- Inception
- 27 January 1957
- dissolved, abolished or demolished date
- 27 January 1991
- member count
- 308, 858, 1986, 2497, 2561, 2852, 3624, 3786, 3779, 3888, 4857, 4849
- native label
- Pacifistisch Socialistische Partij
- number of seats in assembly
- 2, 4, 4, 4, 2, 2, 1, 3, 3, 1
- short name
- PSP
- sRGB color hex triplet
- FF3366