| Year |
HoR |
S |
EP |
SP |
Fractievoorzitter |
Party Chair |
membership |
| 1919 |
0 |
0 |
n/a |
3 |
none |
Gerrit Kersten |
unknown |
| 1920 |
0 |
0 |
n/a |
3 |
none |
Gerrit Kersten |
unknown |
| 1921 |
0 |
0 |
n/a |
3 |
none |
Gerrit Kersten |
unknown |
| 1922 |
1 |
0 |
n/a |
3 |
Gerrit Kersten |
Gerrit Kersten |
unknown |
| 1923 |
1 |
0 |
n/a |
8 |
Gerrit Kersten |
Gerrit Kersten |
unknown |
| 1924 |
1 |
0 |
n/a |
8 |
Gerrit Kersten |
Gerrit Kersten |
unknown |
| 1925 |
2 |
0 |
n/a |
8 |
Gerrit Kersten |
Gerrit Kersten |
unknown |
| 1926 |
2 |
0 |
n/a |
8 |
Gerrit Kersten |
Gerrit Kersten |
unknown |
| 1927 |
2 |
0 |
n/a |
11 |
Gerrit Kersten |
Gerrit Kersten |
unknown |
| 1928 |
2 |
0 |
n/a |
11 |
Gerrit Kersten |
Gerrit Kersten |
unknown |
| 1929 |
3 |
0 |
n/a |
11 |
Gerrit Kersten |
Gerrit Kersten |
unknown |
| 1930 |
3 |
0 |
n/a |
11 |
Gerrit Kersten |
Gerrit Kersten |
unknown |
| 1931 |
3 |
0 |
n/a |
12 |
Gerrit Kersten |
Gerrit Kersten |
unknown |
| 1932 |
3 |
0 |
n/a |
12 |
Gerrit Kersten |
Gerrit Kersten |
unknown |
| 1933 |
3 |
0 |
n/a |
12 |
Gerrit Kersten |
Gerrit Kersten |
unknown |
| 1934 |
3 |
0 |
n/a |
12 |
Gerrit Kersten |
Gerrit Kersten |
unknown |
| 1935 |
3 |
0 |
n/a |
13 |
Gerrit Kersten |
Gerrit Kersten |
unknown |
| 1936 |
3 |
0 |
n/a |
13 |
Gerrit Kersten |
Gerrit Kersten |
unknown |
| 1937 |
2 |
0 |
n/a |
13 |
Gerrit Kersten |
Gerrit Kersten |
unknown |
| 1938 |
2 |
0 |
n/a |
13 |
Gerrit Kersten |
Gerrit Kersten |
unknown |
| 1939 |
2 |
0 |
n/a |
10 |
Gerrit Kersten |
Gerrit Kersten |
unknown |
| 1940 |
German Occupation
|
| 1941 |
German Occupation
|
| 1942 |
German Occupation
|
| 1943 |
German Occupation
|
| 1944 |
German Occupation
|
| 1945 |
2 |
0 |
n/a |
13 |
Piet Zandt |
Gerrit Kersten |
10,000 |
| 1946 |
2 |
0 |
n/a |
10 |
Piet Zandt |
Piet Zandt |
10,100 |
| 1947 |
2 |
0 |
n/a |
10 |
Piet Zandt |
Piet Zandt |
10,200 |
| 1948 |
2 |
0 |
n/a |
10 |
Piet Zandt |
Piet Zandt |
10,300 |
| 1949 |
2 |
0 |
n/a |
10 |
Piet Zandt |
Piet Zandt |
10,400 |
| 1950 |
2 |
0 |
n/a |
11 |
Piet Zandt |
Piet Zandt |
10,600 |
| 1951 |
2 |
0 |
n/a |
11 |
Piet Zandt |
Piet Zandt |
10,700 |
| 1952 |
2 |
0 |
n/a |
11 |
Piet Zandt |
Piet Zandt |
10,750 |
| 1953 |
2 |
0 |
n/a |
11 |
Piet Zandt |
Piet Zandt |
10,800 |
| 1954 |
2 |
0 |
n/a |
11 |
Piet Zandt |
Piet Zandt |
10,800 |
| 1955 |
2 |
0 |
n/a |
11 |
Piet Zandt |
Piet Zandt |
10,850 |
| 1956 |
3 |
1 |
n/a |
11 |
Piet Zandt |
Piet Zandt |
10,900 |
| 1957 |
3 |
1 |
n/a |
11 |
Piet Zandt |
Piet Zandt |
11,000 |
| 1958 |
3 |
1 |
n/a |
11 |
Piet Zandt |
Piet Zandt |
11,500 |
| 1959 |
3 |
1 |
n/a |
11 |
Piet Zandt |
Piet Zandt |
12,000 |
| 1960 |
3 |
0 |
n/a |
11 |
Piet Zandt |
Piet Zandt |
12,300 |
| 1961 |
3 |
0 |
n/a |
11 |
Cornelis van Dis |
Hette Abma |
12,600 |
| 1962 |
3 |
0 |
n/a |
12 |
Cornelis van Dis |
Hette Abma |
13,000 |
| 1963 |
3 |
0 |
n/a |
12 |
Cornelis van Dis |
Hette Abma |
13,400 |
| 1964 |
3 |
0 |
n/a |
12 |
Cornelis van Dis |
Hette Abma |
13,700 |
| 1965 |
3 |
0 |
n/a |
12 |
Cornelis van Dis |
Hette Abma |
14,000 |
| 1966 |
3 |
0 |
