The provincial capital of Punjab voted for the Pakistan Muslim League Nawaz (PML-N) again in Pakistan by-election 2018.
Lahore voted for PML-N in Pakistan by-election 2018 against the Pakistan Tehreek e Insaf (PTI).
PML-N won the NA-124 and NA-131 from Lahore. Former PM Shahid Khaqan Abbasi retained NA-124 Lahore that is previously won by Hamza Shahbaz.
In NA-131, Khawaja Saad Rafique of PML-N snatched the seat previously won by PM Imran Khan. However, he defeated the PTI candidate Humayun Akhtar.
In Pakistan by-election 2018, PML-N also won the Punjab Assembly seats from Lahore. Sohail Shaukat Butt from PML-N came as a winner in PP-164 by securing 34,333 votes. However, Yousuf Ali from PTI got 26,900 votes.
In PP-165 Lahore, Malik Saiful Malook Khokhar from PML-N secured 28,589 votes. On the other side, Mohammad Mansha Sindhu from PTI got 23,149 votes.
Party Position
| Party | National Assembly | Punjab | KP | Sindh | Balochistan |
| PTI | 155 (+4) | 180 (+4) | 89 (+5) | 29 (0) | 7 (0) |
| PML-N | 85 (+4) | 168 (+6) | 7 (+1) | 0 | 1 (0) |
| PPPP | 54 (0) | 7 (0) | 5 (0) | 99 (+2) | 0 |
| MMA | 16 (+1) | 0 | 13 (0) | 1 (0) | 10 (0) |
| MQM-P | 7 (0) | 0 | 0 | 21 (0) | 0 |
| BAP | 5 (0) | 0 | 0 | 0 | 24 (0) |
| GDA | 3 (0) | 0 | 0 | 14 (0) | 0 |
| PML-Q | 5 (+2) | 10 (0) | 1 (0) | 0 | 0 |
| BNP-M | 4 (0) | 0 | 0 | 0 | 10 (+1) |
| ANP | 1 (0) | 0 | 12 (+3) | 0 | 0 |
| AML | 1 (0) | 0 | 0 | 0 | 0 |
. PML-N won NA-124, NA-131, PP-164, PP-165 from Lahore.){kind=link}