Argentina Legislative election 2023 — Results
Election day: October 22, 2023
- Union for the Homeland (UP): 37.88%, 58 seats
- La Libertad Avanza: 27.88%, 35 seats
- Juntos por el Cambio: 26.12%, 31 seats
- Hacemos por Nuestro País: 3.86%, 3 seats
- Provincial parties & others: 4.26%, 3 seats
Turnout: 77.14%
About this election
The electoral system
130 of the 257 Chamber seats were renewed by D'Hondt proportional representation across the 24 provincial-level constituencies, with a 3% threshold, for four-year terms. Held on the same day as the presidential first round, the legislative vote tracked the three-way presidential contest, and turnout was 77.14%.
Compiled and reviewed from official results by ElectioMap. See our data methodology.
In numbers
- 10.00 points separated Union for the Homeland (UP) from La Libertad Avanza — 2,455,442 votes.
- Union for the Homeland (UP) converted 37.88% of the vote into 58 of 130 seats (44.62%), 6.74 points more than its vote share.
- The top two shared 65.76% of the vote between them, and 3 lists cleared 5%.
- Turnout was 77.14%, up 5.75 points on 2021.
Calculated from the official figures on this page and from the other elections of this type in our archive.
Understanding this election
- Why Official Results Sometimes Take Weeks — the stages between the count and the legal result
- Why Turnout Figures Disagree — why two sources publish different turnout for one election
- D’Hondt vs Sainte-Laguë — how a divisor formula turns vote shares into seats