Rob Cerjanec has cast 76 recorded division votes in the current parliament, voting yea on 22 (29%) and nay on 36 (47%). Cerjanec was absent for 18 votes (24% of all divisions). Cerjanec voted with the winning majority 17% of the time.

In the February 2025 election, Cerjanec won Ajax with 44.96% of the vote, a swing margin of +0.8% over Patrice Barnes (PC, 44.16%). Turnout in the riding was 41.56%.

Of the 76 votes, 38 were on bills and 20 were procedural motions. Opposition members typically show lower majority-alignment rates, as they vote against government bills.