Initial rollout of decimal currency There was no one-hundred-dollar note released as part of the initial rollout of
decimal currency in 1966, but inflation necessitated its introduction eighteen years later in 1984.
1996–2020 The polymer issue was released on Wednesday 15 May 1996, designed by Bruce Stewart, and features portraits of soprano Dame
Nellie Melba and engineer and
First World War general Sir
John Monash, along with images from the First World War and
John Simpson Kirkpatrick and his donkey.
2020–present On 27 September 2012, the Reserve Bank of Australia announced that Australia's banknotes would be upgraded in the coming years as of the Reserve Bank's Next Generation Banknote Program. On 24 February 2020, the Reserve Bank of Australia unveiled the design of the new $100 banknote, after earlier releasing updated versions of all other banknotes denominations in previous years. The note features updated security features, and was released into circulation on Thursday 29 October 2020. The new banknote, as with the previously released denominations in the Next Generation Banknote Program, includes representations of Australian flora and fauna. The featured flora and fauna are the
Australian Masked Owl and the
Golden Wattle. The golden wattle is Australia's national floral emblem. A new tactile feature has been included to help people who are blind or have low vision to distinguish between denominations. ==Security features==