Briefing paper

2019 New South Wales election: analysis of results

This paper provides basic details and analysis of the results of the 2019 New South Wales election. It includes summaries of the results in all lower house electoral districts, comparisons with the 2015 election, and statistical analysis of results and swings across districts and regions.

House of Representatives by-elections: 1901–2018

This paper provides details of House of Representatives by-elections, from that held for Darling Downs on 14 September 1901 to the most recent held on 20 October 2018 for Wentworth.

Not-so-great expectations

Deft management and misleading polls helped turn Super Saturday into a public relations coup for Labor.
Fact sheet

Fact Check: Has a government not won a seat from an opposition at a by-election in 100 years?

In the run up to a series of federal by-elections, Special Minister of State Mathias Cormann claimed no government, of either political persuasion, had won a seat off an opposition at a by-election in the past 100 years.

Careful what he wishes for

Tony Abbott is an unwelcome presence — for the government at least — amid the tangle of by-elections on 28 July, writes Peter Brent.

House of Representatives by-elections: 1901–2017

This research paper updates an earlier Parliamentary Library publication and details the 151 by-elections for the House of Representatives held to date, including some of the factors involved in their being held. It also discusses relevant factors such as the timing of by-elections, the number...

In Batman, the known unknowns provide plenty of uncertainty

The battle for the inner-Melbourne seat is no ordinary by-election for Labor, suggests Peter Brent.

The 2017 Northcote by-election

Northcote has been held by the Australian Labor Party (ALP) since its inception in 1927. The seat is now being hotly contested by the ALP and the Victorian Greens, among a field of twelve candidates.

House of Representatives by-elections 1901–2008

This paper details House of Representatives by-elections held from 14 September 1901 (Darling Downs) to 6 September 2008 (Lyne and Mayo), a period during which there were 144 by-elections, an average of 3.5 per parliament.

How to misinterpret by-election results

Massive swings against Labor? Well, not really, writes Brian Costar.

House of Representatives by-elections 1901-2005

In this revised research brief, Gerard Newman discusses the 141 by-elections for the House of Representatives since Federation, including the most recent for the New South Wales division of Werriwa. Appendices give a full set of by-election figures.