Grassroots Democratic Movement
Grassroots Democratic Movement (GDM) jam'iyyar siyasa ce a Najeriya wadda ta kasance daya daga cikin jam'iyyun siyasa biyar da gwamnatin Janar Sani Abacha ta amince da su shiga zaben 'yan majalisar jiha da aka gudanar a watan Disambar 1997,da kuma zaben 'yan majalisar dokoki da aka gudanar a watan Afrilun 1998..Sauran jam’iyyun da aka amince sun hada da United Nigeria Congress Party,Congress for National Consensus (CNC),Democratic Party of Nigeria (DPN) da National Center Party of Nigeria (NCPN).

Jam'iyyar Grassroots Democratic Movement karkashin jagorancin Alhaji Muhammadu Dikko Yusufu tana da bangaren hagu. A cikin watan Afrilun 1998,GDM ita ce kawai jam'iyyar da ke tunanin wasu 'yan takarar shugaban kasa a maimakon Sani Abacha. Dokta Tunji Braithwaite,lauya wanda aka kira zuwa mashaya a 1961 kuma ya kafa Nigeria Advanced Party a 1983,ya yi fatan zama dan takarar shugaban kasa na Grassroots Democratic Movement a 1999. A watan Mayun 1998,Muhammadu Dikko Yusufu,tsohon shugaban 'yan sandan Najeriya,ya kai karar jam'iyyar GDM kan zaben Abacha a matsayin dan takararta na shugaban kasa.Ya yi kira ga Abacha da ya yi murabus.

A lokacin da Janar Abdulsalami Abubakar ya gaji Sani Abacha bayan rasuwar marigayin a watan Yunin 1998,  ya rusa jam’iyyu biyar kuma ya bayyana cewa za a gudanar da zaben dimokuradiyya a cikin kwata na farko na 1999.Ya ba da shawarar kafa jam'iyyun siyasa kyauta,hukumar shari'a mai zaman kanta,masu sa ido kan zabe na kasa da kasa.