# Hamm – Unna II

Hamm – Unna II is an electoral constituency (German: Wahlkreis) represented in the Bundestag. It elects one member via first-past-the-post voting. Under the current constituency numbering system, it is designated as constituency 144. It is located in the Ruhr region of North Rhine-Westphalia, comprising the city of Hamm and the northern part of the district of Unna.
Hamm – Unna II was created for the 1980 federal election. Since 2013, it has been represented by Michael Thews of the Social Democratic Party (SPD).

## Geography

Hamm – Unna II is located in the Ruhr region of North Rhine-Westphalia. As of the 2021 federal election, it comprises the independent city of Hamm as well as the municipalities of Lünen, Selm, and Werne from the Unna district.

## History

Hamm – Unna II was created in 1980. In the 1980 through 1998 elections, it was constituency 117 in the numbering system. From 2002 through 2009, it was number 146. In the 2013 through 2021 elections, it was number 145. From the 2025 election, it has been number 144. Its borders have not changed since its creation.

## Members

The constituency has been held continuously by the Social Democratic Party (SPD) since its creation. It was first represented by Udo Fiebig from 1980 to 1987. Dieter Wiefelspütz was then representative from 1987 to 2013. Michael Thews was elected in 2013, and re-elected in 2017, 2021 and 2025.
| Election | Member | Party | % |
| 1980 | Udo Fiebig | SPD | 54.0 |
| 1983 | Udo Fiebig | SPD | 48.2 |
| 1987 | Dieter Wiefelspütz | SPD | 49.0 |
| 1990 | Dieter Wiefelspütz | SPD | 48.0 |
| 1994 | Dieter Wiefelspütz | SPD | 49.9 |
| 1998 | Dieter Wiefelspütz | SPD | 55.4 |
| 2002 | Dieter Wiefelspütz | SPD | 54.3 |
| 2005 | Dieter Wiefelspütz | SPD | 55.0 |
| 2009 | Dieter Wiefelspütz | SPD | 43.9 |
| 2013 | Michael Thews | SPD | 43.2 |
| 2017 | Michael Thews | SPD | 36.4 |
| 2021 | Michael Thews | SPD | 40.6 |
| 2025 | Michael Thews | SPD | 32.2 |

## Election results
### 2025 election

Federal election (2025): Hamm – Unna II :
| Notes: | Notes: | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. |
| Party | Party | Candidate | Candidate | Votes | % | ±% | Party votes | % | ±% |
| | SPD | Y Michael Thews | Y Michael Thews | 58,098 | 32.2 | 8.3 | 41,847 | 23.1 | 12.2 |
| | CDU | Arnd Hilwig | Arnd Hilwig | 54,188 | 30.1 | 3.6 | 51,262 | 28.4 | 4.2 |
| | AfD | Georg Schroeter | Georg Schroeter | 38,695 | 21.5 | 12.2 | 38,096 | 21.1 | 11.8 |
| | Left | Sefika Minte | Sefika Minte | 12,866 | 7.1 | 3.4 | 13,545 | 7.5 | 4.1 |
| | Greens | Nelli Soumaoro | Nelli Soumaoro | 11,585 | 6.4 | 3.7 | 14,776 | 8.2 | 3.3 |
| | BSW | | | | | | 8,203 | 4.5 | |
| | FDP | Lucas Slunjski | Lucas Slunjski | 4,810 | 2.7 | 4.5 | 6,099 | 3.4 | 6.6 |
| | Tierschutzpartei | | | | | | 2,768 | 1.5 | 0.1 |
| | PARTEI | | | | | | 945 | 0.5 | 0.4 |
| | Volt | | | | | | 866 | 0.5 | 0.3 |
| | FW | | | | | 1.6 | 741 | 0.4 | 0.3 |
| | Team Todenhöfer | | | | | | 512 | 0.3 | 0.6 |
| | dieBasis | | | | | 0.9 | 325 | 0.2 | 0.5 |
| | PdF | | | | | | 298 | 0.2 | 0.1 |
| | BD | | | | | | 278 | 0.2 | |
| | MERA25 | | | | | | 97 | 0.1 | |
| | Values | | | | | | 81 | 0.0 | |
| | MLPD | | | | | | 45 | 0.0 | 0.0 |
| | Pirates | | | | | | | | 0.4 |
| | Gesundheitsforschung | | | | | | | | 0.2 |
| | Humanists | | | | | | | | 0. |
| | Bündnis C | | | | | | | | 0.1 |
| | ÖDP | | | | | | | | 0.1 |
| | SGP | | | | | | | | 0.0 |
| Informal votes | Informal votes | Informal votes | Informal votes | 1,718 | | | 1,716 | | |
| Total valid votes | Total valid votes | Total valid votes | Total valid votes | 180,242 | | | 180,784 | | |
| Turnout | Turnout | Turnout | Turnout | 181,960 | 79.9 | 6.9 | | | |
| | SPD hold | SPD hold | Majority | 3,910 | 2.1 | 4.7 | | | |

