Rob Cerjanec has cast 110 recorded division votes in the current parliament, voting yea on 34 (31%) and nay on 53 (48%). Cerjanec was absent for 23 votes (21% of all divisions). Cerjanec voted with the winning majority 19% 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 110 votes, 60 were on bills and 27 were procedural motions. Opposition members typically show lower majority-alignment rates, as they vote against government bills.