 The estimate of his assets was set at $979 million USD, a 20% growth, and his ranking increased from 9th to 6th wealthiest person in Ukraine.The article noted that Poroshenko remained one of the only two European leaders who owned a business empire of such scale, with Silvio Berlusconi of Italy being the other.A total of €450 million is kept in an Amsterdam-based company registered in Cyprus, as a result of which his effective tax rate is 5% rather than the statutory tax rate of 18% in Ukraine.