n/a |
11 |
Cornelis van Dis |
Hette Abma |
14,300 |
| 1967 |
3 |
0 |
n/a |
11 |
Cornelis van Dis |
Hette Abma |
14,700 |
| 1968 |
3 |
0 |
n/a |
11 |
Cornelis van Dis |
Hette Abma |
15,000 |
| 1969 |
3 |
0 |
n/a |
11 |
Cornelis van Dis |
Hette Abma |
15,200 |
| 1970 |
3 |
0 |
n/a |
16 |
Cornelis van Dis |
Hette Abma |
15,400 |
| 1971 |
3 |
1 |
n/a |
16 |
Hette Abma |
Hette Abma |
15,700 |
| 1972 |
3 |
1 |
n/a |
16 |
Hette Abma |
Hette Abma |
16,000 |
| 1973 |
3 |
1 |
n/a |
16 |
Hette Abma |
Hette Abma |
16,700 |
| 1974 |
3 |
1 |
n/a |
15 |
Hette Abma |
Hette Abma |
17,000 |
| 1975 |
3 |
1 |
n/a |
15 |
Hette Abma |
Hette Abma |
17,500 |
| 1976 |
3 |
1 |
n/a |
15 |
Hette Abma |
Hette Abma |
18,200 |
| 1977 |
3 |
1 |
n/a |
15 |
Hette Abma |
Hette Abma |
18,700 |
| 1978 |
3 |
1 |
n/a |
13 |
Hette Abma |
Hette Abma |
19,500 |
| 1979 |
3 |
1 |
0 |
13 |
Hette Abma |
Hette Abma |
20,100 |
| 1980 |
3 |
1 |
0 |
13 |
Hette Abma |
Hette Abma |
20,300 |
| 1981 |
3 |
1 |
0 |
13 |
Henk van Rossum |
Hette Abma |
20,500 |
| 1982 |
3 |
1 |
0 |
15+3* |
Henk van Rossum |
Hette Abma |
20,800 |
| 1983 |
3 |
2 |
0 |
15+3* |
Henk van Rossum |
Hette Abma |
21,200 |
| 1984 |
3 |
2 |
1 |
15+3* |
Henk van Rossum |
Hette Abma |
21,400 |
| 1985 |
3 |
2 |
1 |
15+3* |
Henk van Rossum |
D. Slagboom |
21,500 |
| 1986 |
3 |
2 |
1 |
15+3* |
Bas van der Vlies |
D. Slagboom |
21,936 |
| 1987 |
3 |
1 |
1 |
15+3* |
Bas van der Vlies |
D. Slagboom |
22,235 |
| 1988 |
3 |
1 |
1 |
15+3* |
Bas van der Vlies |
D. Slagboom |
22,467 |
| 1989 |
3 |
1 |
1 |
15+3* |
Bas van der Vlies |
D. Slagboom |
23,000 |
| 1990 |
3 |
1 |
1 |
15+3* |
Bas van der Vlies |
D. Slagboom |
23,062 |
| 1991 |
3 |
2 |
1 |
17+5* |
Bas van der Vlies |
D. Slagboom |
23,158 |
| 1992 |
3 |
2 |
1 |
17+5* |
Bas van der Vlies |
W.Chr. Hovius |
23,665 |
| 1993 |
3 |
2 |
1 |
17+5* |
Bas van der Vlies |
W.Chr. Hovius |
23,700 |
| 1994 |
2 |
2 |
1 |
17+5* |
Bas van der Vlies |
D.J. Budding |
23,728 |
| 1995 |
2 |
2 |
1 |
19+4* |
Bas van der Vlies |
D.J. Budding |
23,600 |
| 1996 |
2 |
2 |
1 |
19+4* |
Bas van der Vlies |
D.J. Budding |
23,865 |
| 1997 |
2 |
2 |
1 |
19+4* |
Bas van der Vlies |
D.J. Budding |
23,800 |
| 1998 |
3 |
2 |
1 |
19+4* |
Bas van der Vlies |
D.J. Budding |
23,800 |
| 1999 |
3 |
2 |
1 |
22+6* |
Bas van der Vlies |
D.J. Budding |
23,860 |
| 2000 |
3 |
2 |
1 |
22+6* |
Bas van der Vlies |
D.J. Budding |
25,045 |
| 2002 |
2 |
2 |
1 |
22+6* |
Bas van der Vlies |
D.J. Budding |
25,630 |
| 2003 |
2 |
2 |
1 |
19+5* |
Bas van der Vlies |
D.J. Budding |
25,850 |
| 2004 |
2 |
2 |
1 |
19+5* |
Bas van der Vlies |
Adri van Heteren |
25,700 |
| 2005 |
2 |
2 |
1 |
19+5* |
Bas van der Vlies |
Adri van Heteren |
25,900 |
| 2006 |
2 |
2 |
1 |
19+5* |
Bas van der Vlies |
Adri van Heteren |
26,400 |
| 2007 |
2 |
2 |
1 |
14+3* |
Bas van der Vlies |
Adri van Heteren |
26,400 |
| 2010 |
2 |
2 |
1 |
14+3* |
Kees van der Staaij |
Adri van Heteren |
27,196 |
| 2011 |
2 |
1 |
1 |
14+3* |
Kees van der Staaij |
Adri van Heteren |
? |
| 2012 |
3 |
1 |
1 |
12 |
Kees van der Staaij |
Adri van Heteren |
28,983 |
|