第45回衆議院議員総選挙
選挙結果 > 都道府県別小選挙区獲得議席

| 都道府県 | 区数 | 自民 | 公明 | 与党計 | 民主 | 社民 | 国民 | 共産 | みんな | 日本 | 改革 | 諸他 | 野党計 | 与党計 - 野党計 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 01北海道 | 12 | 1 | 0 | 1 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | -10 |
| 02青森県 | 4 | 3 | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 03岩手県 | 4 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | -4 |
| 04宮城県 | 6 | 1 | 0 | 1 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | -4 |
| 05秋田県 | 3 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | -3 |
| 06山形県 | 3 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | -1 |
| 07福島県 | 5 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | -5 |
| 08茨城県 | 7 | 1 | 0 | 1 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | -5 |
| 09栃木県 | 5 | 1 | 0 | 1 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 4 | -3 |
| 10群馬県 | 5 | 2 | 0 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | -1 |
| 11埼玉県 | 15 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 15 | -15 |
| 12千葉県 | 13 | 2 | 0 | 2 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | -9 |
| 13神奈川県 | 18 | 3 | 0 | 3 | 14 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 15 | -12 |
| 14山梨県 | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | -3 |
| 15東京都 | 25 | 4 | 0 | 4 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | -17 |
| 16新潟県 | 6 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | -6 |
| 17富山県 | 3 | 2 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| 18石川県 | 3 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | -1 |
| 19福井県 | 3 | 3 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| 20長野県 | 5 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | -5 |
| 21岐阜県 | 5 | 2 | 0 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | -1 |
| 22静岡県 | 8 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 8 | -8 |
| 23愛知県 | 15 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | -15 |
| 24三重県 | 5 | 1 | 0 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | -3 |
| 25滋賀県 | 4 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | -4 |
| 26京都府 | 6 | 1 | 0 | 1 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | -4 |
| 27大阪府 | 19 | 1 | 0 | 1 | 17 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | -17 |
| 28兵庫県 | 12 | 1 | 0 | 1 | 10 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 11 | -10 |
| 29奈良県 | 4 | 1 | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | -2 |
| 30和歌山県 | 3 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | -1 |
| 31鳥取県 | 2 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| 32島根県 | 2 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| 33岡山県 | 5 | 2 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | -1 |
| 34広島県 | 7 | 1 | 0 | 1 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 6 | -5 |
| 35山口県 | 4 | 3 | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 36徳島県 | 3 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | -1 |
| 37香川県 | 3 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | -1 |
| 38愛媛県 | 4 | 3 | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 39高知県 | 3 | 3 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| 40福岡県 | 11 | 4 | 0 | 4 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | -3 |
| 41佐賀県 | 3 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | -1 |
| 42長崎県 | 4 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | -4 |
| 43熊本県 | 5 | 3 | 0 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 |
| 44大分県 | 3 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | -3 |
| 45宮崎県 | 3 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
| 46鹿児島県 | 5 | 3 | 0 | 3 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 1 |
| 47沖縄県 | 4 | 0 | 0 | 0 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | -4 |
| 合計 | 300 | 64 | 0 | 64 | 221 | 3 | 3 | 0 | 2 | 1 | 0 | 6 | 236 | -172 |