In the 2015 general election, Lowassa obtained 6 million votes, around 40 percent, against CCMs Magufuli, who got 8.8 million votes or nearly 60 percent.
Katika uchaguzi mkuu huo wa mwaka 2015, Lowassa alipata kura milioni sita sawa  na asilimia 40, dhidi ya kura milioni 8.8 za Magufuli wa CCM ambazo zilikuwa sawa na asilimia 60.