Valid ISO 3166-1 alpha-2 codes and country flags from 1975 to 1987 on the day of the Eurovision Song Contest final each year. Italicized countries and territories had changed name or ceased to exist by a given date, but the ISO code was not obsolete or the ISO country name was not changed yet.
22 March 1975 edit
Bolded countries competed in the Eurovision Song Contest 1975 in Stockholm, Sweden.
3 April 1976 edit
Bolded countries competed in the Eurovision Song Contest 1976 in The Hague, Netherlands.
7 May 1977 edit
Bolded countries competed in the Eurovision Song Contest 1977 in London, United Kingdom.
22 April 1978 edit
Bolded countries competed in the Eurovision Song Contest 1978 in Paris, France.
31 March 1979 edit
Bolded countries competed in the Eurovision Song Contest 1979 in Jerusalem, Israel.
19 April 1980 edit
Bolded countries competed in the Eurovision Song Contest 1980 in The Hague, Netherlands.
4 April 1981 edit
Bolded countries competed in the Eurovision Song Contest 1981 in Dublin, Ireland.
24 April 1982 edit
Bolded countries competed in the Eurovision Song Contest 1982 in Harrogate, United Kingdom.
23 April 1983 edit
Bolded countries competed in the Eurovision Song Contest 1983 in Munich, West Germany.
5 May 1984 edit
Bolded countries competed in the Eurovision Song Contest 1984 in Luxembourg City, Luxembourg.
4 May 1985 edit
Bolded countries competed in the Eurovision Song Contest 1985 in Gothenburg, Sweden.
3 May 1986 edit
Bolded countries competed in the Eurovision Song Contest 1986 in Bergen, Norway.
9 May 1987 edit
Bolded countries competed in the Eurovision Song Contest 1987 in Brussels, Belgium.
