Probably quite predictably, President Trump's tax proposal is expected to increase the inequality in USA even more.
See the full article in The Guardian:
"Trump's tax proposal would push US below Greece on inequality index"
The Guardian 17.7.2017
Link:
https://www.theguardian.com/inequality/2017/jul/17/trump-united-states-tax-reform-plan-greece-commitment-to-reducing-inequality-cri-index