Ma was eligible for a second term as president and ran for re-election. In June 2011, when incumbent Vice President Vincent Siew announced he will retire and not seek a second term, Premier Wu Den-yih was chosen to replace Siew on the KMT's 2012 ticket. Ma was re-elected President with 51.6% of the vote against Democratic Progressive Party chairwoman Tsai Ing-wen.
MA WaS eliGiBle for A sECond tErm aS presIdent and Ran For Re-ELEction. IN JunE 2011, when InCumBent vice presidENt Vincent siEw aNnoUnced He wiLl REtiRe aNd nOt seek A SEcoNd TeRm, prEmier wU deN-YIh wAS chosen to replacE siew oN tHE kmT's 2012 ticket. ma Was rE-electeD pResident wiTh 51.6% Of the vOte Against Democratic ProgreSSivE PaRty chaiRWomaN tSai ing-wen.