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All 46 seats in the South Australian House of Assembly 24 seats were needed for a majority | ||||||||||||||||||||||||||||||||||
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State elections were held in South Australia on 9 and 16 April 1921. All 46 seats in the South Australian House of Assembly were up for election. The incumbent Liberal Union government led by Premier of South Australia Henry Barwell defeated the opposition Australian Labor Party led by Leader of the Opposition John Gunn. Each district elected multiple members, with voters casting multiple votes.
The coalition between the National Labor Party and the Liberal Union had collapsed in 1920, and the National Labor Party contested the election as the Progressive Country Party.
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South Australian state election, 9 April 1921[1] | ||||||
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| Enrolled voters | 289,843 | |||||
| Votes cast | 161,165 | Turnout | 62.71% | -1.06% | ||
| Informal votes | 1,774 | Informal | N/A | |||
| Summary of votes by party | ||||||
| Party | Primary votes | % | Swing | Seats | Change | |
| Labor | 179,308 | 44.62% | -0.07% | 16 | - 1 | |
| Liberal Union | 140,229 | 34.90% | +6.96% | 25 | + 3 | |
| Progressive Country | 51,603 | 12.84% | -5.82% | 1 | - 5 | |
| Farmers and Settlers | 16,417 | 4.09% | -0.18% | 4 | + 3 | |
| Independent | 14,288 | 3.56% | -0.28% | 0 | ± 0 | |
| Total | 401,845 | 46 | ||||
- ^ "Summary of 1921Election". University of Western Australia. Retrieved 7 October 2019.