Das Ergebnis der Bundestagswahl 2021 fällt in der Gemeinde Diera-Zehren wie folgt aus:
| Wahlberechtigte | 2710 | | | | | | |
| Wähler | 2191 | | | | | | |
| gültige Erststimmen | 2170 | | | gültige Zweitstimmen | 2176 | |
| Wahlbeteiligung | 80,8% | | | | | | |
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Listennr. | Erststimmen | | Zweitstimmen |
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1 | AfD | | 862 | 39,7% | | AfD | | 846 | 38,9% |
2 | CDU | | 437 | 20,1% | | CDU | | 372 | 17,1% |
3 | DIE LINKE | 131 | 6,0% | | DIE LINKE | | 131 | 6,0% |
4 | SPD | | 255 | 11,8% | | SPD | | 287 | 13,2% |
5 | FDP | | 206 | 9,5% | | FDP | | 243 | 11,2% |
6 | GRÜNE | | 63 | 2,9% | | GRÜNE | | 87 | 4,0% |
7 | | | | | | Tierschutzpartei | 39 | 1,8% |
8 | Die PARTEI | 38 | 1,8% | | Die PARTEI | | 13 | 0,6% |
9 | | | | | | NPD | | 6 | 0,3% |
10 | FREIE WÄHLER | 118 | 5,4% | | FREIE WÄHLER | 76 | 3,5% |
11 | | | | | | PIRATEN | | 13 | 0,6% |
12 | ÖPD | | 16 | 0,7% | | ÖPD | | 1 | 0,0% |
13 | | | | | | V-Partei | | 1 | 0,0% |
14 | | | | | | MLPD | | 0 | 0,0% |
15 | dieBasis | 43 | 2,0% | | dieBasis | | 37 | 1,7% |
16 | | | | | | Bündnis C | | 1 | 0,0% |
17 | | | | | | III. Weg | | 1 | 0,0% |
18 | | | | | | DKP | | 0 | 0,0% |
19 | | | | | | Die Humanisten | 0 | 0,0% |
20 | | | | | | Gesundheitsforschung | 16 | 0,7% |
21 | | | | | | Team Todenhöfer | 5 | 0,2% |
22 | | | | | | Volt | | 1 | 0,0% |
23 | LKR | | 1 | 0,0% | | | | | |
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