Unna I is an electoral constituency (

German German(s) may refer to: * Germany, the country of the Germans and German things **Germania (Roman era) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizenship in Germany, see also Ge ...

: ''Wahlkreis'') represented in the

Bundestag The Bundestag (, "Federal Diet (assembly), Diet") is the lower house of the Germany, German Federalism in Germany, federal parliament. It is the only constitutional body of the federation directly elected by the German people. The Bundestag wa ...

. It elects one member via

first-past-the-post voting First-past-the-post (FPTP)—also called choose-one, first-preference plurality (FPP), or simply plurality—is a single-winner voting rule. Voters mark one candidate as their favorite, or first-preference, and the candidate with more first- ...

. Under the current constituency numbering system, it is designated as constituency 143. It is located in the

Ruhr The Ruhr ( ; , also ''Ruhrpott'' ), also referred to as the Ruhr Area, sometimes Ruhr District, Ruhr Region, or Ruhr Valley, is a polycentric urban area in North Rhine-Westphalia, Germany. With a population density of 1,160/km2 and a populati ...

region of

North Rhine-Westphalia North Rhine-Westphalia or North-Rhine/Westphalia, commonly shortened to NRW, is a States of Germany, state () in Old states of Germany, Western Germany. With more than 18 million inhabitants, it is the List of German states by population, most ...

, comprising the southern part of the district of

Unna Unna () is a city of around 59,000 people in North Rhine-Westphalia, Germany, the seat of the Unna (district), Unna district. The newly refurbished Unna station has trains to all major cities in North Rhine Westphalia including Dortmund, Köln H ...

. Unna I was created for the 1965 federal election. Since 2009, it has been represented by

Oliver Kaczmarek Oliver Kaczmarek (born 8 August 1970) is a German politician of the Social Democratic Party (SPD) who has been serving as a member of the Bundestag from the state of North Rhine-Westphalia since 2009. Political career Kaczmarek first became a ...

of the

Social Democratic Party The name Social Democratic Party or Social Democrats has been used by many political parties in various countries around the world. Such parties are most commonly aligned to social democracy as their political ideology. Active parties Form ...

(SPD).

Geography

Unna I is located in the Ruhr region of

. As of the 2021 federal election, it comprises the municipalities of

Bergkamen Bergkamen (; Westphalian: ''Biärgkoamen'') is a town in the district of Unna, in North Rhine-Westphalia, Germany. It is situated south of the river Lippe, approx. north-east of Dortmund and south-west of Hamm. Bergkamen, a fairly new town i ...

Bönen Bönen () is a municipality in the district of Unna, in North Rhine-Westphalia, Germany. It is situated between Hamm in the north-east, Kamen in the west and Unna Unna () is a city of around 59,000 people in North Rhine-Westphalia, Germany, t ...

Fröndenberg Fröndenberg (; Westphalian: ''Frönnenbiärg'') is a town in the district of Unna, in North Rhine-Westphalia, Germany. Geography Fröndenberg is situated in the Ruhr valley, approx. 10 km south-east of the district capital Unna, near th ...

Holzwickede Holzwickede () is a municipality in the district of Unna (district), Unna in North Rhine-Westphalia, Germany. It is twinned with Weymouth, England, Weymouth, Louviers and Colditz. Mayors *1969–1975: Josef Wortmann *1975–1989: Heinrich Sch� ...

Kamen Kamen () is a town in North Rhine-Westphalia, Germany, in the district Unna. Geography Kamen is situated at the east end of the Ruhr area, approximately 10 km south-west of Hamm and 25 km north-east of Dortmund. Neighbouring citie ...

Schwerte Schwerte (; Westphalian: ''Schweierte'') is a town in the district of Unna, in North Rhine-Westphalia, Germany. Geography Schwerte is situated in the Ruhr valley, at the south-east border of the Ruhr Area. South of Schwerte begins the mountain ...

, and

from the Unna district.

History

Unna I was created in 1965, then known as ''Unna''. It acquired its current name in the 1980 election. In the 1965 through 1976 elections, it was constituency 123 in the numbering system. From 1980 through 1998, it was number 116. From 2002 through 2009, it was number 145. In the 2013 through 2021 elections, it was number 144. From the 2025 election, it has been number 143. Originally, the constituency was coterminous with the Unna district. It acquired its current borders in the 1980 election.

Members

The constituency has been held continuously by the Social Democratic Party (SPD) since its creation. It was first represented by Manfred Schulte from 1965 to 1987. Ulrich Böhme was representative from 1987 to 1998, followed by

Rolf Stöckel Rolf is a male given name and a surname. It originates in the Germanic name ''Hrolf'', itself a contraction of ''Hrodwulf'' ( Rudolf), a conjunction of the stem words ''hrod'' ("renown") + ''wulf'' ("wolf"). The Old Norse cognate is ''Hrólfr''. ...

until 2009. Oliver Kaczmarek was elected in 2009, and re-elected in 2013, 2017, 2021 and 2025.

Election results

2025 election

2021 election

2017 election

2013 election

2009 election

Notes

References

{{DEFAULTSORT:Unna I Federal electoral districts in North Rhine-Westphalia 1965 establishments in West Germany Constituencies established in 1965 Unna (district)