Belgium - National Lower House Elections (1978)
| Party | Votes | Vote Percentage | Seats |
| P9-KPB/PCB | 27303 | 0.49% | 1 |
| P8-KPB | 56716 | 1.02% | 0 |
| P7-VLBLOK | 75635 | 1.37% | 1 |
| P70-PSB | 30222 | 0.55% | 1 |
| P6-VU | 388762 | 7.02% | 14 |
| P5-PVV | 573387 | 10.36% | 22 |
| P51-UDP | 1843 | 0.03% | 0 |
| P50-PLF | 2313 | 0.04% | 0 |
| P4-BSP/PSB | 30718 | 0.55% | 1 |
| P48-PPB | 2123 | 0.04% | 0 |
| P49-PFN | 729 | 0.01% | 0 |
| P47-LP/PL | 698 | 0.01% | 0 |
| P44-FDF | 235105 | 4.25% | 11 |
| P46-LSDP | 3678 | 0.07% | 0 |
| P43-PDB | 9032 | 0.16% | 0 |
| P42-PF/ECO | 1512 | 0.03% | 0 |
| P41-PDRT | 311 | 0.01% | 0 |
| P40-PDE | 375 | 0.01% | 0 |
| P3-BSP | 684976 | 12.37% | 26 |
| P38-LRT | 2597 | 0.05% | 0 |
| P37-PLW | 9861 | 0.18% | 0 |
| P36-PFU | 1686 | 0.03% | 0 |
| P34-BNP/PNB | 3465 | 0.06% | 0 |
| P33-PL | 41460 | 0.75% | 1 |
| P32-GROEN | 1761 | 0.03% | 0 |
| P31-TPO | 4258 | 0.08% | 0 |
| P30-RAD | 713 | 0.01% | 0 |
| P28-RAD/UDRT | 24926 | 0.45% | 1 |
| P27-UDRT | 22977 | 0.42% | 0 |
| P25-PRLW/PRF | 31280 | 0.57% | 2 |
| P26-RW | 158560 | 2.86% | 5 |
| P24-PRLW | 256685 | 4.64% | 11 |
| P23-PSB | 659158 | 11.91% | 30 |
| P22-PSC/CSP | 44230 | 0.80% | 2 |
| P21-PSC | 516210 | 9.33% | 23 |
| P20-PVCM | 993 | 0.02% | 0 |
| P1-CVP | 1447112 | 26.14% | 57 |
| P19-KAGNO | 1376 | 0.02% | 0 |
| P18-RAL | 6383 | 0.12% | 0 |
| P17-ECOPOL | 3922 | 0.07% | 0 |
| P13-ECOLO | 21224 | 0.38% | 0 |
| P16-ECOLOG | 8360 | 0.15% | 0 |
| P12-AGALEV | 5556 | 0.10% | 0 |
| P10-PCB | 96215 | 1.74% | 0 |
| P11-AMADA | 39225 | 0.71% | 0 |
| TOTAL | 5535631 | 209 |
See the Global Elections Database codebook for further information about the election results.