Table 1: Countries, period covered and levels of aggregation: summarised information

Countries

Period covered

Units

N

Austria

1873-1911 (Cisleithania)

Länder Wahlkreise/Länder

17 (5 curiae till 1900/1)

 

1919-present (Republics)

 

25, 9 since 1970

Belgium

1848-present

Arrondissements

41, 30 since 1900

Denmark

1848-1915

Valkreds/Amtkreds

106-114

 

1918-present

Amtkreds

20, 17 (1966)

Finland

1907-present

Vaalipiirit

12-18

France

1815-present

Départements

90-95 (Métropole only)

Germany

1871-1912

Wahlkreise/Staaten

397 (26)

 

1919-1933

Wahlkreise

35-36

 

1949-present

Wahlkreise/Länder

247 (328 since 1990)

Greece

1926-present

Electoral districts

43 (PR) 98 (plurality)

Iceland

1874-present

Kjördæmi

21-32, 8 since 1959

Ireland

(1832-1918 see UK)
1922-present (Rep.)

Dáil constituencies

28-34 (1922-44)
41-42 (1948-92)

Italy

1848-1913

Constituencies

222-508 (since 1892)

 

1919-present

Provinces

App. 90

   

Constituencies

475 since1994

Luxembourg

1919-present

Constituencies

4

Netherlands

1881-1917

Districts

100

 

1919-present

Provinces

11

Norway

1882-present

Fylker

20 (1921-1942: 29)

Spain

1854-present

Circunscripciones (Provincias)

50-53

Sweden

1911-present

Valkretsar

56, 28 since 1921

Switzerland

1848-present

Cantons

25, 26 since 1979

United Kingdom

1832-1918 (United Kingdom of Great Britain and Ireland)

Parliamentary constituencies

1832-80: 381 (+66)
1885-18: 542 (+101)
1918: 623 (+105)

 

1919-present (United Kingdom of Great Britain and Northern Ireland)

Parliamentary constituencies

1918-45: 623
1950-90: 665

Note: For the United Kingdom the number of Irish constituencies is represented in paren theses.