2025 Novosibirsk Oblast legislative election

The 2025 Legislative Assembly of Novosibirsk Oblast election took place on 12–14 September 2025. All 76 seats in the Legislative Assembly were up for re-election.

United Russia increased its already overwhelming majority in the Legislative Assembly, winning 51.9% of the vote and 29 of 38 single-mandate constituencies. Communist Party of the Russian Federation lost almost a third of its vote share and four seats but retained the second largest faction with 10 deputies. Liberal Democratic Party of Russia also lost 4 pp. and two of its six deputies after its entire faction defected to United Russia. New People and A Just Russia – For Truth both made gains in the Legislative Assembly, increasing its factions by one and two deputies respectively.

Electoral system Under current election laws, the Legislative Assembly is elected for a term of five years, with parallel voting. 38 seats are elected by party-list proportional representation with a 5% electoral threshold, with the other half elected in 38 single-member constituencies by first-past-the-post voting. 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.

Candidates Party lists To register regional lists of candidates, parties need to collect 0.5% of signatures of all registered voters in Novosibirsk Oblast.

The following parties were relieved from the necessity to collect signatures: United Russia Communist Party of the Russian Federation Liberal Democratic Party of Russia A Just Russia — Patriots — For Truth New People Russian Party of Pensioners for Social Justice Rodina Russian Ecological Party "The Greens"

№PartyOblast-wide listCandidatesTerritorial groupsStatus1 A Just Russia – For TruthAlexander Aksyonenko • Ruslan Kolnik • Roman Sivak9725 Registered2 Liberal Democratic PartyLeonid Slutsky • Anna Tereshkova • Aleksandr Boyko7519 Registered3 New PeopleVladislav Davankov • Darya Karaseva • Ilya Polyakov15238 Registered4 The GreensYekaterina Pisetskaya3913 Registered5 Party of PensionersVladimir Vorozhtsov • Aleksandr Averkin • Sergey Kondratyev6918 Registered6 RodinaVyacheslav Ilyukhin • Konstantin Antonov • Leonid Rybin6516 Registered7 Communist PartyVladimir Karpov • Nikolay Mashkarin • Roman Yakovlev5914 Registered8 United RussiaAndrey Travnikov • Aleksandr Karelin • Andrey Shimkiv15538 Registered

For Truth and Party of Growth, which participated in the last election, have been dissolved since.

Single-mandate constituencies 38 single-mandate constituencies were formed in Novosibirsk Oblast. To register candidates in single-mandate constituencies need to collect 3% of signatures of registered voters in the constituency.

+Number of candidates in single-mandate constituenciesPartyCandidatesNominatedRegisteredUnited Russia3636Communist Party3634Liberal Democratic Party3735New People3333A Just Russia – For Truth3634Party of Pensioners2523Rodina22Independent91Total214198

Polls Fieldwork datePolling firm UR CPRF LDPR NL SR-ZP RPPSS Rodina Greens14 September 20252025 election51.911.29.37.97.86.61.10.91–4 September 2025Russian Field45.913.413.011.45.77.00.61.813 September 20202020 election38.116.613.66.96.15.73.22.6

Results Results by party lists

|- style="background-color:#E9E9E9;text-align:center;" ! rowspan=2 colspan=2| Party ! colspan=5| Party list ! colspan=2| Constituency ! colspan=2| Total |- ! width="75"| Votes ! % ! ±pp ! Seats ! +/– ! Seats ! +/– ! Seats ! +/– |- | style="background-color:;"| | style="text-align:left;"| United Russia | | 51.91 | 13.78 | 22 | 5 | 29 | 2 | 51 | 7 |- | style="background-color:;"| | style="text-align:left;"| Communist Party | | 11.21 | 5.42 | 4 | 4 | 6 | | 10 | 4 |- | style="background-color:;"| | style="text-align:left;"| Liberal Democratic Party | | 9.33 | 4.25 | 4 | 2 | 0 | | 4 | 2 |- | style="background-color:;"| | style="text-align:left;"| New People | | 7.91 | 0.99 | 3 | | 1 | 1 | 4 | 1 |- | style="background-color:;"| | style="text-align:left;"| A Just Russia — For Truth | | 7.78 | 1.66 | 3 | 1 | 1 | 1 | 4 | 2 |- | style="background-color:;"| | style="text-align:left;"| Party of Pensioners | | 6.63 | 0.94 | 2 | | 0 | | 2

| colspan="11" style="background-color:#E9E9E9;"| |- | style="background-color:;"| | style="text-align:left;"| Rodina | | 1.12 | 2.12 | 0 | | 1 | 1 | 1 | 1 |- | style="background-color:;"| | style="text-align:left;"| The Greens | | 0.89 | 1.75 | 0 | | – | – | 0

| style="background-color:;"| | style="text-align:left;"| Independent | – | – | – | – | – | 0 | 3 | 0 | 3 |- | style="text-align:left;" colspan="2"| Invalid ballots | | 3.22 | 0.48 | — | — | — | — | — | — |- style="font-weight:bold" | style="text-align:left;" colspan="2"| Total | | 100.00 | — | 38 | | 38 | | 76

| colspan="11" style="background-color:#E9E9E9;"| |- | style="text-align:left;" colspan="2"| Turnout | | 33.02 | 4.77 | — | — | — | — | — | — |- | style="text-align:left;" colspan="2"| Registered voters | | 100.00 | — | — | — | — | — | — | — |- | colspan="11" style="background-color:#E9E9E9;"| |- style="font-weight:bold" | colspan="10" |Source:

Andrey Shimkiv (United Russia) was re-elected as Chairman of the Legislative Assembly, while incumbent Senator Aleksandr Karelin (United Russia) was re-appointed to the Federation Council.

Results in single-member constituencies District 1 • District 2 • District 3 • District 4 • District 5 • District 6 • District 7 • District 8 • District 9 • District 10 • District 11 • District 12 • District 13 • District 14 • District 15 • District 16 • District 17 • District 18 • District 19 • District 20 • District 21 • District 22 • District 23 • District 24 • District 25 • District 26 • District 27 • District 28 • District 29 • District 30 • District 31 • District 32 • District 33 • District 34 • District 35 • District 36 • District 37 • District 38__NOTOC__

District 1

District 2

District 3

District 4

District 5

District 6

2025 Novosibirsk Oblast legislative election

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