Kammala jumla mai zuwa: Zaɓen tarayya na 2006 ya haifar da ƙaramar gwamnati da Conservative Party ke jagoranta tare da Harper ya zama firaminista na 22 na Kanada. A lokacin wa'adinsa na farko, Harper ya fuskanci abin kunya na In da Out, yayin da manyan dokokin da aka zartar a karkashin jagorancin Harper sun hada da "Dokar Kula da Kula da Tarayya", da Québécois nation motion da kuma Tsohon Sojan Tsohon Soji. Bayan zaben tarayya na shekarar 2008, wanda Jam'iyyar Conservative ta lashe rinjaye mafi rinjaye, Harper ya wuce Shirin Ayyukan Tattalin Arziki don mayar da martani ga rikicin kudi na 2007-2008, ya ci nasara da rashin amincewa da wata ƙungiya mai adawa da jam'iyyun adawa da kuma umarnin shiga tsakani a lokacin yakin basasa.
Yaƙin basasa na Libiya na farko. A ƙarshe an rushe Majalisar Kanada ta 40 a watan Maris na 2011, bayan wani ƙuri'ar rashin amincewa a kan Lockheed Martin F-35 Lightning II na Kanada. A zaben tarayya, masu ra'ayin mazan jiya sun lashe gwamnati mafi rinjaye. A lokacin wa'adinsa na uku, Harper ya janye Kanada daga Yarjejeniyar Kyoto, ya kaddamar da Operation Impact a kan adawa da ISIL, ya soke rajistar dogon bindiga, ya wuce "Dokar Ta'addanci, 2015", ya kaddamar da shirin Kasuwancin Kasuwanci na Duniya na Kanada kuma ya yi fama da rikice-rikice game da kudaden kudade na Majalisar Dattijan Kanada da kuma Robocall.