Diepholz – Nienburg I — Bundestag Constituency Results
Diepholz – Nienburg I was won by SPD at the 2021 Bundestag election, with 33.0% of the direct-mandate (Erststimme) vote, a margin of 7.7 points over CDU/CSU. This page covers every Bundestag election in Diepholz – Nienburg I from 1949 to 2021.
This page shows the winning party's share of the direct-mandate (Erststimme) vote, not the individual candidate's name -- the bulk source data used here reports results by party, not by candidate. See the sourcing note below.
Results by Election
| Election | Winning Party | Vote Share | Runner-up | Margin |
|---|---|---|---|---|
| 1949 | Deutsche Partei | 32.6% | SPD (27.2%) | 5.4 pts |
| 1953 | CDU/CSU | 29.5% | Deutsche Partei (22.8%) | 6.7 pts |
| 1957 | CDU/CSU | 33.1% | SPD (24.2%) | 8.9 pts |
| 1961 | CDU/CSU | 34.2% | SPD (31.1%) | 3.0 pts |
| 1965 | CDU/CSU | 45.6% | SPD (33.8%) | 11.8 pts |
| 1969 | CDU/CSU | 46.9% | SPD (36.3%) | 10.6 pts |
| 1972 | CDU/CSU | 45.7% | SPD (43.8%) | 1.9 pts |
| 1976 | CDU/CSU | 47.5% | SPD (42.0%) | 5.5 pts |
| 1980 | SPD | 43.6% | CDU/CSU (39.9%) | 3.7 pts |
| 1983 | CDU/CSU | 45.9% | SPD (38.4%) | 7.5 pts |
| 1987 | CDU/CSU | 40.1% | SPD (39.4%) | 0.7 pts |
| 1990 | CDU/CSU | 43.0% | SPD (36.4%) | 6.6 pts |
| 1994 | SPD | 40.1% | CDU/CSU (38.7%) | 1.5 pts |
| 1998 | SPD | 49.9% | CDU/CSU (31.9%) | 17.9 pts |
| 2002 | SPD | 47.8% | CDU/CSU (33.0%) | 14.8 pts |
| 2005 | SPD | 41.7% | CDU/CSU (33.4%) | 8.3 pts |
| 2009 | CDU/CSU | 33.9% | SPD (27.7%) | 6.1 pts |
| 2013 | CDU/CSU | 43.5% | SPD (31.5%) | 12.0 pts |
| 2017 | CDU/CSU | 37.9% | SPD (25.5%) | 12.4 pts |
| 2021 | SPD | 33.0% | CDU/CSU (25.3%) | 7.7 pts |
Winning Margin Over Time
Frequently Asked Questions
Which party won Diepholz – Nienburg I in the 2021 Bundestag election?
SPD won the direct mandate in Diepholz – Nienburg I in 2021 with 33.0% of the Erststimme vote, a margin of 7.7 points over CDU/CSU.
Which parties have won the direct mandate in Diepholz – Nienburg I since 1949?
Since 1949, the Diepholz – Nienburg I direct mandate has been won by: CDU/CSU, Deutsche Partei, SPD.
What was the closest result on record in Diepholz – Nienburg I?
The closest result on record for Diepholz – Nienburg I was 1987, when CDU/CSU beat SPD by just 0.7 percentage points.