Selection of GDP PPP data (top 10 countries and blocks) based on en:List_of_countries_by_GDP_(PPP) (IMF estimates for 2017) and respective trade blocks, no particular order
<a href="//commons.wikimedia.org/wiki/User:Aeroid" title="User:Aeroid">Aeroid</a>
<span class="int-own-work" lang="en">Own work</span>