Until 2023 the number of mandates allocated in proportional and majoritarian parts were standing at 25 each.

Seats in the proportional part are allocated using the Imperiali quota, modified to ensure that every party list, which passes the threshold, receives at least one mandate.

The following parties were relieved from the necessity to collect signatures:[2] New People and Russian Party of Pensioners for Social Justice will take part in Yaroslavl Oblast legislative election for the first time.

34 single-mandate constituencies were formed in Yaroslavl Oblast, an increase of 9 seats since last redistricting in 2018.

Mikhail Borovitsky (United Russia) was re-elected as Chairman of the Oblast Duma,[4] while incumbent Senator Natalia Kosikhina (United Russia) was re-appointed to the Federation Council.