The 2002 Cunningham by-election was held in the Australian electorate of Cunningham in New South Wales on 19 October 2002. The by-election was triggered by the resignation of the sitting member, the Australian Labor Party's Stephen Martin on 16 August 2002. The writ for the by-election was issued on 16 September 2002.
The by-election was notable as it was won by Michael Organ, the candidate for the Australian Greens, making Cunningham the first seat in the Australian House of Representatives to be won by a minor party since Jack Lang won Reid for his Lang Labor party in 1946, and the first seat in the House won by the Greens.
Cunningham had been held by Labor since its creation 52 years previously, but a recent local government election for Lord Mayor of Wollongong had seen the Labor candidate lose to an independent, Alex Darling, causing concern in the ALP about their ability to hold the seat given the expectation of a significant protest vote against them. The ALP candidate preselected to replace Martin was Sharon Bird.
Although Labor received the highest primary vote, the Australian Greens candidate, Michael Organ, won the by-election on a two-party preferred basis after preferences were distributed. Internal Labor factors which were attributed to the surprise loss of the seat included Martin's premature departure, a messy preselection process for Bird, discontent from the NSW branch of the ALP towards federal leader Simon Crean, and dissatisfaction from Labor's traditional industrial support base. Other factors which contributed to the Greens win included the Liberal Party's decision not to field a candidate, and many of the minor candidates directing their preferences to the Greens (including a trade union-backed independent).
Bird and Organ both contested Cunningham in the 2004 federal election, with Bird winning the seat in the rematch.
- Cunningham (NSW) By-Election (19 October 2002) Results, Australian Electoral CommissionTemplate:Aus by-elections 40th parl
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