Advertisement Federal political parties have received $1.1 billion from hidden donors in a trend towards greater secrecy over two decades, says a new report that warns of dangerous failures in the system meant to expose vested interests. A handful of dominant players have increased their sway over federal politics by making one-quarter of all donations over the period, led by mining magnate Clive Palmer as well as Liberal and union funds. Big time political party donor, Clive Palmer. Credit: In a damning assessment of the disclosure regime, the not-for-profit Centre for Public Integrity says voters are being denied crucial facts about who has paid for influence with about $3 billion in party income over two decades.