Effie J. Triantafilopoulos has cast 110 recorded division votes in the current parliament, voting yea on 70 (64%) and nay on 17 (15%). Triantafilopoulos was absent for 23 votes (21% of all divisions). Triantafilopoulos voted with the winning majority 74% of the time.

In the February 2025 election, Triantafilopoulos won Oakville North—Burlington with 49.7% of the vote, a lean margin of +8.8% over Kaniz Mouli (LIB, 40.9%). Turnout in the riding was 46.55%.

Of the 110 votes, 62 were on bills and 25 were procedural motions. As a member of the governing party, a high majority-alignment rate is typical.