The one thing all the Younger Races have in common is that they are not native to Nyonia.  As opposed to the Elder Races who are native to Nyonia (see Creation Stories for more details).

Younger Races Creation Stories

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<a style="position:absolute; top:2.000003051757801px; left:-0.000012207031261368684px; width:147.39999999999998px; height:333.4px;" title="Koori Society" alt="Koori Society" href="http://nyonia.davidtannen.com/home/geography/12-empire-of-the-oran/1-koori-society" target="_self"></a>
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<a style="position:absolute; top:96.0000030517578px; left:536.9999877929688px; width:125.4px; height:239.39999999999998px;" title="Ainu" alt="Ainu" href="http://nyonia.davidtannen.com/home/geography/19-realm-of-steel-and-the-three-gems/2-ainu-society" target="_self"></a>
<a style="position:absolute; top:141.0000030517578px; left:680.9999877929688px; width:104.4px; height:194.39999999999998px;" title="Wangai" alt="Wangai" href="http://nyonia.davidtannen.com/home/geography/24-small-province/3-wangai-society" target="_self"></a>
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