-old/</a></div></div>