Data
Overview of electoral systems used European countries
From this page, you can download country summaries. These files give you the details of the electoral systems used in the country since the first democratic elections. The details included are the electoral formula for the allocation of seats between lists, districts and district magnitude, assembly size, ballot structure (nature of the vote that can be cast) and the method for the allocation of seats within parties.
In addition, you can access the full dataset of electoral systems in Europe since 1945 via our publications page.
In addition, you can access the full dataset of electoral systems in Europe since 1945 via our publications page.

Austria :since 1945

Belgium :since 1946

Bulgaria :since 1990

Croatia :since 2000 (tbc)

Cyprus: :since 1970

Czechoslovakia from 1990;
the Czech National Council from 1990 
Denmark :since 1945

Estonia :Since 1990
(i.e., starting with the Supreme Soviet elections) 
Finland :since 1945

France :since 1945

Germany :since 1949

Greece :since 1974

Hungary :since 1990

Iceland :since 1946

Ireland :since 1948

Italy :since 1946

Latvia :since 1990
(i.e., starting with the Supreme Soviet elections) 
since 1990
(i.e., starting with the Supreme Soviet elections) 
since 1945

Malta :since 1966 (i.e., independence)

since 1946

Poland :since 1991

Portugal :since 1975

Romania :since 1990

Slovakia :since 1990 (i.e., including the Slovak National
Council elections held within Czechoslovakia) 
Slovenia :since 1990

Spain :since 1977

since 1947

since 1945