I don&#x27;t think that graphic you&#x27;re thinking of shows &quot;world GDP&quot; so much as &quot;the centre of gravity of GDP across the planet&quot;: These are two quite different things. In any case, you might have in mind a map by McKinsey Global Institute in their &quot;Urban World&quot; 2012 report.<p>I&#x27;d disagree that that depiction was better designed than <a href="http:&#x2F;&#x2F;www.dannyquah.com&#x2F;Quilled&#x2F;Output&#x2F;2010.09.27-Danny.Quah-WECG-LSE-Research-Map.png" rel="nofollow">http:&#x2F;&#x2F;www.dannyquah.com&#x2F;Quilled&#x2F;Output&#x2F;2010.09.27-Danny.Qua...</a>  or the animation <a href="http:&#x2F;&#x2F;www.dannyquah.com&#x2F;Quilled&#x2F;Output&#x2F;2010.08-Danny.Quah-wm-cg-gdpp-extrap-animated.gif" rel="nofollow">http:&#x2F;&#x2F;www.dannyquah.com&#x2F;Quilled&#x2F;Output&#x2F;2010.08-Danny.Quah-w...</a> It depends on what you&#x27;re trying to understand. For what you describe, I personally don&#x27;t like so much the McKinsey graphic. This is discussed in Section 8.3 (in Chapter 8) of my draft manuscript <a href="http:&#x2F;&#x2F;bit.ly&#x2F;1KeSicU" rel="nofollow">http:&#x2F;&#x2F;bit.ly&#x2F;1KeSicU</a> on Ordering the World.