Question: who is the second richest person in australia?
Answer: 1 spot with an estimated wealth of $15.57 billion, up from $12.90 billion. Iron ore miner Gina Rinehart is second (with wealth of $13.81 billion) followed by apartment mogul Harry Triguboff who has defied the property slowdown to lift his wealth from $12.77 billion to $13.54 billion.