Current parliamentary groups (factions) as listed by the Riigikogu, largest first. “Chair” is the chair of the parliamentary group as shown by the Riigikogu; it is not necessarily the party leader. Members can change groups, so counts reflect the Riigikogu website on Oct 31, 2026.
| Parliamentary group | Seats | Group chair |
|---|---|---|
| Estonian Reform Party Parliamentary Group | 36 | Õnne Pillak |
| Estonia 200 Parliamentary Group | 12 | Toomas Uibo |
| Estonian Conservative People’s Party Parliamentary Group | 9 | Martin Helme |
| Social Democratic Party Parliamentary Group | 9 | Lauri Läänemets |
| Isamaa Parliamentary Group | 8 | Helir-Valdor Seeder |
| Estonian Centre Party Parliamentary Group | 7 | Lauri Laats |
| Non-affiliated members | 20 | — |
| Total | 101 |
Being in the current Riigikogu does not determine who is on the 2027 ballot; see Candidates.
Sources: Riigikogu — parliamentary groups · all sources
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