| Similarity | Rank | |
|---|---|---|
| BPP | 0.713 | 87174 |
| DUP | 0.698 | 81660 |
| SDP | 0.698 | 68199 |
| CPP | 0.682 | 46385 |
| PLP | 0.681 | 86718 |
| SWP | 0.679 | 56094 |
| COPE | 0.674 | 88880 |
| ALP | 0.670 | 40927 |
| Unionist | 0.669 | 80788 |
| UDC | 0.668 | 98895 |
| LRC | 0.667 | 68219 |
| DSA | 0.659 | 52134 |
| RCP | 0.655 | 68237 |
| RPA | 0.653 | 80376 |
| LDA | 0.652 | 83243 |
| CPF | 0.645 | 75744 |
| PDS | 0.642 | 60769 |
| Labour | 0.641 | 7703 |
| NCP | 0.641 | 57573 |
| Socialist | 0.635 | 18694 |
| SNP | 0.634 | 33417 |
| CTC | 0.634 | 48334 |
| RSC | 0.628 | 65259 |
| NLA | 0.628 | 91356 |
| SSP | 0.627 | 43221 |