### 2021 election

Federal election (2021): Hamm – Unna II :
| Notes: | Notes: | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. |
| Party | Party | Candidate | Candidate | Votes | % | ±% | Party votes | % | ±% |
| | SPD | Y Michael Thews | Y Michael Thews | 67,774 | 40.6 | 4.2 | 59,227 | 35.4 | 3.9 |
| | CDU | Arnd Hilwig | Arnd Hilwig | 44,266 | 26.5 | 8.7 | 40,444 | 24.2 | 6.2 |
| | Greens | Martin Kesztyüs | Martin Kesztyüs | 16,958 | 10.2 | 5.8 | 19,149 | 11.4 | 6.2 |
| | AfD | Robert Hennig | Robert Hennig | 15,562 | 9.3 | 1.1 | 15,497 | 9.3 | 2.0 |
| | FDP | Lucas Slunjski | Lucas Slunjski | 12,058 | 7.2 | 1.3 | 16,764 | 10.0 | 0.4 |
| | Left | Rebekka Kämpfe | Rebekka Kämpfe | 6,285 | 3.8 | 2.1 | 5,694 | 3.4 | 3.6 |
| | Tierschutzpartei | | | | | | 2,680 | 1.6 | 0.8 |
| | PARTEI | | | | | | 1,574 | 0.9 | 0.3 |
| | Team Todenhöfer | | | | | | 1,406 | 0.8 | |
| | FW | Folke Hellmig | Folke Hellmig | 2,610 | 1.6 | 0.8 | 1,242 | 0.7 | 0.4 |
| | dieBasis | Dominik Pfau | Dominik Pfau | 1,539 | 0.9 | | 1,164 | 0.7 | |
| | Pirates | | | | | | 640 | 0.4 | 0.2 |
| | Volt | | | | | | 372 | 0.2 | |
| | LIEBE | | | | | | 267 | 0.2 | |
| | Gesundheitsforschung | | | | | | 264 | 0.2 | 0.0 |
| | NPD | | | | | | 238 | 0.1 | 0.2 |
| | LfK | | | | | | 159 | 0.1 | |
| | Humanists | | | | | | 113 | 0.1 | 0.0 |
| | Bündnis C | | | | | | 110 | 0.1 | |
| | ÖDP | | | | | | 99 | 0.1 | 0.0 |
| | V-Partei3 | | | | | | 82 | 0.0 | 0.0 |
| | du. | | | | | | 81 | 0.0 | |
| | PdF | | | | | | 58 | 0.0 | |
| | LKR | | | | | | 38 | 0.0 | |
| | DKP | | | | | | 31 | 0.0 | 0.0 |
| | MLPD | | | | | | 23 | 0.0 | 0.1 |
| | SGP | | | | | | 12 | 0.0 | 0.0 |
| Informal votes | Informal votes | Informal votes | Informal votes | 1,708 | | | 1,332 | | |
| Total valid votes | Total valid votes | Total valid votes | Total valid votes | 167,052 | | | 167,428 | | |
| Turnout | Turnout | Turnout | Turnout | 168,760 | 73.0 | 0.1 | | | |
| | SPD hold | SPD hold | Majority | 23,508 | 14.1 | 12.9 | | | |

