The Rise of Pre-Poll Voting: Insights from the 2025 Australian Federal Election

Hritesh Ray (S4134744)

Introduction

The 2025 Australian Federal Election marked a significant rise in pre-poll voting across Australia.

This project explores how early voting patterns varied across states and divisions, and how they reshaped election outcomes.

Data Sources:

votes CSV: 2025-federal-election-votes-sa1-nat.csv

prepoll CSV: prepoll-voting-centres-2025-05-02.csv

divisions CSV: federal-electoral-divisions-march-2025.csv

The Rise of Pre-Poll Voting Across Australia by state

  • Pre-poll voting is growing rapidly, showing that voters are increasingly choosing convenience over traditional election-day voting.

  • Some states/divisions are seeing pre-poll votes exceeding election-day votes, which could signal shifts in campaign strategies.

  • The visualization immediately highlights which states are leading the pre-poll trend.

Pre-Poll Votes by Party

Major parties like Labor and Liberal received the highest share of pre-poll votes, reflecting stronger early voter engagement.

Total Votes by Division

Divisions with larger populations, such as metropolitan areas, recorded significantly higher total vote counts than regional divisions.

Party Performance Comparison

Major political parties dominated the vote share, highlighting strong voter alignment with established parties over independents.

Pre-Poll vs Election-Day Comparison

Pre-poll voting shows a significant share of total votes, indicating growing voter preference for early participation over election-day turnout.

Interactive Party Votes

The interactive chart allows users to explore vote totals dynamically, highlighting the top-performing parties and their relative strengths in the election.

Key Takeaways

  • Pre-poll voting is significant in several divisions, sometimes exceeding election-day votes.

  • Future campaigns may focus more on early-vote strategies.

  • Highlights the changing nature of voter behaviour.

References