2025 Senate Notes Part One

This is the latest in a string of articles that I write after each Senate election tracking certain themes in the Senate races.  Previous volumes in the series were called Senate Reform Performance Review, referring to the 2016 Senate changes that got rid of Group Ticket Voting.  I think now we've reached the point after four elections where it's very clear that the new system works very well indeed and needs no longer to be considered on probation, hence the shorter title.  For previous instalments see 2016 part one, 2016 part two, 2019 (single article) and 2022 (single article).  On the agenda for this issue are:  proportionality, winning vote shares (with a focus on the One Nation wins from behind), preferencing impacts, and the curse of Inclusive Gregory.  Part two covers Senate 2PP, How to Vote cards, just-voting-1, exhaust, informals, below the lines,  and the fun bit about people who we wonder why they bother.   And yes that includes the ACT Liberals! 

I've decided again to split the article into two because the volume of material this time is a bit much for one go.  At least for my own feeling that I'm spending a lot of time on a single article that I haven't released anything from yet.  

In this article I treat Labor, Greens and Pocock as comprising the left of the Senate (in relative terms, this should not be taken as me declaring Labor to be an outright left-wing party) and Coalition, One Nation and UAP as the right (with Jacqui Lambie treated as neither though these days there is a case for treating her as left if anything).  

Senate Reform Performance Review And Senate Notes 2022

The results of this year's half-Senate election are all in so it's time to observe how our still relatively new Senate system performed at its second half-Senate test.  For previous assessments see 2016 part one, 2016 part two and 2019 (single article).  I have changed the title mainly so I am at liberty to add pointless fluff about candidates who finished last.  On the agenda for this issue are: proportionality, blocked Senates, how dreadful this election would have been under Group Ticket Voting, winning vote shares (with a focus on Babet and Pocock), preferencing impacts, just-voting-1, exhaust, informals, below the lines, How to Vote cards, blank above the line boxes, and a special schadenfreude section at the bottom.

Senate voting was reformed in 2016 to remove the problems caused by preference harvesting under the old Group Ticket Voting system, under which Senators were being elected off very low vote shares as a result of networked preference deals and a system that coerced voters into sending their preferences to parties they did not support.  This was not only discriminatory and wrong, but also a threat to the integrity of the electoral system because of the ease with which minor issues could cause a count to collapse.  A great many alarmist predictions were made by defenders of the (no longer defensible) GTV system, and most of those have been debunked already.  However in 2022 there are two new opportunities to test predictions about the new system.  Firstly it is the first time we have had a Senate composed entirely of half-Senate election results.  Secondly, it is the first time Labor has come to power in the House of Representatives under the new system.