### 2017 election

Federal election (2017): Hamm – Unna II :
| Notes: | Notes: | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. |
| Party | Party | Candidate | Candidate | Votes | % | ±% | Party votes | % | ±% |
| | SPD | Y Michael Thews | Y Michael Thews | 61,717 | 36.4 | 6.8 | 53,467 | 31.5 | 7.0 |
| | CDU | Sylvia Jörrißen | Sylvia Jörrißen | 59,700 | 35.2 | 4.1 | 51,475 | 30.3 | 6.5 |
| | AfD | Pierre Jung | Pierre Jung | 17,713 | 10.4 | | 19,068 | 11.2 | 7.9 |
| | FDP | Beate Oertel | Beate Oertel | 9,970 | 5.9 | 3.8 | 17,678 | 10.4 | 6.7 |
| | Left | Sven Kleinemeier | Sven Kleinemeier | 9,949 | 5.9 | 0.2 | 11,837 | 7.0 | 0.7 |
| | Greens | Eckhard Kneisel | Eckhard Kneisel | 7,409 | 4.4 | 0.6 | 8,938 | 5.3 | 0.8 |
| | AD-DEMOKRATEN | | | | | | 1,384 | 0.8 | |
| | Tierschutzpartei | | | | | | 1,336 | 0.8 | |
| | PARTEI | | | | | | 1,170 | 0.7 | 0.4 |
| | Pirates | Martin Kesztyüs | Martin Kesztyüs | 1,871 | 1.1 | 1.3 | 944 | 0.6 | 1.5 |
| | FW | Helmut Stalz | Helmut Stalz | 1,239 | 0.8 | 0.1 | 605 | 0.4 | 0.1 |
| | NPD | | | | | | 547 | 0.3 | 0.9 |
| | Gesundheitsforschung | | | | | | 194 | 0.1 | |
| | Volksabstimmung | | | | | | 173 | 0.1 | 0.1 |
| | V-Partei³ | | | | | | 153 | 0.1 | |
| | DM | | | | | | 144 | 0.1 | |
| | DiB | | | | | | 141 | 0.1 | |
| | BGE | | | | | | 134 | 0.1 | |
| | ÖDP | | | | | | 110 | 0.1 | 0.0 |
| | MLPD | | | | | | 110 | 0.1 | 0.0 |
| | Die Humanisten | | | | | | 72 | 0.0 | |
| | DKP | | | | | | 38 | 0.0 | |
| | SGP | | | | | | 17 | 0.0 | 0.0 |
| Informal votes | Informal votes | Informal votes | Informal votes | 1,956 | | | 1,789 | | |
| Total valid votes | Total valid votes | Total valid votes | Total valid votes | 169,568 | | | 169,735 | | |
| Turnout | Turnout | Turnout | Turnout | 171,524 | 72.9 | 2.6 | | | |
| | SPD hold | SPD hold | Majority | 2,017 | 1.2 | 2.7 | | | |

