Elections of the Dutch Senate were held on 26 May 2003, following the provincial elections on 11 March 2003. The 564 members of the twelve States-Provincial elected the 75 Senate members. The new Senate was installed on 10 June 2003. The term of office ended on 11 June 2007.
| Province | States members | Population | Vote weight |
|---|
| South Holland | 83 | 3,439,913 | 414 |
| North Holland | 83 | 2,572,809 | 310 |
| North Brabant | 79 | 2,400,164 | 304 |
| Gelderland | 75 | 1,960,384 | 261 |
| Utrecht | 63 | 1,152,357 | 183 |
| Limburg | 63 | 1,142.009 | 181 |
| Overijssel | 63 | 1,100,728 | 175 |
| Friesland | 55 | 640,060 | 116 |
| Groningen | 55 | 573,225 | 104 |
| Drenthe | 51 | 481,472 | 94 |
| Zeeland | 47 | 378,163 | 80 |
| Flevoland | 47 | 351,558 | 75 |
Election results
| Party |
1999 |
2003 |
Difference |
|---|
| Votes |
% |
Seats |
Votes |
% |
Seats |
ppt. |
Seats |
| Christian Democratic Appeal |
40,541 |
25.7 |
20 |
46,848 |
29.0 |
23 |
3.3 |
3 |
| Labour Party |
30,976 |
19.7 |
15 |
40,613 |
25.1 |
19 |
5.4 |
4 |
| People's Party for Freedom and Democracy |
39,809 |
25.3 |
19 |
31,026 |
19.2 |
15 |
-6.1 |
-4 |
| GroenLinks |
16,256 |
10.3 |
8 |
10,866 |
6.7 |
5 |
-3.6 |
-3 |
| Socialist Party |
4,801 |
3.0 |
2 |
8,551 |
5.3 |
4 |
2.3 |
2 |
| Democrats 66 |
8,542 |
5.4 |
4 |
7,087 |
4.4 |
3 |
-1.0 |
-1 |
| Christian Union |
7,307 |
4.6 |
4 |
4,960 |
3.1 |
2 |
-1.5 |
-2 |
| Reformed Political Party |
4,281 |
2.7 |
2 |
4,695 |
2.9 |
2 |
0.2 |
0 |
| Pim Fortuyn List |
- |
- |
- |
4,124 |
2.6 |
1 |
2.6 |
1 |
| Independent Senate Group |
3,880 |
2.5 |
1 |
2,874 |
1.8 |
1 |
-0.7 |
0 |
| Others |
1,160 |
0.7 |
0 |
0 |
0.0 |
0 |
-0.7 |
0 |
| Total |
157,553 |
100.0 |
75 |
161,644 |
100.0 |
75 |
0.0 |
0 |
