Germany 2009 federal election
What was the result of the 2009 federal election in Germany?
CDU/CSU won 239 of 622 seats with 33.8% of the vote. 70.8% of registered voters cast a ballot.
Germany- Held:
- Final result
- ParlGov, read 5 October 2026
Which party won the most seats?
Final results from ParlGov, read : CDU/CSU won 239 of 622 seats with 33.8% of the vote; 70.8% of registered voters cast a ballot, down 6.9 points on 2005.
- Christian Democratic Union of Germany 194 +14 seats 27.3% −0.5 points
- Social Democratic Party of Germany 146 −76 seats 23.0% −11.2 points
- Free Democratic Party 93 +32 seats 14.6% +4.8 points
- PDS / The Left 76 +22 seats 11.9% +3.2 points
- Alliance 90/The Greens 68 +17 seats 10.7% +2.6 points
- Christian Social Union in Bavaria 45 −1 seat 6.5% −0.9 points
- Pirate Party Germany 0 2.0%
- National Democratic Party 0 0 seats 1.5% −0.1 points
- Seats won
- Change on the previous election at the right
- Share of the vote
- Share at the previous election
- Change in points at the right
Changes are against the Germany 2005 federal election, party by party.
- Christian Democratic Union of Germany194
- Christian Social Union in Bavaria45
- Social Democratic Party of Germany146
- Free Democratic Party93
- PDS / The Left76
- Alliance 90/The Greens68
Key numbers
33.8%
Combined share of the vote of CDU/CSU
CDU/CSU won 239 of 622 seats. A majority needs 312.
+32 seats
Seats gained by Free Democratic Party
The largest gain in seats compared with 2005. Social Democratic Party of Germany lost 76 seats.
70.8%
Voter turnout
Down 6.9 points on 2005.
Seats and votes by party
| Party | Seats | ± seats | % | ± points | Votes |
|---|---|---|---|---|---|
| Christian Democratic Union of Germany | 194 | +14 | 27.3 | −0.5 | 11,828,277 |
| Social Democratic Party of Germany | 146 | −76 | 23.0 | −11.2 | 9,990,488 |
| Free Democratic Party | 93 | +32 | 14.6 | +4.8 | 6,316,080 |
| PDS / The Left | 76 | +22 | 11.9 | +3.2 | 5,155,933 |
| Alliance 90/The Greens | 68 | +17 | 10.7 | +2.6 | 4,643,272 |
| Christian Social Union in Bavaria | 45 | −1 | 6.5 | −0.9 | 2,830,238 |
| Pirate Party Germany | 0 | 2.0 | 847,870 | ||
| National Democratic Party | 0 | 0 | 1.5 | −0.1 | 635,525 |
± is the change against the Germany 2005 federal election, party by party.
Votes by party
- Christian Democratic Union of Germany 11,828,277
- Social Democratic Party of Germany 9,990,488
- Free Democratic Party 6,316,080
- PDS / The Left 5,155,933
- Alliance 90/The Greens 4,643,272
- Christian Social Union in Bavaria 2,830,238
- Pirate Party Germany 847,870
- National Democratic Party 635,525
ParlGov lists parties with at least 1 percent of the vote or 2 seats, so the rows do not add up to the valid votes.
How many people voted?
70.8% of the 62,168,489 registered voters cast a ballot (44,005,575 ballots), down 6.9 points on 2005. 43,371,190 of them were valid votes. The lowest turnout of this kind in our data, which begins in 1949.
How do the votes compare with the seats?
- CDU/CSU33.8% of votes38.4% of seats
- Social Democratic Party of Germany23.0% of votes23.5% of seats
- Free Democratic Party14.6% of votes15.0% of seats
- PDS / The Left11.9% of votes12.2% of seats
- Alliance 90/The Greens10.7% of votes10.9% of seats
- Pirate Party Germany2.0% of votes0.0% of seats
The Gallagher index of disproportionality is 3.8 (0 when seats follow votes exactly); the effective number of parties is 4.7 by votes and 4.0 by seats; CDU/CSU led Social Democratic Party of Germany by 10.8 points of the vote.
Time and source Data as of