### 2013 election

Federal election (2013): Hamm – Unna II :
| Notes: | Notes: | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. |
| Party | Party | Candidate | Candidate | Votes | % | ±% | Party votes | % | ±% |
| | SPD | Michael Thews | Michael Thews | 71,174 | 43.2 | 0.7 | 63,646 | 38.5 | 5.1 |
| | CDU | Sylvia Jörrißen | Sylvia Jörrißen | 64,871 | 39.3 | 6.6 | 60,984 | 36.9 | 5.1 |
| | Left | Udo Gabriel | Udo Gabriel | 9,277 | 5.6 | 1.4 | 10,399 | 6.3 | 3.3 |
| | Greens | Marie Dazert | Marie Dazert | 8,250 | 5.0 | 0.4 | 9,990 | 6.0 | 1.7 |
| | AfD | | | | | | 5,523 | 3.3 | |
| | Pirates | Martin Böckel | Martin Böckel | 3,930 | 2.4 | | 3,465 | 2.1 | 0.3 |
| | FDP | Christoph Dammermann | Christoph Dammermann | 3,439 | 2.1 | 7.0 | 6,153 | 3.7 | 8.4 |
| | NPD | Hans-Jochen Voß | Hans-Jochen Voß | 2,913 | 1.8 | 0.0 | 2,064 | 1.2 | 0.0 |
| | FW | | | 1,058 | 0.6 | | 683 | 0.4 | |
| | PARTEI | | | | | | 555 | 0.3 | |
| | PRO | | | | | | 457 | 0.3 | |
| | Volksabstimmung | | | | | | 298 | 0.2 | 0.1 |
| | REP | | | | | | 281 | 0.2 | 0.2 |
| | BIG | | | | | | 236 | 0.1 | |
| | Nichtwahler | | | | | | 129 | 0.1 | |
| | ÖDP | | | | | | 123 | 0.1 | 0.0 |
| | Party of Reason | | | | | | 118 | 0.1 | |
| | Die Rechte | | | | | | 92 | 0.1 | |
| | RRP | | | | | | 76 | 0.0 | 0.1 |
| | MLPD | | | | | | 66 | 0.0 | 0.0 |
| | PSG | | | | | | 33 | 0.0 | 0.0 |
| | BüSo | | | | | | 21 | 0.0 | 0.0 |
| Informal votes | Informal votes | Informal votes | Informal votes | 2,426 | | | 1,946 | | |
| Total valid votes | Total valid votes | Total valid votes | Total valid votes | 164,912 | | | 165,392 | | |
| Turnout | Turnout | Turnout | Turnout | 167,338 | 70.3 | 0.5 | | | |
| | SPD hold | SPD hold | Majority | 6,303 | 3.9 | 7.2 | | | |

### 2009 election

Federal election (2009): Hamm – Unna II :
| Notes: | Notes: | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. | Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively. |
| Party | Party | Candidate | Candidate | Votes | % | ±% | Party votes | % | ±% |
| | SPD | Y Dieter Wiefelspütz | Y Dieter Wiefelspütz | 72,446 | 43.9 | 11.1 | 55,249 | 33.4 | 14.5 |
| | CDU | Laurenz Meyer | Laurenz Meyer | 54,088 | 32.8 | 0.0 | 52,623 | 31.8 | 0.8 |
| | FDP | Jörg van Essen | Jörg van Essen | 14,952 | 9.1 | 4.6 | 19,998 | 12.1 | 4.6 |
| | Left | Alisan Sengül | Alisan Sengül | 11,638 | 7.0 | 2.8 | 15,917 | 9.6 | 4.2 |
| | Greens | Adrian Mork | Adrian Mork | 8,993 | 5.4 | 3.1 | 12,798 | 7.7 | 2.3 |
| | Pirates | | | | | | 2,889 | 1.7 | |
| | NPD | Hans-Joachim Voß | Hans-Joachim Voß | 2,981 | 1.8 | 0.7 | 2,113 | 1.3 | 0.3 |
| | Tierschutzpartei | | | | | | 1,049 | 0.6 | 0.2 |
| | FAMILIE | | | | | | 810 | 0.5 | 0.1 |
| | RENTNER | | | | | | 675 | 0.4 | |
| | REP | | | | | | 536 | 0.3 | 0.1 |
| | RRP | | | | | | 241 | 0.1 | |
| | DVU | | | | | | 206 | 0.1 | |
| | Volksabstimmung | | | | | | 120 | 0.1 | 0.0 |
| | ÖDP | | | | | | 88 | 0.1 | |
| | Centre | | | | | | 66 | 0.0 | 0.0 |
| | MLPD | | | | | | 60 | 0.0 | 0.0 |
| | BüSo | | | | | | 26 | 0.0 | 0.0 |
| | PSG | | | | | | 26 | 0.0 | 0.1 |
| Informal votes | Informal votes | Informal votes | Informal votes | 2,324 | | | 1,932 | | |
| Total valid votes | Total valid votes | Total valid votes | Total valid votes | 165,098 | | | 165,490 | | |
| Turnout | Turnout | Turnout | Turnout | 167,422 | 69.8 | 7.0 | | | |
| | SPD hold | SPD hold | Majority | 18,358 | 11.1 | 11.1 | | | |