Year | Leading party | Seated parties | Loosemore–Hanby index | Overhang seats | ||||
party | votes | seats | number | share of votes | total | for one party | ||
1953 | CDU/CSU | 45.2% | 48.9% | 5 | 92.7% | 7.2% | 3 | 2 (CDU/CSU) |
1957 | CDU/CSU | 50.2% | 53.4% | 4 | 93.0% | 7.0% | 3 | 3 (CDU/CSU) |
1961 | CDU/CSU | 45.4% | 48.2% | 3 | 94.3% | 5.7% | 5 | 5 (CDU/CSU) |
1965 | CDU/CSU | 47.6% | 48.5% | 3 | 96.4% | 3.6% | 0 | |
1969 | CDU/CSU | 46.1% | 48.3% | 3 | 94.5% | 5.5% | 0 | |
1972 | SPD | 45.8% | 46.7% | 3 | 99.1% | 1.0% | 0 | |
1976 | CDU/CSU | 48.6% | 49.0% | 3 | 99.1% | 0.9% | 0 | |
1980 | CDU/CSU | 44.5% | 45.7% | 3 | 98.0% | 2.0% | 1 | 1 (SPD) |
1983 | CDU/CSU | 48.8% | 49.0% | 4 | 99.5% | 0.8% | 2 | 2 (SPD) |
1987 | CDU/CSU | 44.3% | 45.1% | 4 | 98.6% | 1.4% | 1 | 1 (CDU/CSU) |
1990 | CDU/CSU | 43.8% | 48.2% | 5 | 92.0% | 8.1% | 6 | 6 (CDU/CSU) |
1994 | CDU/CSU | 41.5% | 43.8% | 5 | 96.4% | 3.6% | 16 | 12 (CDU/CSU) |
1998 | SPD | 40.9% | 44.5% | 5 | 94.1% | 5.9% | 13 | 13 (SPD) |
2002 | SPD | 38.5% | 41.6% | 4 | 93.0% | 6.7% | 5 | 4 (SPD) |
2005 | CDU/CSU | 35.2% | 36.8% | 5 | 96.1% | 3.9% | 16 | 9 (SPD) |
2009 | CDU/CSU | 33.8% | 38.4% | 5 | 94.0% | 6.0% | 24 | 24 (CDU/CSU) |
2013 | CDU/CSU | 41.5% | 49.4% | 4 | 84.3% | 15.7% | 4+28 | 16 (CDU/CSU) |
2017 | CDU/CSU | 32.9% | 34.7% | 6 | 95.0% | 5.0% | 46+65 | 43 (CDU/CSU) |
2021 | SPD | 25.7% | 28.0% | 6 | 91.3% | 8.6% | 138 | 41 (CDU/CSU) |