10th Place: Genghis KhanLived: over 1162-1227 yearsCountry: Mongolian EmpireAssests: Still unknown

9th Place: Bill GatesLived: 1955- presentCountry: USAAssests: $78.9 billion

8th Place: Alan RufusLived: over 1040-1093Country: EnglandAssests: $194 billion

7th Place: John D.RockefellerLived: 1839-1937Country: USAAssests: $341 billion

6th Place: Andrew CarnegieLived: 1835-1919Country: USAAssests: $372 billion

5th Place: Joseph StalinLived: 1878-1953Country: USSRAssests: 9.6% of global GDP

4th Place: Akbar ILived: 1542-1605Country: IndiaAssests: 25% of global GDP

3th Place: Emperor ShenzongLived: 1048-1085Country: ChinaAssests: 30% of global GDP

2nd Place: Augustus CaesarLived: 63BC-14ADCountry: RomeAssests: $4.6 trillion

1st Place: Mansa MusaLived: 1280-1337Country: MaliAssests: Richer than anyone could describe

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Source: http://time.com/