Japan 2009 general election
Final results from ParlGov, read : Democratic Party of Japan won 308 of 480 seats with 42.4% of the vote; 69.3% of registered voters cast a ballot, up 1.8 points on 2005.
- Japan
- Held
Result
Seats and votes by party
| Party | Seats | ± seats | % | ± points | Votes |
|---|---|---|---|---|---|
| Democratic Party of Japan | 308 | +195 | 42.4 | +11.4 | 29,844,799 |
| Liberal Democratic Party | 119 | −177 | 26.7 | −11.4 | 18,810,217 |
| Komeito | 21 | −10 | 11.4 | −1.8 | 8,054,007 |
| Japanese Communist Party | 9 | 0 | 7.0 | −0.2 | 4,943,886 |
| Japan Socialist Party | 7 | 0 | 4.3 | −1.2 | 3,006,160 |
| Your Party | 5 | 4.3 | 3,005,199 | ||
| People's New Party | 3 | −1 | 1.7 | 0.0 | 1,219,767 |
| New Party Nippon | 1 | 0 | 0.8 | −1.7 | 528,171 |
| New Party Daichi | 1 | 0 | 0.6 | 0.0 | 433,122 |
| Independents | 6 | −12 |
± is the change against the Japan 2005 general election, party by party.
Votes by party
- Democratic Party of Japan 29,844,799
- Liberal Democratic Party 18,810,217
- Komeito 8,054,007
- Japanese Communist Party 4,943,886
- Japan Socialist Party 3,006,160
- Your Party 3,005,199
- People's New Party 1,219,767
- New Party Nippon 528,171
- New Party Daichi 433,122
- Independents
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 we read it.
Share of the vote
Turnout
69.3% of the 103,949,442 registered voters cast a ballot (71,999,121 ballots), up 1.8 points on 2005. 70,370,255 of them were valid votes. The highest turnout since 1990 in our data. How turnout is counted.
Votes and seats
- Democratic Party of Japan42.4% of votes64.2% of seats
- Liberal Democratic Party26.7% of votes24.8% of seats
- Komeito11.4% of votes4.4% of seats
- Japanese Communist Party7.0% of votes1.9% of seats
- Japan Socialist Party4.3% of votes1.5% of seats
- Your Party4.3% of votes1.0% of seats
- People's New Party1.7% of votes0.6% of seats
- New Party Nippon0.8% of votes0.2% of seats
- New Party Daichi0.6% of votes0.2% of seats
The Gallagher index of disproportionality is 17.0 (0 when seats follow votes exactly); the effective number of parties is 3.7 by votes and 2.1 by seats; Democratic Party of Japan led Liberal Democratic Party by 15.7 points of the vote. How these are computed.
Sources and licence
Sources and licence
- ParlGov 2024 Release (Döring and Manow), Harvard Dataverse (source). Licence: CC0 1.0 Universal
- Wikidata, party colours (P465) (source). Licence: CC0 1.0 Universal
Our text and compilation: CC BY 4.0. How to reuse and cite this page.