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However, the collective wealth of the 200 people included in the list — ranked based on their net worth — has increased.
Who is in the top 10?
Rinehart, executive chairperson of private mining company Hancock Prospecting, has topped the list for six consecutive years.

Gina Rinehart’s wealth has fallen by $2 billion. Source: SBS News
Also among the top 10 is real estate developer and Meriton founder Harry Triguboff, whose estimated net worth of $29.7 billion put him in second place.
Clive Palmer holds the fifth spot with a fortune of $20.1 billion. Following him are Melanie Perkins and Cliff Obrecht, the co-creators of the design software Canva, with a wealth of $14.1 billion.

Clive Palmer is ranked in fifth place with a net worth of $20.1 billion. Source: AAP / Bianca De Marchi
Former Glencore chief Ivan Glasenberg, with $13.3 billion, philanthropist Nicola Forrest at $12.8 billion, and Kerry Stokes, chair of Seven Group Holdings, with $12.7 billion, also feature in the top 10.