Benazir Bhutto a bisani ta kasance mai taka rawar gani cikin jami'iyyar (PPP), wato jamaiyyar mahaifinta. Kodayake ba ta iya zama cikin ƙasar Pakistan ba, to amma tana bada gudummawa gaya ga jama'iyyar ta( PPP) kafin kuma a bisani ta zama shuagabar jamia'iyyar, in da ta gaji mahaifinta, lokacin da ta koma gida Pakistan bayan mutuwar shugaba Janar Muhammad Zia-ul-Haq. Wannan ne ma ya baiwa jama'iyyar Bhutto ta “Pakistan People Party”, damar lashe zaɓen majalisar dokokin ƙasar da aka yi a ranar 16 ga watan Nuwambar 1988, sa'annan kuma aka rantsar da ita a muƙamin Firaminista a gwamnatin haɗin gambiza a ranar 2, ga watan Disambar 1988. Wannan ne ma ya sa Bhutto ta shiga tarihin ƙasar a matsayin mace ta farko kuma mafi ƙarancin shekaru da ta hau muƙamin Firaminista a Pakistan, don kuwa duka-duka shekarunta 35 ne da haihuwa a lokacin.