Complex sentence: Growing financial and political clout of the affluent "Asian Indian" diaspora is noteworthy for income creation through knowledge-based employment which has outpaced every other ethnic group according to U.S. Census data.
Split into simpler sentences: Growing financial and political clout of the affluent "Asian Indian" diaspora is noteworthy. Income creation through knowledge-based employment by Asian Indians has outpaced every other ethnic group according to U.S. Census data.