arkibPRU
Compare and understand
Explore vote changes, close contests and party performance with guided analysis tools.
Reports
StatisticsKey trends across every election: registered voters, turnout, rejected votes, contest size, women candidates, winners' age, lost deposits and winning…
AnalysisIn-depth analysis for war rooms and political researchers.
StatesResults for every state: Parliament & state assembly seat make-up over time, turnout, marginal seats and by-elections.
PartiesThe record of every party and coalition: seats contested and won, win rate, popular vote, strength by state and main rivals.
Voting patterns
Votes vs SeatsHow closely each coalition's seats match its popular vote — the Gallagher disproportionality index, the winner's bonus and the effective number of…
SwingComparison of each area's last two full elections — vote swing, seats changing hands and vote-split effects.
StrongholdsTraditional-seat analysis — every party's win record in each area, for seat-allocation negotiations.
Strength MapEach party's or coalition's strength by state — win count or win rate.
Seats & candidates
Near MissesRunners-up who lost narrowly in each area's latest full election — potential candidates for renomination.
Head-to-HeadDirect-contest record between two sides in the same seat (including by-elections).
DemographicsEthnic, gender and age make-up of candidates and winners across elections — including each group's success rate.
RecordsRecords and extremes across all elections.
Models
Methodology note
Analyses over time use full elections only (GE for Parliament, state elections for state seats); by-elections are excluded for fair comparison. Turnout is weighted by the electorate of contested seats. Seats won unopposed count as seats but have no votes.